[{"data":1,"prerenderedAt":18052},["ShallowReactive",2],{"featuredArticleData":3,"allArticles":636,"allWhitePapers":12042,"allNews":14555},{"_path":4,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":8,"description":9,"publishedAt":10,"author":11,"tags":12,"image":20,"readingTime":21,"body":22,"_type":629,"_id":630,"_source":631,"_file":632,"_stem":633,"_extension":634,"sitemap":635},"/blog/from-data-to-profits-how-re-twin-energy-helps-you-maximize-battery-returns-with-ease","blog",false,"","From data to profits: How Re-Twin Energy helps you maximize battery returns with ease","How can project developers and asset owners value the revenue potential from BESS participation in power markets? Let’s explore how our platform enables users to optimize their projects and achieve the optimal returns through energy trading.","02-19-2025","Florian Heise",[13,14,15,16,17,18,19],"Battery Energy Storage","Digital Twin","Energy Trading","Renewable Energy","Power Markets","AI Optimization","BESS,Energy Management","/images/blog/from-data-to-profits-how-re-twin-energy-helps-you-maximize-battery-returns-with-ease/cover.webp",8,{"type":23,"children":24,"toc":617},"root",[25,33,38,45,52,57,93,105,111,123,129,269,275,285,291,296,350,355,361,366,371,377,382,434,473,492,504,527,538,551,569,575,580,585,595,599,605,609,613],{"type":26,"tag":27,"props":28,"children":32},"element","blog-cover-image",{":alt":29,":caption":30,":fit":31,":src":20},"Re-Twin Energy Graphic Logo","Empowering your battery revenue strategy with Re-Twin Energy","contain",[],{"type":26,"tag":34,"props":35,"children":37},"blog-header",{":author":11,":date":10,":reading-time":36,":title":8},"8",[],{"type":26,"tag":39,"props":40,"children":41},"p",{},[42],{"type":43,"value":44},"text","Battery Energy Storage Systems (BESS) are gaining significant attention as critical assets in the modern power markets. These systems offer flexibility, enabling them to both inject energy into the grid and withdraw energy when necessary. But how can project developers and asset owners value the revenue potential from BESS participation in power markets? Let’s explore how our platform enables users to optimize their projects and achieve the optimal returns through energy trading.",{"type":26,"tag":46,"props":47,"children":49},"h3",{"id":48},"what-does-it-mean-to-participate-in-power-markets-with-a-battery",[50],{"type":43,"value":51},"What Does it Mean to Participate in Power Markets with a Battery?",{"type":26,"tag":39,"props":53,"children":54},{},[55],{"type":43,"value":56},"Participating in the power markets with a BESS opens up various opportunities to generate revenue, but it requires understanding how the system works. To start, certain foundational elements are needed:",{"type":26,"tag":58,"props":59,"children":60},"ol",{},[61,73,83],{"type":26,"tag":62,"props":63,"children":64},"li",{},[65,71],{"type":26,"tag":66,"props":67,"children":68},"strong",{},[69],{"type":43,"value":70},"Grid connection and market participation approval",{"type":43,"value":72},": A BESS must be connected to the grid, which is often a time-consuming part for new BESS projects.",{"type":26,"tag":62,"props":74,"children":75},{},[76,81],{"type":26,"tag":66,"props":77,"children":78},{},[79],{"type":43,"value":80},"Battery Size",{"type":43,"value":82},": The size of the BESS plays a key role in market participation. To tap into attractive ancillary markets, a battery needs to have a minimum size of 1 MW. The BESS also needs to have certain minimum state of charge depending on the specific market. Smaller systems may still be able to participate in energy trading, but their access to certain market products is limited.",{"type":26,"tag":62,"props":84,"children":85},{},[86,91],{"type":26,"tag":66,"props":87,"children":88},{},[89],{"type":43,"value":90},"Operational Constraints",{"type":43,"value":92},": The way the battery is operated can significantly affect its revenue potential. The number of cycles allowed (each cycle represents a full charge and discharge) and the depth of discharge (how deeply the battery is emptied) both influence profitability. More aggressive operational settings lead to higher revenue opportunities but also a higher risk of battery degradation.",{"type":26,"tag":39,"props":94,"children":95},{},[96,98,103],{"type":43,"value":97},"Here is where ",{"type":26,"tag":66,"props":99,"children":100},{},[101],{"type":43,"value":102},"Re-Twin Energy",{"type":43,"value":104},"’s platform comes into play. Our solution helps optimize the operational settings of a BESS to maximize revenue while minimizing wear and tear on the asset.",{"type":26,"tag":46,"props":106,"children":108},{"id":107},"the-role-of-a-digital-twin-in-maximizing-revenues",[109],{"type":43,"value":110},"The Role of a Digital Twin in Maximizing Revenues",{"type":26,"tag":39,"props":112,"children":113},{},[114,116,121],{"type":43,"value":115},"A ",{"type":26,"tag":66,"props":117,"children":118},{},[119],{"type":43,"value":120},"digital twin",{"type":43,"value":122}," is a virtual replica of your BESS, built using real-time data and advanced modeling techniques. On the Re-Twin platform, creating a digital twin of your BESS is straightforward, and it’s an essential step toward gaining valuable insights into how to operate the system most effectively.",{"type":26,"tag":46,"props":124,"children":126},{"id":125},"configuring-your-digital-twin",[127],{"type":43,"value":128},"Configuring Your Digital Twin",{"type":26,"tag":58,"props":130,"children":131},{},[132,166,219,236],{"type":26,"tag":62,"props":133,"children":134},{},[135,140,142],{"type":26,"tag":66,"props":136,"children":137},{},[138],{"type":43,"value":139},"Asset Information",{"type":43,"value":141},":\nBegin by entering key asset details, including:\n",{"type":26,"tag":143,"props":144,"children":145},"ul",{},[146,156],{"type":26,"tag":62,"props":147,"children":148},{},[149,154],{"type":26,"tag":66,"props":150,"children":151},{},[152],{"type":43,"value":153},"Asset Country, Location, and TSO ID",{"type":43,"value":155},": The location impacts grid access, market rules, and potential revenue streams.",{"type":26,"tag":62,"props":157,"children":158},{},[159,164],{"type":26,"tag":66,"props":160,"children":161},{},[162],{"type":43,"value":163},"Asset Construction and Operation Date Range",{"type":43,"value":165},": This helps estimate when the asset will reach certain milestones in its lifecycle, affecting its financial projections.",{"type":26,"tag":62,"props":167,"children":168},{},[169,174,176],{"type":26,"tag":66,"props":170,"children":171},{},[172],{"type":43,"value":173},"Technical Setup",{"type":43,"value":175},":\nConfigure technical parameters that describe the battery’s capabilities and constraints:\n",{"type":26,"tag":143,"props":177,"children":178},{},[179,189,199,209],{"type":26,"tag":62,"props":180,"children":181},{},[182,187],{"type":26,"tag":66,"props":183,"children":184},{},[185],{"type":43,"value":186},"Capacity and Power Rating (Storage Hours)",{"type":43,"value":188},": These values define the size and scope of the system’s ability to charge and discharge.",{"type":26,"tag":62,"props":190,"children":191},{},[192,197],{"type":26,"tag":66,"props":193,"children":194},{},[195],{"type":43,"value":196},"Charging and Discharging Efficiency",{"type":43,"value":198},": These determine how much energy is lost in the conversion process and affect your energy trading margins.",{"type":26,"tag":62,"props":200,"children":201},{},[202,207],{"type":26,"tag":66,"props":203,"children":204},{},[205],{"type":43,"value":206},"State of Charge Limits",{"type":43,"value":208},": These values indicate the minimum and maximum charge levels at which the system can operate.",{"type":26,"tag":62,"props":210,"children":211},{},[212,217],{"type":26,"tag":66,"props":213,"children":214},{},[215],{"type":43,"value":216},"Allowed Cycles per Day and Battery Degradation",{"type":43,"value":218},": This defines how often the battery can cycle without risking premature failure, influencing long-term asset health.",{"type":26,"tag":62,"props":220,"children":221},{},[222,227,229,234],{"type":26,"tag":66,"props":223,"children":224},{},[225],{"type":43,"value":226},"Financial Setup",{"type":43,"value":228},":\nInsert information about ",{"type":26,"tag":66,"props":230,"children":231},{},[232],{"type":43,"value":233},"Unit Costs, O&M Costs, and Direct/Indirect Costs etc.",{"type":43,"value":235}," as a basis to determine the ****impact on the overall cost structure and the return on investment.",{"type":26,"tag":62,"props":237,"children":238},{},[239,244,246],{"type":26,"tag":66,"props":240,"children":241},{},[242],{"type":43,"value":243},"Market-Specific Adjustments",{"type":43,"value":245},":\n",{"type":26,"tag":143,"props":247,"children":248},{},[249,259],{"type":26,"tag":62,"props":250,"children":251},{},[252,257],{"type":26,"tag":66,"props":253,"children":254},{},[255],{"type":43,"value":256},"Analysis Date Range",{"type":43,"value":258},": Decide which historical data and forecast periods to include in the simulation.",{"type":26,"tag":62,"props":260,"children":261},{},[262,267],{"type":26,"tag":66,"props":263,"children":264},{},[265],{"type":43,"value":266},"Bidding Strategy",{"type":43,"value":268},": Choose between pre-set bidding strategies (Day Ahead, Revenue Floor, Base Case and High Risk Merchant) or custom bidding strategies. A high-risk strategy may aim for higher rewards with market participation in Spot markets. But due to prioritization in high risk markets, the uncertainty in revenues is higher.",{"type":26,"tag":270,"props":271,"children":274},"blog-image",{"alt":272,"caption":272,"src":273},"Example: Insert technical parameters in the Re-Twin platform","/images/blog/from-data-to-profits-how-re-twin-energy-helps-you-maximize-battery-returns-with-ease/screenshot-1.webp",[],{"type":26,"tag":39,"props":276,"children":277},{},[278,283],{"type":26,"tag":66,"props":279,"children":280},{},[281],{"type":43,"value":282},"Simulations",{"type":43,"value":284},":\nOnce all the settings are configured, you can run simulations based on AI-driven optimization. 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Here’s what you can expect from the analysis:",{"type":26,"tag":143,"props":297,"children":298},{},[299,330,340],{"type":26,"tag":62,"props":300,"children":301},{},[302,307,309,314,316,321,323,328],{"type":26,"tag":66,"props":303,"children":304},{},[305],{"type":43,"value":306},"Revenue Insights",{"type":43,"value":308},": The platform estimates ",{"type":26,"tag":66,"props":310,"children":311},{},[312],{"type":43,"value":313},"average revenue",{"type":43,"value":315},", ",{"type":26,"tag":66,"props":317,"children":318},{},[319],{"type":43,"value":320},"IRR",{"type":43,"value":322},", and ",{"type":26,"tag":66,"props":324,"children":325},{},[326],{"type":43,"value":327},"lifetime revenue",{"type":43,"value":329}," based on market conditions and asset performance.",{"type":26,"tag":62,"props":331,"children":332},{},[333,338],{"type":26,"tag":66,"props":334,"children":335},{},[336],{"type":43,"value":337},"Battery Life and Degradation",{"type":43,"value":339},": Understand how quickly the battery’s health deteriorates under different operational strategies and make informed decisions to balance profitability and asset lifespan.",{"type":26,"tag":62,"props":341,"children":342},{},[343,348],{"type":26,"tag":66,"props":344,"children":345},{},[346],{"type":43,"value":347},"Optimal Charge/Discharge Scheduling",{"type":43,"value":349},": Discover the best times to charge or discharge based on the battery capabilities.",{"type":26,"tag":270,"props":351,"children":354},{"alt":352,"caption":352,"src":353},"Example: Revenue insights (here simplified, more details in the tool)","/images/blog/from-data-to-profits-how-re-twin-energy-helps-you-maximize-battery-returns-with-ease/screenshot-2.webp",[],{"type":26,"tag":46,"props":356,"children":358},{"id":357},"scenario-comparison-finding-the-best-setup",[359],{"type":43,"value":360},"Scenario Comparison: Finding the Best Setup",{"type":26,"tag":39,"props":362,"children":363},{},[364],{"type":43,"value":365},"One of the key features of the Re-Twin platform is the ability to compare multiple scenarios. By adjusting various parameters - such as asset configuration, market participation strategy, and operational constraints - you can identify the most profitable setup for your specific BESS project.",{"type":26,"tag":39,"props":367,"children":368},{},[369],{"type":43,"value":370},"For example, you might compare different financing strategies (e.g., tolling vs fully merchant) or test how altering the number of cycles per day affects both revenue and asset life. The results of these simulations can be compared directly in the tool and downloaded to be integrated into your personal analysis for further evaluation.",{"type":26,"tag":46,"props":372,"children":374},{"id":373},"concrete-example-brandenburg-battery",[375],{"type":43,"value":376},"Concrete Example: Brandenburg Battery",{"type":26,"tag":39,"props":378,"children":379},{},[380],{"type":43,"value":381},"Let’s walk through a concrete example to illustrate how our platform works:",{"type":26,"tag":143,"props":383,"children":384},{},[385,395,405,415,424],{"type":26,"tag":62,"props":386,"children":387},{},[388,393],{"type":26,"tag":66,"props":389,"children":390},{},[391],{"type":43,"value":392},"Location",{"type":43,"value":394},": Brandenburg, Germany (close to Berlin)",{"type":26,"tag":62,"props":396,"children":397},{},[398,403],{"type":26,"tag":66,"props":399,"children":400},{},[401],{"type":43,"value":402},"Technology",{"type":43,"value":404},": Li-ion, 20 MW / 10 MWh",{"type":26,"tag":62,"props":406,"children":407},{},[408,413],{"type":26,"tag":66,"props":409,"children":410},{},[411],{"type":43,"value":412},"Operational Parameters",{"type":43,"value":414},": 1.25 cycles/day, round-trip efficiency of 90%, asset unit cost of €200/kWh",{"type":26,"tag":62,"props":416,"children":417},{},[418,422],{"type":26,"tag":66,"props":419,"children":420},{},[421],{"type":43,"value":266},{"type":43,"value":423},": Base Case",{"type":26,"tag":62,"props":425,"children":426},{},[427,432],{"type":26,"tag":66,"props":428,"children":429},{},[430],{"type":43,"value":431},"Asset Degradation:",{"type":43,"value":433}," Not included",{"type":26,"tag":39,"props":435,"children":436},{},[437,439,444,446,450,452,457,459,464,466,471],{"type":43,"value":438},"In this scenario, the digital twin simulation predicts that the BESS would have generated ",{"type":26,"tag":66,"props":440,"children":441},{},[442],{"type":43,"value":443},"€1.4M",{"type":43,"value":445},"  revenue in the year 2024. 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Curious how your BESS would perform if power markets change in the future? Try it and see the insights in action:",{"type":43,"value":560}," ",{"type":26,"tag":562,"props":563,"children":567},"a",{"href":564,"rel":565},"https://app.re-twin.energy/",[566],"nofollow",[568],{"type":43,"value":564},{"type":26,"tag":46,"props":570,"children":572},{"id":571},"conclusion",[573],{"type":43,"value":574},"Conclusion",{"type":26,"tag":39,"props":576,"children":577},{},[578],{"type":43,"value":579},"By leveraging the Re-Twin platform, BESS stakeholders can make data-driven decisions on valuing their asset while managing risk and asset degradation. 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Now You Can See It.","Re-Twin brings location-specific curtailment directly into investment analysis, alongside the revenue, generation, and cash-flow metrics you already rely on. This allows you to incorporate curtailment into your business case from day one, rather than discovering its impact after the investment has been made.","07-10-2026","Siddharth Tambat",[644],"product","/images/blog/curtailment-data/cover.webp",7,{"type":23,"children":648,"toc":1043},[649,653,657,662,667,674,679,684,690,695,700,726,731,737,741,746,776,787,792,798,803,808,813,818,823,834,839,845,855,865,875,889,895,907,926,931,937,994,1000,1005,1026,1029,1033,1037,1040],{"type":26,"tag":27,"props":650,"children":652},{"alt":639,"caption":651,"fit":31,"src":645},"Curtailment is already in your P&L. Now you can see it.",[],{"type":26,"tag":34,"props":654,"children":656},{":reading-time":655,"author":642,"date":641,"title":639},"7",[],{"type":26,"tag":39,"props":658,"children":659},{},[660],{"type":43,"value":661},"When grid constraints require a renewable asset to be redispatched and its output reduced, the resulting curtailment usually reflects system-level conditions rather than any limitation in the asset or its investment case. In high renewable markets like Germany, curtailment can be a routine operational feature. Thus, the question is not whether curtailment will occur, but how much, when, and what it means for a project’s location and returns. If it is not assessed upfront, its impact can emerge later as an unexpected risk to revenues, cash flows, and overall investment performance.",{"type":26,"tag":39,"props":663,"children":664},{},[665],{"type":43,"value":666},"Re-Twin brings location-specific curtailment directly into investment analysis, alongside the revenue, generation, and cash-flow metrics you already rely on. This allows you to incorporate curtailment into your business case from day one, rather than discovering its impact after the investment has been made.",{"type":26,"tag":668,"props":669,"children":671},"h2",{"id":670},"understanding-curtailment-at-the-project-level",[672],{"type":43,"value":673},"Understanding Curtailment at the Project Level",{"type":26,"tag":39,"props":675,"children":676},{},[677],{"type":43,"value":678},"You already know the basic mechanism: grid congestion restricts how much electricity a renewable asset can deliver. When the grid cannot absorb the available generation, the grid operator issues a redispatch instruction and the plant temporarily reduces its output. The challenge is not understanding how curtailment works — it is knowing where it happens, how often it occurs, and what it means for the investment case of a specific site.",{"type":26,"tag":39,"props":680,"children":681},{},[682],{"type":43,"value":683},"A wind farm in Prignitz and one in the Allgäu may look identical in a spreadsheet, yet face completely different grid realities. National averages hide the differences that matter. When curtailment is visible at the level of the actual grid cell, it moves from an unknown risk to a measurable input — one that can be evaluated alongside weather, prices, and generation assumptions.",{"type":26,"tag":46,"props":685,"children":687},{"id":686},"_1-the-curtailment-map-know-where-to-look-closer",[688],{"type":43,"value":689},"1. The Curtailment Map — Know Where to Look Closer",{"type":26,"tag":270,"props":691,"children":694},{"alt":692,"src":693},"Curtailment graph map visual","/images/blog/curtailment-data/image-1.webp",[],{"type":26,"tag":39,"props":696,"children":697},{},[698],{"type":43,"value":699},"Curtailment is not evenly distributed across Germany. Two projects in different locations can face completely different levels of grid congestion, with a direct impact on expected generation and financial performance. Understanding the local grid context is therefore an important part of evaluating a renewable asset.",{"type":26,"tag":39,"props":701,"children":702},{},[703,705,710,712,717,719,724],{"type":43,"value":704},"The Curtailment Map provides a regional overview of redispatch activity, showing where curtailment has historically occurred and how it varies across locations. The map is broken down into small hexagonal zones, with your project pinned in context (",{"type":26,"tag":66,"props":706,"children":707},{},[708],{"type":43,"value":709},"your asset location is highlighted with a purple marker",{"type":43,"value":711},"). Zoom out for the broader picture across the country, or zoom in to the immediate area surrounding your site. The color scale shows the level of curtailment in each zone (",{"type":26,"tag":66,"props":713,"children":714},{},[715],{"type":43,"value":716},"green indicates little to no curtailment, while red highlights areas with higher curtailment levels",{"type":43,"value":718},"). A timeline at the bottom of the map allows you to see how the curtailment profile has changed year over year (",{"type":26,"tag":66,"props":720,"children":721},{},[722],{"type":43,"value":723},"located at the bottom center of the view",{"type":43,"value":725},").",{"type":26,"tag":39,"props":727,"children":728},{},[729],{"type":43,"value":730},"This allows you to quickly identify whether a target site sits in a low-congestion area or a location that requires closer investigation — helping you factor grid conditions into the investment case before they become a surprise later.",{"type":26,"tag":46,"props":732,"children":734},{"id":733},"_2-the-curtailment-matrix-the-hourly-fingerprint-of-your-region",[735],{"type":43,"value":736},"2. The Curtailment Matrix — the Hourly Fingerprint of Your Region",{"type":26,"tag":270,"props":738,"children":740},{"alt":692,"src":739},"/images/blog/curtailment-data/image-2.webp",[],{"type":26,"tag":39,"props":742,"children":743},{},[744],{"type":43,"value":745},"Curtailment is not only about where it happens — timing matters just as much. A site that experiences occasional curtailment at random hours has a very different investment profile from one where curtailment consistently occurs during the same periods. Understanding this hourly pattern is key to assessing the impact on generation and identifying potential opportunities.",{"type":26,"tag":39,"props":747,"children":748},{},[749,751,756,757,762,763,768,769,774],{"type":43,"value":750},"The Curtailment Matrix is automatically calculated for the exact site you are evaluating when you run a scenario in Investment Analysis. It shows the hourly curtailment pattern across every month and year, including ",{"type":26,"tag":66,"props":752,"children":753},{},[754],{"type":43,"value":755},"Peak Month",{"type":43,"value":315},{"type":26,"tag":66,"props":758,"children":759},{},[760],{"type":43,"value":761},"Peak Hour",{"type":43,"value":315},{"type":26,"tag":66,"props":764,"children":765},{},[766],{"type":43,"value":767},"Curtailment Hours",{"type":43,"value":322},{"type":26,"tag":66,"props":770,"children":771},{},[772],{"type":43,"value":773},"Curtailment Probability (%)",{"type":43,"value":775}," for that specific location.",{"type":26,"tag":39,"props":777,"children":778},{},[779,781,786],{"type":43,"value":780},"In the example above, a solar generation site reaches its peak curtailment in August around 15:00 (",{"type":26,"tag":66,"props":782,"children":783},{},[784],{"type":43,"value":785},"highlighting the midday hours when solar generation is typically at its highest",{"type":43,"value":725},{"type":26,"tag":39,"props":788,"children":789},{},[790],{"type":43,"value":791},"This timing pattern is where additional value can emerge. If the grid is consistently reducing generation during the same hours, the curtailed energy represents a predictable source of available power that can be shifted to higher-value periods. The Curtailment Matrix helps determine whether co-located storage makes economic sense and supports sizing decisions based on when and how frequently redispatch occurs, rather than relying only on merchant arbitrage assumptions.",{"type":26,"tag":46,"props":793,"children":795},{"id":794},"_3-the-curtailment-trend-how-the-picture-is-evolving-by-dso",[796],{"type":43,"value":797},"3. The Curtailment Trend — How the Picture Is Evolving by DSO",{"type":26,"tag":270,"props":799,"children":802},{"alt":800,"src":801},"Battery duration","/images/blog/curtailment-data/image-3.webp",[],{"type":26,"tag":39,"props":804,"children":805},{},[806],{"type":43,"value":807},"Curtailment is not static. Grid conditions change over time as renewable capacity grows, demand patterns shift, and network infrastructure evolves. A site that appears low-risk today may face increasing congestion in the future, making it important to understand how the local curtailment profile is developing over time.",{"type":26,"tag":39,"props":809,"children":810},{},[811],{"type":43,"value":812},"The Curtailment Trend shows how curtailment has evolved year on year for the Distribution System Operator (DSO) area where your asset is located. The view is automatically linked to your scenario location and plots the annual hourly curtailment profile, allowing you to see whether congestion in the region is improving or worsening.",{"type":26,"tag":39,"props":814,"children":815},{},[816],{"type":43,"value":817},"Continuing the same example, a PV site’s curtailed volume during midday hours increases from effectively zero in 2021–2022 to a 2025 peak above 20 MWh.",{"type":26,"tag":39,"props":819,"children":820},{},[821],{"type":43,"value":822},"This trend helps identify whether curtailment is becoming a growing risk or a potential opportunity. A rising curtailment profile can highlight where storage may create additional value, while also allowing investors to incorporate evolving grid conditions into their assumptions rather than relying only on historical performance.",{"type":26,"tag":39,"props":824,"children":825},{},[826,828,833],{"type":43,"value":827},"The Curtailment Matrix and Curtailment Trend are both region-specific — linked to the DSO and grid cell where your asset is located — and cover all four renewable classes: ",{"type":26,"tag":66,"props":829,"children":830},{},[831],{"type":43,"value":832},"solar, wind, storage, and hydro",{"type":43,"value":472},{"type":26,"tag":39,"props":835,"children":836},{},[837],{"type":43,"value":838},"The same map also includes additional layers alongside curtailment — operational and planned energy assets, existing grid infrastructure, and grid expansion plans — providing further context for site evaluation. We will explore these additional layers in more detail in a separate post.",{"type":26,"tag":668,"props":840,"children":842},{"id":841},"turning-curtailment-into-an-investment-input",[843],{"type":43,"value":844},"Turning Curtailment Into an Investment Input",{"type":26,"tag":39,"props":846,"children":847},{},[848,853],{"type":26,"tag":66,"props":849,"children":850},{},[851],{"type":43,"value":852},"Revenue modeling:",{"type":43,"value":854}," use regional curtailment history to build a location-specific, evidence-based view of P50/P90 generation, rather than relying on flat industry averages that hide the local differences that matter.",{"type":26,"tag":39,"props":856,"children":857},{},[858,863],{"type":26,"tag":66,"props":859,"children":860},{},[861],{"type":43,"value":862},"Site screening:",{"type":43,"value":864}," before commissioning a detailed grid study, check whether the target cell already has a history of redispatch. That history is valuable information in itself. It shows where connection capacity may become a constraint and helps you decide where deeper analysis is needed before committing time and capital. What previously took weeks can now be assessed in minutes.",{"type":26,"tag":39,"props":866,"children":867},{},[868,873],{"type":26,"tag":66,"props":869,"children":870},{},[871],{"type":43,"value":872},"The storage case:",{"type":43,"value":874}," persistent, hour-concentrated curtailment is one of the clearest signals that a battery has a genuine, structural reason to exist in that location — not as a workaround for a grid constraint, but as a business case in its own right. The Curtailment Matrix and Curtailment Trend together show not just if curtailment occurs, but when and how deep it is. Combined with day-ahead forecasting, they allow you to model both the curtailment that storage can absorb and the arbitrage revenue it can generate on the same asset.",{"type":26,"tag":39,"props":876,"children":877},{},[878,880,887],{"type":43,"value":879},"An additional note on why the timing matters now: Germany’s economy ministry has proposed a measure — informally known as ",{"type":26,"tag":562,"props":881,"children":884},{"href":882,"rel":883},"https://klimareporter.de/images/dokumente/2026/02/referentenentwurf-netzanschlusspaket.pdf",[566],[885],{"type":43,"value":886},"Redispatch-Vorbehalt",{"type":43,"value":888}," — that could allow grid operators to withhold curtailment compensation in already congested zones. This measure is part of the broader EEG 2027 reform and is still moving through the legislative process, so nothing is final yet. If introduced, curtailment would no longer simply be reimbursed; in some locations, it would become a cost to factor into the investment case, while in others it could make co-located storage economically attractive. Either way, these three views are designed to identify that location-specific variance early — not years into a 20-year asset lifecycle.",{"type":26,"tag":668,"props":890,"children":892},{"id":891},"how-re-twin-builds-it",[893],{"type":43,"value":894},"How Re-Twin Builds It",{"type":26,"tag":39,"props":896,"children":897},{},[898,900,905],{"type":43,"value":899},"Re-Twin combines multiple energy datasets and analytical models to turn fragmented grid information into an investment-ready curtailment view. We gather ",{"type":26,"tag":66,"props":901,"children":902},{},[903],{"type":43,"value":904},"DSO redispatch measure data",{"type":43,"value":906}," — the official down-regulation records — and join it with Germany’s renewable master data register (MaStR) and hourly weather data. The combined dataset is then spatially indexed so curtailment can be analyzed at the relevant cell, region, and DSO level.",{"type":26,"tag":39,"props":908,"children":909},{},[910,912,917,919,924],{"type":43,"value":911},"The result is a location-specific view of curtailment, expressed through metrics such as ",{"type":26,"tag":66,"props":913,"children":914},{},[915],{"type":43,"value":916},"Curtailment %",{"type":43,"value":918}," and ",{"type":26,"tag":66,"props":920,"children":921},{},[922],{"type":43,"value":923},"Curtailed Hours",{"type":43,"value":925}," for the exact area where your asset is located. The analysis is rerun as new DSO data becomes available, ensuring the curtailment view reflects the latest grid conditions, and is integrated directly into the same platform where you evaluate generation, revenues, and cash flows.",{"type":26,"tag":39,"props":927,"children":928},{},[929],{"type":43,"value":930},"The outcome is that curtailment becomes part of the investment analysis itself. Instead of being a separate grid study or a regulatory data point reviewed later, it becomes a measurable input you can assess alongside revenues, cash flows, and generation when building your business case.",{"type":26,"tag":668,"props":932,"children":934},{"id":933},"where-this-is-going",[935],{"type":43,"value":936},"Where This Is Going",{"type":26,"tag":143,"props":938,"children":939},{},[940,950,974,984],{"type":26,"tag":62,"props":941,"children":942},{},[943,948],{"type":26,"tag":66,"props":944,"children":945},{},[946],{"type":43,"value":947},"Curtailment integrated into Investment Analysis:",{"type":43,"value":949}," our next step is to bring the curtailment signal directly into revenue and cash flow modeling, so location-specific adjustments are automatically reflected in the investment case rather than interpreted manually from the map.",{"type":26,"tag":62,"props":951,"children":952},{},[953,958,960,965,967,972],{"type":26,"tag":66,"props":954,"children":955},{},[956],{"type":43,"value":957},"More markets, the same level of insight:",{"type":43,"value":959}," curtailment data is currently available for ",{"type":26,"tag":66,"props":961,"children":962},{},[963],{"type":43,"value":964},"Germany and Spain",{"type":43,"value":966},", with ",{"type":26,"tag":66,"props":968,"children":969},{},[970],{"type":43,"value":971},"the Netherlands, Belgium, and Austria",{"type":43,"value":973}," coming next.",{"type":26,"tag":62,"props":975,"children":976},{},[977,982],{"type":26,"tag":66,"props":978,"children":979},{},[980],{"type":43,"value":981},"Curtailment forecasting:",{"type":43,"value":983}," moving beyond historical patterns to provide a forward-looking view of curtailment risk.",{"type":26,"tag":62,"props":985,"children":986},{},[987,992],{"type":26,"tag":66,"props":988,"children":989},{},[990],{"type":43,"value":991},"Deeper German DSO coverage:",{"type":43,"value":993}," expanding coverage within our largest market to provide even more granular regional insights.",{"type":26,"tag":668,"props":995,"children":997},{"id":996},"wed-like-your-feedback",[998],{"type":43,"value":999},"We’d Like Your Feedback",{"type":26,"tag":39,"props":1001,"children":1002},{},[1003],{"type":43,"value":1004},"We are putting these views in front of the people who develop, finance, and optimize renewable assets to understand what is most valuable, where the analysis can go further, and what insights you need next.",{"type":26,"tag":39,"props":1006,"children":1007},{},[1008,1010,1017,1019,1024],{"type":43,"value":1009},"If you have feedback, would like to learn more, or would like a demo, ",{"type":26,"tag":562,"props":1011,"children":1014},{"href":1012,"rel":1013},"https://re-twin.energy/contact",[566],[1015],{"type":43,"value":1016},"contact us",{"type":43,"value":1018},". If you are already using the Re-Twin platform, run a scenario in Investment Analysis and then open the ",{"type":26,"tag":66,"props":1020,"children":1021},{},[1022],{"type":43,"value":1023},"Insights tab",{"type":43,"value":1025}," in your results and explore the curtailment views.",{"type":26,"tag":596,"props":1027,"children":1028},{"author":642},[],{"type":26,"tag":600,"props":1030,"children":1032},{":blog":602,":type":1031,"blog":7},"2",[],{"type":26,"tag":1034,"props":1035,"children":1036},"recommended-news",{},[],{"type":26,"tag":610,"props":1038,"children":1039},{},[],{"type":26,"tag":614,"props":1041,"children":1042},{},[],{"title":7,"searchDepth":618,"depth":618,"links":1044},[1045,1050,1051,1052,1053],{"id":670,"depth":618,"text":673,"children":1046},[1047,1048,1049],{"id":686,"depth":621,"text":689},{"id":733,"depth":621,"text":736},{"id":794,"depth":621,"text":797},{"id":841,"depth":618,"text":844},{"id":891,"depth":618,"text":894},{"id":933,"depth":618,"text":936},{"id":996,"depth":618,"text":999},"content:blog:curtailment-data.md","blog/curtailment-data.md","blog/curtailment-data",{"loc":638},{"_path":1059,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":1060,"description":1061,"publishedAt":1062,"author":1063,"tags":1064,"image":1065,"readingTime":621,"body":1066,"_type":629,"_id":1429,"_source":631,"_file":1430,"_stem":1431,"_extension":634,"sitemap":1432},"/blog/impact-of-day-ahead-forecast","Impact of Day-Ahead Forecast Accuracy on BESS Revenues","Together with Electricity Maps, we looked at how day-ahead forecast accuracy translates into realized BESS revenues. The question was simple: if two forecasts see tomorrow's German day-ahead market differently, how much does that change what a battery would actually earn?","06-16-2026","Prasad Hadbe",[644],"/images/blog/impact-of-day-ahead-forecast/cover.webp",{"type":23,"children":1067,"toc":1423},[1068,1071,1075,1081,1086,1091,1095,1101,1106,1111,1191,1196,1201,1207,1212,1334,1339,1344,1350,1355,1368,1373,1378,1383,1387,1393,1398,1403,1408,1411,1414,1417,1420],{"type":26,"tag":27,"props":1069,"children":1070},{"alt":1060,"caption":1060,"fit":31,"src":1065},[],{"type":26,"tag":34,"props":1072,"children":1074},{":reading-time":1073,"author":1063,"date":1062,"title":1060},"3",[],{"type":26,"tag":1076,"props":1077,"children":1079},"h1",{"id":1078},"impact-of-day-ahead-forecast-accuracy-on-bess-revenues",[1080],{"type":43,"value":1060},{"type":26,"tag":39,"props":1082,"children":1083},{},[1084],{"type":43,"value":1085},"Battery revenues are often discussed as if the asset simply reacts to market volatility. In practice, a battery earns money by making decisions before prices are known. The forecast decides when to charge, when to discharge, and how much of the daily cycling budget to spend.",{"type":26,"tag":39,"props":1087,"children":1088},{},[1089],{"type":43,"value":1090},"That makes forecast quality a commercial lever, not just a modelling metric.",{"type":26,"tag":39,"props":1092,"children":1093},{},[1094],{"type":43,"value":1061},{"type":26,"tag":668,"props":1096,"children":1098},{"id":1097},"the-setup",[1099],{"type":43,"value":1100},"The Setup",{"type":26,"tag":39,"props":1102,"children":1103},{},[1104],{"type":43,"value":1105},"We ran a Jan–Mar 2026 backtest using German 15-minute day-ahead prices. For every delivery day, the battery dispatch was optimized using the forecast available before the day-ahead gate, then settled against the actual day-ahead price.",{"type":26,"tag":39,"props":1107,"children":1108},{},[1109],{"type":43,"value":1110},"The analysis compares four signals:",{"type":26,"tag":1112,"props":1113,"children":1114},"table",{},[1115,1134],{"type":26,"tag":1116,"props":1117,"children":1118},"thead",{},[1119],{"type":26,"tag":1120,"props":1121,"children":1122},"tr",{},[1123,1129],{"type":26,"tag":1124,"props":1125,"children":1126},"th",{},[1127],{"type":43,"value":1128},"Signal",{"type":26,"tag":1124,"props":1130,"children":1131},{},[1132],{"type":43,"value":1133},"What it represents",{"type":26,"tag":1135,"props":1136,"children":1137},"tbody",{},[1138,1152,1165,1178],{"type":26,"tag":1120,"props":1139,"children":1140},{},[1141,1147],{"type":26,"tag":1142,"props":1143,"children":1144},"td",{},[1145],{"type":43,"value":1146},"Previous-day baseline",{"type":26,"tag":1142,"props":1148,"children":1149},{},[1150],{"type":43,"value":1151},"A simple naive benchmark: tomorrow looks like yesterday",{"type":26,"tag":1120,"props":1153,"children":1154},{},[1155,1160],{"type":26,"tag":1142,"props":1156,"children":1157},{},[1158],{"type":43,"value":1159},"Re-Twin forecast",{"type":26,"tag":1142,"props":1161,"children":1162},{},[1163],{"type":43,"value":1164},"Re-Twin's day-ahead forecast",{"type":26,"tag":1120,"props":1166,"children":1167},{},[1168,1173],{"type":26,"tag":1142,"props":1169,"children":1170},{},[1171],{"type":43,"value":1172},"Electricity Maps forecast",{"type":26,"tag":1142,"props":1174,"children":1175},{},[1176],{"type":43,"value":1177},"Electricity Maps' day-ahead forecast",{"type":26,"tag":1120,"props":1179,"children":1180},{},[1181,1186],{"type":26,"tag":1142,"props":1182,"children":1183},{},[1184],{"type":43,"value":1185},"Perfect foresight",{"type":26,"tag":1142,"props":1187,"children":1188},{},[1189],{"type":43,"value":1190},"The theoretical upper bound using actual prices in advance",{"type":26,"tag":39,"props":1192,"children":1193},{},[1194],{"type":43,"value":1195},"The BESS was modelled as a 10 MW standalone battery with 95% charge/discharge efficiency, 10–90% SoC limits. We tested 1h, 2h, and 4h durations, with 1, 1.5, and 2 cycles per day.",{"type":26,"tag":39,"props":1197,"children":1198},{},[1199],{"type":43,"value":1200},"This is intentionally a day-ahead-only benchmark. The same approach can be extended to spot-market and fully merchant strategies, but those require matching intraday, balancing, and ancillary forecasts plus realized settlement prices.",{"type":26,"tag":668,"props":1202,"children":1204},{"id":1203},"what-we-found",[1205],{"type":43,"value":1206},"What We Found",{"type":26,"tag":39,"props":1208,"children":1209},{},[1210],{"type":43,"value":1211},"For a representative 2-hour battery with 1.5 cycles per day, Electricity Maps produced the strongest result in the backtest:",{"type":26,"tag":1112,"props":1213,"children":1214},{},[1215,1241],{"type":26,"tag":1116,"props":1216,"children":1217},{},[1218],{"type":26,"tag":1120,"props":1219,"children":1220},{},[1221,1226,1231,1236],{"type":26,"tag":1124,"props":1222,"children":1223},{},[1224],{"type":43,"value":1225},"Forecast source",{"type":26,"tag":1124,"props":1227,"children":1228},{},[1229],{"type":43,"value":1230},"Realized revenue",{"type":26,"tag":1124,"props":1232,"children":1233},{},[1234],{"type":43,"value":1235},"Revenue captured vs perfect foresight",{"type":26,"tag":1124,"props":1237,"children":1238},{},[1239],{"type":43,"value":1240},"Gap to perfect foresight",{"type":26,"tag":1135,"props":1242,"children":1243},{},[1244,1266,1289,1312],{"type":26,"tag":1120,"props":1245,"children":1246},{},[1247,1251,1256,1261],{"type":26,"tag":1142,"props":1248,"children":1249},{},[1250],{"type":43,"value":1146},{"type":26,"tag":1142,"props":1252,"children":1253},{},[1254],{"type":43,"value":1255},"EUR 10,904/MW",{"type":26,"tag":1142,"props":1257,"children":1258},{},[1259],{"type":43,"value":1260},"78.4%",{"type":26,"tag":1142,"props":1262,"children":1263},{},[1264],{"type":43,"value":1265},"EUR 3,010/MW",{"type":26,"tag":1120,"props":1267,"children":1268},{},[1269,1274,1279,1284],{"type":26,"tag":1142,"props":1270,"children":1271},{},[1272],{"type":43,"value":1273},"Re-Twin",{"type":26,"tag":1142,"props":1275,"children":1276},{},[1277],{"type":43,"value":1278},"EUR 11,628/MW",{"type":26,"tag":1142,"props":1280,"children":1281},{},[1282],{"type":43,"value":1283},"83.6%",{"type":26,"tag":1142,"props":1285,"children":1286},{},[1287],{"type":43,"value":1288},"EUR 2,286/MW",{"type":26,"tag":1120,"props":1290,"children":1291},{},[1292,1297,1302,1307],{"type":26,"tag":1142,"props":1293,"children":1294},{},[1295],{"type":43,"value":1296},"Electricity Maps",{"type":26,"tag":1142,"props":1298,"children":1299},{},[1300],{"type":43,"value":1301},"EUR 12,163/MW",{"type":26,"tag":1142,"props":1303,"children":1304},{},[1305],{"type":43,"value":1306},"87.4%",{"type":26,"tag":1142,"props":1308,"children":1309},{},[1310],{"type":43,"value":1311},"EUR 1,751/MW",{"type":26,"tag":1120,"props":1313,"children":1314},{},[1315,1319,1324,1329],{"type":26,"tag":1142,"props":1316,"children":1317},{},[1318],{"type":43,"value":1185},{"type":26,"tag":1142,"props":1320,"children":1321},{},[1322],{"type":43,"value":1323},"EUR 13,914/MW",{"type":26,"tag":1142,"props":1325,"children":1326},{},[1327],{"type":43,"value":1328},"100.0%",{"type":26,"tag":1142,"props":1330,"children":1331},{},[1332],{"type":43,"value":1333},"EUR 0/MW",{"type":26,"tag":39,"props":1335,"children":1336},{},[1337],{"type":43,"value":1338},"The same pattern appears in the forecast error metrics. Electricity Maps had a mean absolute error of 17.2 EUR/MWh, compared with 21.4 EUR/MWh for Re-Twin and 27.9 EUR/MWh for the previous-day baseline.",{"type":26,"tag":39,"props":1340,"children":1341},{},[1342],{"type":43,"value":1343},"The important point is not just that the forecast error was lower. It is that lower error changed the dispatch. The battery made better use of its limited cycle budget, avoided more low-value spreads, and captured more of the revenue that would have been available with perfect information.",{"type":26,"tag":668,"props":1345,"children":1347},{"id":1346},"why-accuracy-turns-into-revenue",[1348],{"type":43,"value":1349},"Why Accuracy Turns Into Revenue",{"type":26,"tag":39,"props":1351,"children":1352},{},[1353],{"type":43,"value":1354},"A BESS optimizer is constrained. It cannot simply trade every spread in the day-ahead curve. It has finite power, finite energy capacity, efficiency losses, SoC limits, and cycle limits. A forecast error therefore has two effects:",{"type":26,"tag":58,"props":1356,"children":1357},{},[1358,1363],{"type":26,"tag":62,"props":1359,"children":1360},{},[1361],{"type":43,"value":1362},"It can make the battery charge or discharge at the wrong time.",{"type":26,"tag":62,"props":1364,"children":1365},{},[1366],{"type":43,"value":1367},"It can spend scarce cycle budget on a spread that looked attractive in the forecast but was less valuable in reality.",{"type":26,"tag":39,"props":1369,"children":1370},{},[1371],{"type":43,"value":1372},"That second effect is where forecast accuracy becomes especially important. A poor forecast does not just miss a price; it can reserve the battery for the wrong opportunity.",{"type":26,"tag":39,"props":1374,"children":1375},{},[1376],{"type":43,"value":1377},"In this backtest, the 2h / 1.5-cycle battery using Electricity Maps captured 87.4% of perfect-foresight day-ahead revenue. Re-Twin captured 83.6%. The difference is a practical measure of how much more value the better forecast unlocked from the same physical asset.",{"type":26,"tag":270,"props":1379,"children":1382},{"alt":1380,"src":1381},"AI in Energy Trading","/images/blog/impact-of-day-ahead-forecast/image-2.webp",[],{"type":26,"tag":270,"props":1384,"children":1386},{"alt":800,"src":1385},"/images/blog/impact-of-day-ahead-forecast/image-1.webp",[],{"type":26,"tag":668,"props":1388,"children":1390},{"id":1389},"the-takeaway",[1391],{"type":43,"value":1392},"The Takeaway",{"type":26,"tag":39,"props":1394,"children":1395},{},[1396],{"type":43,"value":1397},"Forecast accuracy is not an abstract performance statistic for BESS operators. It directly affects market decisions, cycle allocation, and realized revenue.",{"type":26,"tag":39,"props":1399,"children":1400},{},[1401],{"type":43,"value":1402},"In this Jan–Mar 2026 German day-ahead backtest, Electricity Maps delivered both lower forecast error and higher realized BESS revenue than the other non-perfect signals. For the representative 2-hour battery case, it reduced the gap to perfect foresight to EUR 1,751/MW, compared with EUR 2,286/MW for Re-Twin and EUR 3,010/MW for the previous-day baseline.",{"type":26,"tag":39,"props":1404,"children":1405},{},[1406],{"type":43,"value":1407},"For developers, investors, and optimizers, this is the core lesson: better forecasts help batteries capture more of the value that volatility creates.",{"type":26,"tag":596,"props":1409,"children":1410},{"author":1063},[],{"type":26,"tag":600,"props":1412,"children":1413},{":blog":602,":type":1031,"blog":7},[],{"type":26,"tag":1034,"props":1415,"children":1416},{},[],{"type":26,"tag":610,"props":1418,"children":1419},{},[],{"type":26,"tag":614,"props":1421,"children":1422},{},[],{"title":7,"searchDepth":618,"depth":618,"links":1424},[1425,1426,1427,1428],{"id":1097,"depth":618,"text":1100},{"id":1203,"depth":618,"text":1206},{"id":1346,"depth":618,"text":1349},{"id":1389,"depth":618,"text":1392},"content:blog:impact-of-day-ahead-forecast.md","blog/impact-of-day-ahead-forecast.md","blog/impact-of-day-ahead-forecast",{"loc":1059},{"_path":1434,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":1435,"description":1436,"publishedAt":1437,"author":1438,"tags":1439,"image":1442,"readingTime":1443,"body":1444,"_type":629,"_id":1600,"_source":631,"_file":1601,"_stem":1602,"_extension":634,"sitemap":1603},"/blog/eeg-2027-leak","EEG 2027 Leak: The Changes That Could Reshape Renewable Investments","The leaked draft of EEG 2027 marks the end of this era. With a clear preference for direct marketing (*Direktvermarktung*) for nearly all new systems, the law transforms renewable operators from passive generators into active market participants, shifting the burden of grid stability onto producers themselves.","02-06-2026","Himali Talware",[1440,1441],"energy storage","energy trading","/images/blog/eeg-2027-leak/eeg-leak-1.webp",6,{"type":23,"children":1445,"toc":1598},[1446,1450,1455,1467,1475,1487,1495,1500,1508,1527,1535,1547,1555,1560,1565,1578,1583,1586,1589,1592,1595],{"type":26,"tag":27,"props":1447,"children":1449},{"alt":1448,"caption":7,"src":1442},"Energy Storage",[],{"type":26,"tag":34,"props":1451,"children":1454},{":reading-time":1452,"aspect":1453,"author":1438,"date":1437,"title":1435},"5","preserve",[],{"type":26,"tag":39,"props":1456,"children":1457},{},[1458,1460,1465],{"type":43,"value":1459},"For two decades, Germany's energy transition ran on a \"produce and forget\" philosophy, with fixed feed-in tariffs that rewarded raw volume with no regard for market demand. The leaked draft of EEG 2027 marks the end of this era. With a clear preference for direct marketing (",{"type":26,"tag":543,"props":1461,"children":1462},{},[1463],{"type":43,"value":1464},"Direktvermarktung",{"type":43,"value":1466},") for nearly all new systems, the law transforms renewable operators from passive generators into active market participants, shifting the burden of grid stability onto producers themselves.",{"type":26,"tag":39,"props":1468,"children":1469},{},[1470],{"type":26,"tag":66,"props":1471,"children":1472},{},[1473],{"type":43,"value":1474},"Peak Shaving and Flexible Connections",{"type":26,"tag":39,"props":1476,"children":1477},{},[1478,1480,1485],{"type":43,"value":1479},"The most disruptive technical change is a mandatory 50% cap on active power feed-in for roof-mounted solar installations (Solaranlagen des zweiten Segments), a legal requirement to manage surplus generation at the source. Balcony solar remains exempt from this requirement. The broader markets are shifting towards Flexible Grid Connection Agreements (",{"type":26,"tag":543,"props":1481,"children":1482},{},[1483],{"type":43,"value":1484},"flexible Netzanschlussvereinbarungen",{"type":43,"value":1486},"), replacing the old \"all-you-can-inject\" model with negotiated, time-window-based feed-in limits and shared responsibility for grid capacity.",{"type":26,"tag":39,"props":1488,"children":1489},{},[1490],{"type":26,"tag":66,"props":1491,"children":1492},{},[1493],{"type":43,"value":1494},"Innovation Auctions to be abolished",{"type":26,"tag":39,"props":1496,"children":1497},{},[1498],{"type":43,"value":1499},"In line with the EU Net-Zero Industry Act, the EEG 2027 draft proposes replacing the former \"innovation auctions\", which previously funded renewable-plus-storage combinations, with \"resilience auctions\". Co-located BESS projects are considered standard market practice, so wind and solar projects with integrated storage will compete in regular, technology-specific auctions going forward, which will include qualitative criteria designed to strengthen the European supply chain and reduce industrial dependencies.",{"type":26,"tag":39,"props":1501,"children":1502},{},[1503],{"type":26,"tag":66,"props":1504,"children":1505},{},[1506],{"type":43,"value":1507},"The Multi-Use Breakthrough",{"type":26,"tag":39,"props":1509,"children":1510},{},[1511,1513,1518,1520,1525],{"type":43,"value":1512},"Historically, co-located BESS faced an \"exclusivity flaw\": charging from the grid for arbitrage risked losing all EEG market premiums. EEG 2027 resolves this with the Demarcation Option (",{"type":26,"tag":543,"props":1514,"children":1515},{},[1516],{"type":43,"value":1517},"Abgrenzungsoption",{"type":43,"value":1519},"), enabling a single battery to shift renewable energy peaks while simultaneously engaging in grid arbitrage - provided the renewable share is accurately metered via Smart Meter Gateways. Operators seeking simplicity can use the Exclusivity Option (100% green charging), while residential systems under 30 kW qualify for the Flat-Rate Option (",{"type":26,"tag":543,"props":1521,"children":1522},{},[1523],{"type":43,"value":1524},"Pauschaloption",{"type":43,"value":1526},"), with subsidies up to 500 kWh/kW/year without complex metering.",{"type":26,"tag":39,"props":1528,"children":1529},{},[1530],{"type":26,"tag":66,"props":1531,"children":1532},{},[1533],{"type":43,"value":1534},"CfDs: Risk Recalibrated",{"type":26,"tag":39,"props":1536,"children":1537},{},[1538,1540,1545],{"type":43,"value":1539},"Systems over 100 kW are subject to a two-way Contract for Difference mechanism. When annual market values exceed the reference price, operators pay a Refinancing Contribution (",{"type":26,"tag":543,"props":1541,"children":1542},{},[1543],{"type":43,"value":1544},"Refinanzierungsbeitrag",{"type":43,"value":1546},"), but crucially, this is calculated as an annual flat rate per kWh, not in real time. Batteries discharging during extreme price spikes keep the full hourly margin; only the smoothed annual surcharge applies. During negative price periods, the contribution drops to zero, actively incentivising BESS to charge when the grid needs it most.",{"type":26,"tag":39,"props":1548,"children":1549},{},[1550],{"type":26,"tag":66,"props":1551,"children":1552},{},[1553],{"type":43,"value":1554},"Navigating the new market",{"type":26,"tag":39,"props":1556,"children":1557},{},[1558],{"type":43,"value":1559},"The EEG 2027 draft seems to be a point of no return. Fixed tariffs are proposed to be phased out, while intelligent storage is the new engine of value. The question for every energy investor is no longer whether to integrate BESS, but whether they are equipped to operate in a market where the battery has become the product.",{"type":26,"tag":39,"props":1561,"children":1562},{},[1563],{"type":43,"value":1564},"A question we must ask ourselves is: Are we ready for a grid where the battery is no longer an option, but the engine?",{"type":26,"tag":39,"props":1566,"children":1567},{},[1568,1570,1577],{"type":43,"value":1569},"To explore how to model BESS and co-location setup and quantify the impact of upcoming regulatory changes, visit ",{"type":26,"tag":562,"props":1571,"children":1574},{"href":1572,"rel":1573},"http://app.re-twin.energy",[566],[1575],{"type":43,"value":1576},"app.re-twin.energy",{"type":43,"value":472},{"type":26,"tag":39,"props":1579,"children":1580},{},[1581],{"type":43,"value":1582},"The tools to thrive in this new market already exist. Find out how to use them today!",{"type":26,"tag":596,"props":1584,"children":1585},{"author":1438},[],{"type":26,"tag":600,"props":1587,"children":1588},{":blog":602,":type":603},[],{"type":26,"tag":606,"props":1590,"children":1591},{},[],{"type":26,"tag":610,"props":1593,"children":1594},{},[],{"type":26,"tag":614,"props":1596,"children":1597},{},[],{"title":7,"searchDepth":618,"depth":618,"links":1599},[],"content:blog:eeg-2027-leak.md","blog/eeg-2027-leak.md","blog/eeg-2027-leak",{"loc":1434},{"_path":1605,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":1606,"description":1607,"publishedAt":1608,"author":1609,"tags":1610,"image":1611,"readingTime":1443,"body":1612,"_type":629,"_id":1979,"_source":631,"_file":1980,"_stem":1981,"_extension":634,"sitemap":1982},"/blog/turning-vt-into-custom-benchmarks","Re-Twin x ECO STOR: Turning Live Benchmarking into Custom Benchmarks","Re-Twin’s Live Benchmarking enables an asset owner to establish a live benchmark, creating a transparent, objective performance floor for their assets and trading partners.","12-17-2025","Mayur Andulkar",[1440,1441],"/images/blog/turning-vt-into-custom-benchmarks/header.webp",{"type":23,"children":1613,"toc":1972},[1614,1617,1621,1630,1640,1645,1650,1659,1664,1689,1701,1707,1726,1731,1743,1748,1753,1765,1777,1787,1796,1801,1820,1825,1837,1842,1853,1862,1867,1907,1916,1928,1938,1957,1960,1963,1966,1969],{"type":26,"tag":27,"props":1615,"children":1616},{"alt":1448,"caption":7,"src":1611},[],{"type":26,"tag":34,"props":1618,"children":1620},{":reading-time":1619,"aspect":1453,"author":1609,"date":1608,"title":1606},"6",[],{"type":26,"tag":46,"props":1622,"children":1624},{"id":1623},"_1-the-need-for-a-custom-benchmark",[1625],{"type":26,"tag":66,"props":1626,"children":1627},{},[1628],{"type":43,"value":1629},"1. The Need for a Custom Benchmark",{"type":26,"tag":39,"props":1631,"children":1632},{},[1633,1635],{"type":43,"value":1634},"Owning an energy storage asset means navigating a complex and volatile market where every decision counts and often, your performance is in the hands of an external trading partner. While you may trust their expertise, one question remains: ",{"type":26,"tag":66,"props":1636,"children":1637},{},[1638],{"type":43,"value":1639},"how do you define what “good” really looks like?",{"type":26,"tag":39,"props":1641,"children":1642},{},[1643],{"type":43,"value":1644},"Traditional performance measures rarely provide the answer.\nGeneric indexes offer a rough comparison but fail to capture the reality of a specific asset. Static models assume perfect foresight and unlimited flexibility ignoring real-world constraints like ramping limits, forecast uncertainty, and market-specific rules that shape daily returns.",{"type":26,"tag":39,"props":1646,"children":1647},{},[1648],{"type":43,"value":1649},"For asset owners, this creates a clear need for a custom benchmark: one that mirrors the behavior of their own trading desk and reflects each asset’s location, constraints, market setup, and operational strategy.",{"type":26,"tag":46,"props":1651,"children":1653},{"id":1652},"_2-how-re-twin-live-benchmarking-supports-eco-stor",[1654],{"type":26,"tag":66,"props":1655,"children":1656},{},[1657],{"type":43,"value":1658},"2. How Re-Twin Live Benchmarking supports ECO STOR",{"type":26,"tag":39,"props":1660,"children":1661},{},[1662],{"type":43,"value":1663},"To bring more clarity to how battery assets are benchmarked and evaluated, Re-Twin Energy partnered with German battery storage developer and asset owner ECO STOR who adopted the Live Benchmarking module.",{"type":26,"tag":39,"props":1665,"children":1666},{},[1667,1669,1674,1676,1681,1682,1687],{"type":43,"value":1668},"The module simulates how an ",{"type":26,"tag":66,"props":1670,"children":1671},{},[1672],{"type":43,"value":1673},"algo-trader",{"type":43,"value":1675}," would perform in real markets — bid by bid — providing an independent, data-driven benchmark without taking any financial risk.\nEach asset receives a ",{"type":26,"tag":66,"props":1677,"children":1678},{},[1679],{"type":43,"value":1680},"live custom benchmark",{"type":43,"value":918},{"type":26,"tag":66,"props":1683,"children":1684},{},[1685],{"type":43,"value":1686},"7-day revenue forecast",{"type":43,"value":1688},", tailored to its configuration and market setup — solving the challenge that no universal index can truly capture.",{"type":26,"tag":39,"props":1690,"children":1691},{},[1692,1694,1699],{"type":43,"value":1693},"It starts with ",{"type":26,"tag":66,"props":1695,"children":1696},{},[1697],{"type":43,"value":1698},"asset configuration",{"type":43,"value":1700},": defining technical parameters like ramping limits, minimum durations, and market timings to reflect real operating behavior.",{"type":26,"tag":270,"props":1702,"children":1706},{"alt":1703,"caption":1704,"src":1705},"Graphs and Analytics","Defining asset-specific parameters such as ramping limits, duration, and market timings ensures that simulations reflect real-world operating behavior.","/images/blog/turning-vt-into-custom-benchmarks/image-1.webp",[],{"type":26,"tag":39,"props":1708,"children":1709},{},[1710,1712,1717,1719,1724],{"type":43,"value":1711},"Next, users choose from multiple trading strategies — such as ",{"type":26,"tag":66,"props":1713,"children":1714},{},[1715],{"type":43,"value":1716},"pure day-ahead, fully merchant,",{"type":43,"value":1718}," or ",{"type":26,"tag":66,"props":1720,"children":1721},{},[1722],{"type":43,"value":1723},"custom hybrids",{"type":43,"value":1725}," based on their market setup. Each can be simulated and compared side by side, showing how different approaches perform under identical market conditions.",{"type":26,"tag":270,"props":1727,"children":1730},{"alt":1703,"caption":1728,"src":1729},"Multiple trading strategies — from day-ahead to fully merchant — can be configured and compared side by side under identical market conditions.","/images/blog/turning-vt-into-custom-benchmarks/image-2.webp",[],{"type":26,"tag":39,"props":1732,"children":1733},{},[1734,1736,1741],{"type":43,"value":1735},"Once configured, Live Benchmarking ",{"type":26,"tag":66,"props":1737,"children":1738},{},[1739],{"type":43,"value":1740},"automatically generates bids",{"type":43,"value":1742}," using baseline forecasts for all relevant markets — including day-ahead, intraday, FCR, and aFRR.",{"type":26,"tag":39,"props":1744,"children":1745},{},[1746],{"type":43,"value":1747},"The chart below shows how forecasted and actual day-ahead prices compare, forming the basis for these simulated bids.",{"type":26,"tag":270,"props":1749,"children":1752},{"alt":1703,"caption":1750,"src":1751},"Forecasted and actual day-ahead prices form the basis for simulated bids, creating realistic benchmarks for asset performance.","/images/blog/turning-vt-into-custom-benchmarks/image-3.webp",[],{"type":26,"tag":39,"props":1754,"children":1755},{},[1756,1758,1763],{"type":43,"value":1757},"The next day, the ",{"type":26,"tag":66,"props":1759,"children":1760},{},[1761],{"type":43,"value":1762},"simulated bids are matched against actual market results",{"type":43,"value":1764}," to calculate revenues from the asset, assess forecast accuracy and benchmark asset performance.",{"type":26,"tag":39,"props":1766,"children":1767},{},[1768,1770,1775],{"type":43,"value":1769},"The outcome is a ",{"type":26,"tag":66,"props":1771,"children":1772},{},[1773],{"type":43,"value":1774},"complete trading trace",{"type":43,"value":1776}," — from forecasts to simulated clearing — showing how an asset would have performed under real market conditions.",{"type":26,"tag":39,"props":1778,"children":1779},{},[1780,1782],{"type":43,"value":1781},"At a glance, ECO STOR’s team can track daily results, compare strategies, and see what truly drives performance turning complex market data into ",{"type":26,"tag":66,"props":1783,"children":1784},{},[1785],{"type":43,"value":1786},"clear, actionable insight.",{"type":26,"tag":46,"props":1788,"children":1790},{"id":1789},"_3-case-study-establishing-the-performance-floor",[1791],{"type":26,"tag":66,"props":1792,"children":1793},{},[1794],{"type":43,"value":1795},"3. Case Study: Establishing the Performance Floor",{"type":26,"tag":270,"props":1797,"children":1800},{"alt":1703,"caption":1798,"src":1799},"Simulated performance of an exemplary 10 MW / 20 MWh battery asset over two months, comparing a fully merchant strategy (green) with a day-ahead benchmark (blue). The merchant strategy consistently outperformed, defining the asset’s realistic performance floor.","/images/blog/turning-vt-into-custom-benchmarks/image-4.webp",[],{"type":26,"tag":39,"props":1802,"children":1803},{},[1804,1806,1811,1813,1818],{"type":43,"value":1805},"To show how Live Benchmarking translates into actionable insights, Re-Twin simulated a 10 MW / 20 MWh BESS operating in the German market. Two strategies were tested under identical technical conditions: a ",{"type":26,"tag":66,"props":1807,"children":1808},{},[1809],{"type":43,"value":1810},"baseline day-ahead",{"type":43,"value":1812}," approach and a ",{"type":26,"tag":66,"props":1814,"children":1815},{},[1816],{"type":43,"value":1817},"fully merchant",{"type":43,"value":1819}," strategy designed to capture additional value from intraday and ancillary markets.",{"type":26,"tag":39,"props":1821,"children":1822},{},[1823],{"type":43,"value":1824},"The results were clear: the fully merchant strategy (green line) consistently outperformed the day-ahead benchmark (blue line), achieving annualized revenues of €94 k and €210 k per MW respectively.",{"type":26,"tag":39,"props":1826,"children":1827},{},[1828,1830,1835],{"type":43,"value":1829},"These findings define a ",{"type":26,"tag":66,"props":1831,"children":1832},{},[1833],{"type":43,"value":1834},"performance floor",{"type":43,"value":1836}," — a realistic minimum expectation of what a well-optimized asset can achieve in real market conditions. If the actual trading results fall consistently below this floor, it triggers a non-confrontational conversation aimed at optimization, helping both the asset owner and the trader understand why the actual results deviated from the realistic potential.",{"type":26,"tag":39,"props":1838,"children":1839},{},[1840],{"type":43,"value":1841},"By comparing simulated and actual results, operators can pinpoint why performance diverged, validate business-case assumptions, and focus on specific improvements that drive higher returns.",{"type":26,"tag":39,"props":1843,"children":1844},{},[1845,1847,1851],{"type":43,"value":1846},"Beyond back testing, Live Benchmarking also projects ",{"type":26,"tag":66,"props":1848,"children":1849},{},[1850],{"type":43,"value":1686},{"type":43,"value":1852},", allowing teams to test new strategies or tweak trading preferences in real time — turning data into a continuous learning loop for performance optimization.",{"type":26,"tag":46,"props":1854,"children":1856},{"id":1855},"_4-the-eco-stor-edge-driving-continuous-optimization",[1857],{"type":26,"tag":66,"props":1858,"children":1859},{},[1860],{"type":43,"value":1861},"4. The ECO STOR Edge: Driving Continuous Optimization",{"type":26,"tag":39,"props":1863,"children":1864},{},[1865],{"type":43,"value":1866},"The simulations gave ECO STOR a clear and data-backed view of their assets' performance potential. By comparing their actual trading results against these custom virtual benchmarks, ECO STOR gains strategic insights:",{"type":26,"tag":143,"props":1868,"children":1869},{},[1870,1880,1890],{"type":26,"tag":62,"props":1871,"children":1872},{},[1873,1878],{"type":26,"tag":66,"props":1874,"children":1875},{},[1876],{"type":43,"value":1877},"Aligning Partners:",{"type":43,"value":1879}," The benchmark serves as a reliable, objective reference for tracking day-to-day performance and evaluating strategic decisions.",{"type":26,"tag":62,"props":1881,"children":1882},{},[1883,1888],{"type":26,"tag":66,"props":1884,"children":1885},{},[1886],{"type":43,"value":1887},"Identifying Constraints:",{"type":43,"value":1889}," ECO STOR can identify instances where operational limits (like ramping, timing, or forecast uncertainty) reduced potential revenues.",{"type":26,"tag":62,"props":1891,"children":1892},{},[1893,1898,1900,1905],{"type":26,"tag":66,"props":1894,"children":1895},{},[1896],{"type":43,"value":1897},"Refining Strategy:",{"type":43,"value":1899}," This insight becomes the foundation for ",{"type":26,"tag":66,"props":1901,"children":1902},{},[1903],{"type":43,"value":1904},"continuous optimization",{"type":43,"value":1906}," —fine-tuning the strategy and ensuring the asset's behavior is fully aligned with market realities.",{"type":26,"tag":46,"props":1908,"children":1910},{"id":1909},"_5-the-roadmap-for-future-success",[1911],{"type":26,"tag":66,"props":1912,"children":1913},{},[1914],{"type":43,"value":1915},"5. The Roadmap for Future Success",{"type":26,"tag":39,"props":1917,"children":1918},{},[1919,1921,1926],{"type":43,"value":1920},"Building on these results, ",{"type":26,"tag":66,"props":1922,"children":1923},{},[1924],{"type":43,"value":1925},"ECO STOR and Re-Twin",{"type":43,"value":1927}," plan to expand Live Benchmarking across more assets, markets, and time periods.",{"type":26,"tag":39,"props":1929,"children":1930},{},[1931,1933],{"type":43,"value":1932},"The next step focuses on turning virtual insights into real-world performance testing new strategies, improving forecasts, and integrating benchmark data into ",{"type":26,"tag":66,"props":1934,"children":1935},{},[1936],{"type":43,"value":1937},"automated portfolio optimization.",{"type":26,"tag":39,"props":1939,"children":1940},{},[1941,1943,1948,1950,1955],{"type":43,"value":1942},"This approach also strengthens ",{"type":26,"tag":66,"props":1944,"children":1945},{},[1946],{"type":43,"value":1947},"financial reporting",{"type":43,"value":1949},", providing investors with transparent, data-backed performance metrics, and supports ",{"type":26,"tag":66,"props":1951,"children":1952},{},[1953],{"type":43,"value":1954},"insurance use cases",{"type":43,"value":1956}," where validated benchmarks help manage market risk",{"type":26,"tag":596,"props":1958,"children":1959},{"author":1609},[],{"type":26,"tag":600,"props":1961,"children":1962},{":blog":602,":type":603},[],{"type":26,"tag":606,"props":1964,"children":1965},{},[],{"type":26,"tag":610,"props":1967,"children":1968},{},[],{"type":26,"tag":614,"props":1970,"children":1971},{},[],{"title":7,"searchDepth":618,"depth":618,"links":1973},[1974,1975,1976,1977,1978],{"id":1623,"depth":621,"text":1629},{"id":1652,"depth":621,"text":1658},{"id":1789,"depth":621,"text":1795},{"id":1855,"depth":621,"text":1861},{"id":1909,"depth":621,"text":1915},"content:blog:turning-vt-into-custom-benchmarks.md","blog/turning-vt-into-custom-benchmarks.md","blog/turning-vt-into-custom-benchmarks",{"loc":1605},{"_path":1984,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":1985,"description":1986,"publishedAt":1987,"author":11,"tags":1988,"image":1989,"readingTime":621,"body":1990,"_type":629,"_id":2233,"_source":631,"_file":2234,"_stem":2235,"_extension":634,"sitemap":2236},"/blog/italy-storage-systems","Italy’s Energy Storage Market: Policy, potential and pitfalls","Italy may be best known for its sun-drenched rooftops and scenic countryside, but its energy sector is rapidly making headlines for another reason: battery energy storage.","11-15-2025",[1440,1441],"/images/blog/italy-storage-systems/italy-flag.webp",{"type":23,"children":1991,"toc":2225},[1992,1997,2001,2009,2014,2020,2039,2044,2077,2083,2102,2107,2112,2118,2123,2128,2134,2139,2151,2157,2162,2205,2210,2213,2216,2219,2222],{"type":26,"tag":27,"props":1993,"children":1996},{"alt":1994,"caption":7,"fit":31,"position":1995,"src":1989},"Italy Country Flag","center",[],{"type":26,"tag":34,"props":1998,"children":2000},{":reading-time":1073,"author":11,"date":1987,"title":1999},"Italy’s Energy Storage Market: Policy, potential and pitfalls'",[],{"type":26,"tag":46,"props":2002,"children":2004},{"id":2003},"italys-energy-storage-market-policy-potential-and-pitfalls",[2005],{"type":26,"tag":66,"props":2006,"children":2007},{},[2008],{"type":43,"value":1985},{"type":26,"tag":39,"props":2010,"children":2011},{},[2012],{"type":43,"value":2013},"Italy may be best known for its sun-drenched rooftops and scenic countryside, but its energy sector is rapidly making headlines for another reason: battery energy storage. As solar and wind installations proliferate across the peninsula, batteries are becoming essential to unlocking their full potential and Italy is quietly building one of Europe’s most dynamic energy storage markets.",{"type":26,"tag":46,"props":2015,"children":2017},{"id":2016},"a-market-gaining-momentum",[2018],{"type":43,"value":2019},"A Market Gaining Momentum",{"type":26,"tag":39,"props":2021,"children":2022},{},[2023,2025,2030,2032,2037],{"type":43,"value":2024},"In recent years, Italy has made strides in integrating renewable energy. Now, it’s doubling down on grid flexibility through large-scale battery energy storage systems (BESS). With over ",{"type":26,"tag":66,"props":2026,"children":2027},{},[2028],{"type":43,"value":2029},"5 GW",{"type":43,"value":2031}," of BESS already installed and a government target of ",{"type":26,"tag":66,"props":2033,"children":2034},{},[2035],{"type":43,"value":2036},"50 GWh",{"type":43,"value":2038}," by 2030, the shift from small residential batteries to utility-scale infrastructure is underway.",{"type":26,"tag":39,"props":2040,"children":2041},{},[2042],{"type":43,"value":2043},"What's driving this acceleration? Several factors:",{"type":26,"tag":143,"props":2045,"children":2046},{},[2047,2057,2067],{"type":26,"tag":62,"props":2048,"children":2049},{},[2050,2055],{"type":26,"tag":66,"props":2051,"children":2052},{},[2053],{"type":43,"value":2054},"A favorable policy framework",{"type":43,"value":2056},", including long-term incentive schemes and grid services access.",{"type":26,"tag":62,"props":2058,"children":2059},{},[2060,2065],{"type":26,"tag":66,"props":2061,"children":2062},{},[2063],{"type":43,"value":2064},"Growing investor appetite",{"type":43,"value":2066},", as demonstrated by international developers committing to gigawatt-scale BESS pipelines.",{"type":26,"tag":62,"props":2068,"children":2069},{},[2070,2075],{"type":26,"tag":66,"props":2071,"children":2072},{},[2073],{"type":43,"value":2074},"An evolving energy landscape",{"type":43,"value":2076},", where price volatility and grid stability needs are creating lucrative revenue opportunities for batteries.",{"type":26,"tag":46,"props":2078,"children":2080},{"id":2079},"support-schemes-designed-for-scale",[2081],{"type":43,"value":2082},"Support Schemes Designed for Scale",{"type":26,"tag":39,"props":2084,"children":2085},{},[2086,2088,2093,2095,2100],{"type":43,"value":2087},"Italy is supporting its BESS ambitions with a two-track system: a ",{"type":26,"tag":66,"props":2089,"children":2090},{},[2091],{"type":43,"value":2092},"capacity market",{"type":43,"value":2094}," and the new ",{"type":26,"tag":66,"props":2096,"children":2097},{},[2098],{"type":43,"value":2099},"MACSE",{"type":43,"value":2101}," auction scheme. The capacity market has already helped kick-start deployment, particularly in Northern Italy, with gigawatts of battery projects set to enter operation for delivery years 2025 and 2026.",{"type":26,"tag":39,"props":2103,"children":2104},{},[2105],{"type":43,"value":2106},"Meanwhile, MACSE introduces a 15-year revenue support mechanism for storage projects — a key draw for institutional investors looking for predictability. With an inaugural auction slated for September, the scheme targets long-duration storage (up to 8 hours) and is initially focused on Southern Italy.",{"type":26,"tag":39,"props":2108,"children":2109},{},[2110],{"type":43,"value":2111},"The combination of competitive fixed payments and grid service access is expected to yield strong internal rates of return. In fact, recent analysis shows IRRs of over 9% for supported projects and even higher for some merchant opportunities.",{"type":26,"tag":46,"props":2113,"children":2115},{"id":2114},"bureaucracy-still-a-barrier",[2116],{"type":43,"value":2117},"Bureaucracy Still a Barrier",{"type":26,"tag":39,"props":2119,"children":2120},{},[2121],{"type":43,"value":2122},"While the fundamentals are promising, developers and investors must navigate Italy’s intricate regulatory environment. Although efforts have been made to simplify permitting, complexities remain — particularly for standalone projects.",{"type":26,"tag":39,"props":2124,"children":2125},{},[2126],{"type":43,"value":2127},"A recent legislative change shifted approval authority from the national to the regional level for many BESS projects. While the intent is to streamline local decision-making, some regions are unprepared to process the influx of applications. The risk of delays or inconsistent rulings remains high, reinforcing the value of partnering with experienced local firms.",{"type":26,"tag":46,"props":2129,"children":2131},{"id":2130},"a-local-market-with-global-implications",[2132],{"type":43,"value":2133},"A Local Market with Global Implications",{"type":26,"tag":39,"props":2135,"children":2136},{},[2137],{"type":43,"value":2138},"Italy’s storage expansion is driven largely by domestic needs: balancing its own grid and managing intermittent solar generation. Geography and infrastructure limitations mean that cross-border export of flexibility services is limited, so the Italian storage market is, for now, focused inward.",{"type":26,"tag":39,"props":2140,"children":2141},{},[2142,2144,2149],{"type":43,"value":2143},"That said, the scale of activity is substantial. Grid connection requests for BESS have surpassed ",{"type":26,"tag":66,"props":2145,"children":2146},{},[2147],{"type":43,"value":2148},"300 GW",{"type":43,"value":2150},", far exceeding the national target — a clear signal of intense developer interest. Although not all projects will materialize, the pipeline underscores the competitiveness of Italy’s evolving energy ecosystem.",{"type":26,"tag":46,"props":2152,"children":2154},{"id":2153},"what-to-watch",[2155],{"type":43,"value":2156},"What to Watch",{"type":26,"tag":39,"props":2158,"children":2159},{},[2160],{"type":43,"value":2161},"As Italy’s first MACSE auction approaches, and new capacity market rounds loom on the horizon, several themes will shape the next phase of development:",{"type":26,"tag":143,"props":2163,"children":2164},{},[2165,2175,2185,2195],{"type":26,"tag":62,"props":2166,"children":2167},{},[2168,2173],{"type":26,"tag":66,"props":2169,"children":2170},{},[2171],{"type":43,"value":2172},"Regional alignment",{"type":43,"value":2174}," on permitting and planning",{"type":26,"tag":62,"props":2176,"children":2177},{},[2178,2183],{"type":26,"tag":66,"props":2179,"children":2180},{},[2181],{"type":43,"value":2182},"Clarity on grid services participation",{"type":43,"value":2184}," for storage assets",{"type":26,"tag":62,"props":2186,"children":2187},{},[2188,2193],{"type":26,"tag":66,"props":2189,"children":2190},{},[2191],{"type":43,"value":2192},"Continued market reform",{"type":43,"value":2194}," to ensure storage is treated on par with generation assets",{"type":26,"tag":62,"props":2196,"children":2197},{},[2198,2203],{"type":26,"tag":66,"props":2199,"children":2200},{},[2201],{"type":43,"value":2202},"Strategic co-location",{"type":43,"value":2204}," of BESS with solar and wind to maximize value",{"type":26,"tag":39,"props":2206,"children":2207},{},[2208],{"type":43,"value":2209},"Italy’s path to becoming a storage leader is not without obstacles. But with strong fundamentals, rising investor interest, and a policy environment that is steadily maturing, the country is well on its way to becoming Europe’s next big BESS success story.",{"type":26,"tag":596,"props":2211,"children":2212},{"author":11},[],{"type":26,"tag":600,"props":2214,"children":2215},{":blog":602,":type":603},[],{"type":26,"tag":606,"props":2217,"children":2218},{},[],{"type":26,"tag":610,"props":2220,"children":2221},{},[],{"type":26,"tag":614,"props":2223,"children":2224},{},[],{"title":7,"searchDepth":618,"depth":618,"links":2226},[2227,2228,2229,2230,2231,2232],{"id":2003,"depth":621,"text":1985},{"id":2016,"depth":621,"text":2019},{"id":2079,"depth":621,"text":2082},{"id":2114,"depth":621,"text":2117},{"id":2130,"depth":621,"text":2133},{"id":2153,"depth":621,"text":2156},"content:blog:italy-storage-systems.md","blog/italy-storage-systems.md","blog/italy-storage-systems",{"loc":1984},{"_path":2238,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":2239,"description":2240,"publishedAt":2241,"author":2242,"tags":2243,"image":2244,"readingTime":21,"body":2245,"_type":629,"_id":2794,"_source":631,"_file":2795,"_stem":2796,"_extension":634,"sitemap":2797},"/blog/regelleistung-blog","Lohnen sich Speicherprojekte allein durch Spot-Vermarktung?","Batteriespeichersysteme (BESS) sind eine der am schnellsten wachsenden Technologien der Energiewende, alleine in Deutschland werden aktuell.","09-24-2025","Regelleistung Online",[1440,1441],"/images/blog/regelleistung-blog/image.webp",{"type":23,"children":2246,"toc":2786},[2247,2252,2255,2264,2300,2305,2314,2327,2332,2341,2346,2360,2369,2374,2379,2407,2435,2463,2472,2477,2482,2503,2522,2527,2532,2537,2542,2556,2565,2570,2575,2580,2585,2590,2602,2607,2612,2620,2625,2639,2650,2654,2665,2676,2687,2698,2715,2726,2737,2754,2774,2777,2780,2783],{"type":26,"tag":27,"props":2248,"children":2251},{"alt":1448,"caption":7,"fit":2249,"position":2250,"src":2244},"cover","bottom",[],{"type":26,"tag":34,"props":2253,"children":2254},{":reading-time":36,"author":2242,"date":2241,"title":2239},[],{"type":26,"tag":46,"props":2256,"children":2258},{"id":2257},"lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung",[2259],{"type":26,"tag":66,"props":2260,"children":2261},{},[2262],{"type":43,"value":2263},"Lohnen sich ein Speicherprojekte alleine durch Spot-Vermarktung?",{"type":26,"tag":39,"props":2265,"children":2266},{},[2267,2269,2276,2278,2285,2287,2293,2295],{"type":43,"value":2268},"Batteriespeichersysteme (BESS) sind eine der am schnellsten wachsenden Technologien der Energiewende, alleine in Deutschland werden aktuell ",{"type":26,"tag":562,"props":2270,"children":2273},{"href":2271,"rel":2272},"https://www.regelleistung-online.de/ueber-500-gw-an-netzanschlussanfragen-fuer-batteriespeicher/",[566],[2274],{"type":43,"value":2275},"über 500 GW an Speicherleistung",{"type":43,"value":2277}," geplant. Durch den wachsenden Ausbau steigt jedoch auch immer mehr das Risiko der Kannibalisierung. Daher untersuchen wir gemeinsam in diesem Artikel zusammen mit ",{"type":26,"tag":562,"props":2279,"children":2282},{"href":2280,"rel":2281},"https://www.linkedin.com/in/christian-sch%C3%A4fer-b47b78121/",[566],[2283],{"type":43,"value":2284},"Christian Schäfer",{"type":43,"value":2286},"  von ",{"type":26,"tag":562,"props":2288,"children":2291},{"href":2289,"rel":2290},"https://www.regelleistung-online.de/",[566],[2292],{"type":43,"value":2242},{"type":43,"value":2294}," die Frage: ",{"type":26,"tag":66,"props":2296,"children":2297},{},[2298],{"type":43,"value":2299},"Ist es möglich, in Deutschland ein rentables BESS-Projekt zu bauen, das ausschließlich im Day-Ahead-Markt handelt?",{"type":26,"tag":39,"props":2301,"children":2302},{},[2303],{"type":43,"value":2304},"In dieser gemeinsamen Analyse haben wir uns vorgenommen, diese Frage unter realistischen Annahmen zu beantworten. Unser Ziel ist es, die wirtschaftlichen Grenzen der Merchant-Speicherung zu verstehen und den Kostenpunkt zu ermitteln, bei dem ein solches Projekt eine interne Rendite (IRR) von 10 % erzielen könnte, eine gängige Schwelle für Investoren. Ein IRR von 10 % ist bereits unter den heutigen Rahmenbedingungen attraktiv, wird aber besonders interessant, wenn ein Projekt mit einer Mischung aus Fremd- und Eigenkapital finanziert wird. Ein kommerzieller Batteriespeicher kann somit auch ohne Subventionen oder langfristige Ertragsgarantien interessant sein, sofern Kosten und Leistung aufeinander abgestimmt sind.",{"type":26,"tag":46,"props":2306,"children":2308},{"id":2307},"annahmen",[2309],{"type":26,"tag":66,"props":2310,"children":2311},{},[2312],{"type":43,"value":2313},"Annahmen",{"type":26,"tag":39,"props":2315,"children":2316},{},[2317,2319,2325],{"type":43,"value":2318},"Zu diesem Zweck haben wir ein Stand-Alone Batteriesystem mit einer Leistung von 10 MW und einer nutzbaren Energiekapazität von 20 MWh (100 % verfügbar, keine Begrenzung des maximalen und minimalen Lade- und Entladestands) modelliert. Wir gehen von einer Projektlaufzeit von 15 Jahren, einem Rundlaufwirkungsgrad (RTE) von 90 % und Betriebskosten in Höhe von 15 EUR/kW aus, was in Relation zu den CAPEX unseres Projektes ein relativ konservativer Wert ist. Degradationseffekte werden in dieser spezifischen Analyse nicht berücksichtigt, da wir uns auf eine einjährige Umsatzbetrachtung konzentrieren. Für mehrjährige Simulationen können solche Effekte auf der ",{"type":26,"tag":562,"props":2320,"children":2322},{"href":564,"rel":2321},[566],[2323],{"type":43,"value":2324},"Re-Twin-Plattform",{"type":43,"value":2326}," vollständig modelliert werden.",{"type":26,"tag":39,"props":2328,"children":2329},{},[2330],{"type":43,"value":2331},"Das System nimmt nur am deutschen EPEX SPOT-Day-Ahead-Markt teil. Andere Einnahmequellen wie Regelleistung, Intraday-Handel oder Kapazitätszahlungen sind nicht berücksichtigt (nur zum Vergleich dargestellt). Die Finanzierung basiert auf Kapitalkosten von 7% (WACC).",{"type":26,"tag":46,"props":2333,"children":2335},{"id":2334},"wie-bess-im-day-ahead-markt-geld-verdient",[2336],{"type":26,"tag":66,"props":2337,"children":2338},{},[2339],{"type":43,"value":2340},"Wie BESS im Day-Ahead-Markt Geld verdient",{"type":26,"tag":39,"props":2342,"children":2343},{},[2344],{"type":43,"value":2345},"Die Einnahmen im Day-Ahead-Markt stammen aus einem Kernmechanismus: Günstig kaufen und teuer verkaufen. Batterien werden aufgeladen, wenn die Preise niedrig sind, in der Regel mittags, wenn viel Solarenergie verfügbar ist, und entladen, wenn die Preise steigen, häufig in der Abendzeit. Auf dem Papier scheint das einfach – in der Praxis ist es jedoch komplexer. Im Gegensatz zum Markt für Frequenzhaltungsreserven (FCR) oder dem Echtzeit-Intraday-Handel ist der Day-Ahead-Markt relativ stabil. Diese Stabilität bedeutet oft geringere Preisspannen und weniger Fenster für profitable Arbitrage.",{"type":26,"tag":39,"props":2347,"children":2348},{},[2349,2351,2358],{"type":43,"value":2350},"Im Jahr 2023 lag die durchschnittliche täglichen Spreads (Differenz zwischen dem höchsten und dem niedrigsten Stundenpreis) auf dem Day-Ahead-Markt in Deutschland häufig zwischen 70 und 90 Euro pro MWh. Die nutzbaren Spreads, also diejenigen, die nach Berücksichtigung von Effizienzverlusten tatsächlich eine profitable Chance bieten, waren jedoch erheblich geringer. Laut Aurora Energy Research erzielten kommerzielle Batteriesysteme in Deutschland im Jahr 2023 zwischen 25.000 und 45.000 Euro pro MW-Jahr aus dem Day-Ahead-Handel, wobei es je nach Volatilität erhebliche Schwankungen zwischen den Monaten und Regionen gab.",{"type":26,"tag":562,"props":2352,"children":2355},{"href":2353,"rel":2354},"https://www.regelleistung-online.de/lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung/#_ftn1",[566],[2356],{"type":43,"value":2357},"[1]",{"type":43,"value":2359}," Allerdings ist die Einschätzung von Aurora als relativ konservativ anzusehen. Branchenangaben deuten darauf hin, dass beispielsweise bei höheren Zyklusraten oder aggressiveren Handelsstrategien unter günstigen Bedingungen auf dem Spotmarkt Einnahmen von 60.000 bis 70.000 Euro pro MW und Jahr erzielt werden konnten.",{"type":26,"tag":46,"props":2361,"children":2363},{"id":2362},"was-ist-erforderlich-um-die-gewinnschwelle-zu-erreichen",[2364],{"type":26,"tag":66,"props":2365,"children":2366},{},[2367],{"type":43,"value":2368},"Was ist erforderlich, um die Gewinnschwelle zu erreichen?",{"type":26,"tag":39,"props":2370,"children":2371},{},[2372],{"type":43,"value":2373},"Dies führt zu der entscheidenden Frage: Was wäre erforderlich, damit ein BESS-Projekt im Day-Ahead-Markt die Gewinnschwelle erreicht? Hier stützen wir uns auf unsere Modellierung, um die erforderlichen Einnahmen, Investitionsschwellen und CAPEX-Beschränkungen zu bewerten.",{"type":26,"tag":39,"props":2375,"children":2376},{},[2377],{"type":43,"value":2378},"Um die wirtschaftliche Tragfähigkeit eines solchen Projekts zu verstehen, müssen wir die Leitfrage in mehrere Teile zerlegen. Erstens: Wie hoch müssen die jährlichen Einnahmen sein, um eine Zielrendite von 10 % IRR zu erreichen? Zweitens, und noch schwieriger zu beantworten: Ab welchem Kostenpunkt (insbesondere für CAPEX) würden solche Einnahmen zu einer finanziellen Tragfähigkeit führen?",{"type":26,"tag":39,"props":2380,"children":2381},{},[2382,2384,2389,2391,2398,2400,2405],{"type":43,"value":2383},"Die CAPEX für Batterien sind in den letzten zehn Jahren stark gesunken, bleiben aber ein wesentliches Hindernis für die kommerzielle Speicherung. Im Jahr 2024 beliefen sich die Kosten für Batteriesysteme im Versorgungsmaßstab in Europa laut BloombergNEF auf ",{"type":26,"tag":66,"props":2385,"children":2386},{},[2387],{"type":43,"value":2388},"600 bis 800 Euro pro Kilowattstunde",{"type":43,"value":2390}," (kWh) auf Turnkey-Basis.",{"type":26,"tag":562,"props":2392,"children":2395},{"href":2393,"rel":2394},"https://www.regelleistung-online.de/lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung/#_ftn2",[566],[2396],{"type":43,"value":2397},"[2]",{"type":43,"value":2399}," Davon entfielen rund ",{"type":26,"tag":66,"props":2401,"children":2402},{},[2403],{"type":43,"value":2404},"50 bis 60 %",{"type":43,"value":2406}," auf Batteriezellen**,** während die restlichen Kosten auf Stromumwandlungssysteme, Netzanschluss, Bauarbeiten, Projektentwicklung und andere Systemkomponenten (BoS) entfielen.",{"type":26,"tag":39,"props":2408,"children":2409},{},[2410,2412,2419,2421,2426,2428],{"type":43,"value":2411},"Die „Stromspeicher-Inspektion 2024” des Fraunhofer ISE bestätigt ähnliche Zahlen und prognostiziert für die kommenden Jahre einen moderaten Rückgang, der auf die Produktionsgröße, Verbesserungen bei der Rohstoffbeschaffung und den zunehmenden globalen Wettbewerb zurückzuführen ist.",{"type":26,"tag":562,"props":2413,"children":2416},{"href":2414,"rel":2415},"https://www.regelleistung-online.de/lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung/#_ftn3",[566],[2417],{"type":43,"value":2418},"[3]",{"type":43,"value":2420}," Bis 2030 erwarten mehrere Prognosen, darunter auch die des Gemeinsamen Forschungszentrums der EU, dass die durchschnittlichen Investitionskosten für Batterien im Versorgungsmaßstab in Europa unter ",{"type":26,"tag":66,"props":2422,"children":2423},{},[2424],{"type":43,"value":2425},"400 €/kWh",{"type":43,"value":2427}," fallen werden**,** vorausgesetzt, die Lithium- und Arbeitsmärkte stabilisieren sich.",{"type":26,"tag":562,"props":2429,"children":2432},{"href":2430,"rel":2431},"https://www.regelleistung-online.de/lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung/#_ftn4",[566],[2433],{"type":43,"value":2434},"[4]",{"type":26,"tag":39,"props":2436,"children":2437},{},[2438,2440,2445,2447,2454,2456],{"type":43,"value":2439},"Jüngste Rückmeldungen aus dem Markt deuten jedoch darauf hin, dass diese Zahlen bereits veraltet sein könnten. Einige Entwickler, insbesondere diejenigen, die ihre Hardware aus China beziehen, berichten von Turnkey-Kosten von ",{"type":26,"tag":66,"props":2441,"children":2442},{},[2443],{"type":43,"value":2444},"unter 200 €/kWh.",{"type":43,"value":2446}," In mehreren aktuellen Projektverhandlungen wurden die Kosten für reine Batteriezellen von chinesischen Herstellern dank aggressiver Preisgestaltung und Überangebot auf dem Weltmarkt mit nur 50 bis 60 €/kWh angegeben",{"type":26,"tag":562,"props":2448,"children":2451},{"href":2449,"rel":2450},"https://www.regelleistung-online.de/lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung/#_ftn5",[566],[2452],{"type":43,"value":2453},"[5]",{"type":43,"value":2455},". Wenn die Kosten und der Integrationsaufwand weiter minimiert werden können, könnten diese Preise einen Wendepunkt für die kommerzielle Speicherung markieren.",{"type":26,"tag":562,"props":2457,"children":2460},{"href":2458,"rel":2459},"https://www.regelleistung-online.de/lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung/#_ftn6",[566],[2461],{"type":43,"value":2462},"[6]",{"type":26,"tag":46,"props":2464,"children":2466},{"id":2465},"unsere-ergebnisse-day-ahead-einnahmen-unter-realen-bedingungen",[2467],{"type":26,"tag":66,"props":2468,"children":2469},{},[2470],{"type":43,"value":2471},"Unsere Ergebnisse: Day-Ahead-Einnahmen unter realen Bedingungen",{"type":26,"tag":39,"props":2473,"children":2474},{},[2475],{"type":43,"value":2476},"Mithilfe der Investitionsmodellierungsplattform von Re-Twin haben wir ein 10 MW/20 MWh-BESS simuliert, das ausschließlich auf dem deutschen Day-Ahead-Markt unter den Bedingungen des Jahres 2024 betrieben wird. Die Analyse berücksichtigt neben der Effizienz des Speichers auch „Imperfect Foresight“.",{"type":26,"tag":39,"props":2478,"children":2479},{},[2480],{"type":43,"value":2481},"Wir haben dabei folgende Kostenannahmen zugrunde gelegt: Die Kosten für den Batteriepack wurden mit 185 €/kWh angesetzt, einschließlich EMS und Steuerungen, Speicher-PCS, HLK und Sicherheit, Systemintegration, Installation und Netzanschluss. Zusätzlich wurden 25 €/kWh für Projektentwicklungskosten und 50 €/kWh für weitere Kosten und Unvorhergesehenes veranschlagt. Die Kapitalkosten wurden ohne Berücksichtigung der Inflation mit 7 % angesetzt. Daraus ergibt sich eine Gesamtinvestition von 5,2 Millionen Euro, von denen 3,7 Millionen Euro auf die CAPEX für den Batteriepack entfallen.",{"type":26,"tag":39,"props":2483,"children":2484},{},[2485,2487,2492,2494,2501],{"type":43,"value":2486},"Unsere Ergebnisse zeigen für 2024 einen ",{"type":26,"tag":66,"props":2488,"children":2489},{},[2490],{"type":43,"value":2491},"Jahresumsatz von 70.230 € pro MW",{"type":43,"value":2493},", basierend auf realen historischen Preisdaten und einem typischen BESS-Verhalten (für 2023 sehen wir einen niedrigeren Wert von 60.530 € pro MW).",{"type":26,"tag":562,"props":2495,"children":2498},{"href":2496,"rel":2497},"https://www.regelleistung-online.de/lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung/#_ftn7",[566],[2499],{"type":43,"value":2500},"[7]",{"type":43,"value":2502}," Dies liegt unter einigen akademischen Schätzungen. Methodische Unterschiede erklären jedoch diese Diskrepanz: Andere Simulationen gehen oft von perfekter Vorhersagbarkeit und vereinfachten Batterieprofilen aus, während der Re-Twin-Ansatz einen rollierenden Ladezustand und konservativere Annahmen zur betrieblichen Flexibilität verwendet.",{"type":26,"tag":39,"props":2504,"children":2505},{},[2506,2508,2513,2515,2520],{"type":43,"value":2507},"Als Referenzwert haben wir mit derselben Plattform auch ein ",{"type":26,"tag":66,"props":2509,"children":2510},{},[2511],{"type":43,"value":2512},"„Perfect Foresight“ Szenario",{"type":43,"value":2514}," simuliert, das für 2024 einen Wert von ",{"type":26,"tag":66,"props":2516,"children":2517},{},[2518],{"type":43,"value":2519},"82.930",{"type":43,"value":2521}," EUR/MW/Jahr ergibt. Dieser optimale Wert ist für Benchmarking-Zwecke hilfreich, wird jedoch bei reiner Spotvermarktung als unrealistisch angesehen, da er davon ausgeht, dass Händler die Marktpreise im Voraus kennen und die Batteriekapazität fehlerfrei voll ausnutzen können. Für eine investorenorientierte Planung empfehlen wir daher, sich auf „Imperfect Foresight“ Szenarien zu stützen, die die realen Herausforderungen der Marktprognosen und des Batteriebetriebs besser widerspiegeln.",{"type":26,"tag":39,"props":2523,"children":2524},{},[2525],{"type":43,"value":2526},"Selbst unter der Annahme der “Imperfect Foresight“ weist das Projekt jedoch bereits einen positiven IRR von ca. 7,5 % auf. Dies deutet darauf hin, dass das Projekt bei Speicherkosten von 185 €/kWh plus Nebenkosten bereits fast die Renditeanforderungen erreicht. Mit weiter sinkenden Investitionskosten verbessert sich die Wirtschaftlichkeit von kommerziellen BESS im Day-Ahead-Markt trotz ihres relativ geringen Risikoprofils weiter.",{"type":26,"tag":270,"props":2528,"children":2531},{"alt":1703,"caption":2529,"src":2530},"Projekt-KPIs – nur Day-Ahead basierend auf Marktpreisen für 2024","/images/blog/regelleistung-blog/stats.webp",[],{"type":26,"tag":270,"props":2533,"children":2536},{"alt":1703,"caption":2534,"src":2535},"Day-Ahead-Erträge 2024 – Modellierung mit Perfect vs. Imperfect Foresight","/images/blog/regelleistung-blog/cover.webp",[],{"type":26,"tag":270,"props":2538,"children":2541},{"alt":1703,"caption":2539,"src":2540},"Day-Ahead-Erträge 2023–2024 – Modellierung inkl. “Imperfect Foresight“","/images/blog/regelleistung-blog/graph-1.webp",[],{"type":26,"tag":39,"props":2543,"children":2544},{},[2545,2547,2554],{"type":43,"value":2546},"Alle in dieser Analyse verwendeten Modellierungsdaten und Annahmen sind im öffentlichen ",{"type":26,"tag":562,"props":2548,"children":2551},{"href":2549,"rel":2550},"https://docs.re-twin.energy/",[566],[2552],{"type":43,"value":2553},"Re-Twin Methodology Portal",{"type":43,"value":2555}," transparent dokumentiert, einschließlich Parametern wie Preisprognoseunsicherheit, Degradationsmodellierung, Zyklusverhalten und Dispatch-Logik.",{"type":26,"tag":46,"props":2557,"children":2559},{"id":2558},"die-capex-herausforderung",[2560],{"type":26,"tag":66,"props":2561,"children":2562},{},[2563],{"type":43,"value":2564},"Die CAPEX-Herausforderung",{"type":26,"tag":39,"props":2566,"children":2567},{},[2568],{"type":43,"value":2569},"Wir haben auch die Sensitivität des IRR gegenüber unterschiedlichen Speicherkosten getestet, wobei alle anderen Annahmen & Nebenkosten konstant gehalten wurden. Wenn die Batteriepaketkosten in unseren Szenarien von 185 €/kWh auf 160 € – 100 €/kWh gesenkt werden, steigt der IRR stetig an. Unsere Analyse zeigt, dass ab 150 €/kWh das IRR-Ziel von 10 % erreicht werden kann.",{"type":26,"tag":270,"props":2571,"children":2574},{"alt":1703,"caption":2572,"src":2573},"Entwicklung von CAPEX und IRR – nur Day-Ahead-Handel basierend auf Marktpreisen von 2024","/images/blog/regelleistung-blog/graph-2.webp",[],{"type":26,"tag":39,"props":2576,"children":2577},{},[2578],{"type":43,"value":2579},"Obwohl unsere Analyse bestätigt, dass die heutigen CAPEX-Niveaus für Day-Ahead-Batterien in den meisten Szenarien zu hoch sind, um die Erwartungen der Investoren zu erfüllen, sehen wir, wie Kostensenkungen Projekte in den Zielrenditebereich bringen können. Praktisch bedeutet dies, dass bei Kosten für Batteriezellen deutlich unter 100 € pro kWh und Investitionskosten für die gesamte Speicherhardware im Bereich von 140 bis 150 €/kWh es nicht mehr lange dauert, bis Speicher nicht mehr auf Regelenergie oder Intraday-Märkte angewiesen sind.",{"type":26,"tag":39,"props":2581,"children":2582},{},[2583],{"type":43,"value":2584},"Aber es geht nicht nur um die Kosten der Batterie alleine. Auch Netzanschlusskosten spielen eine Rolle. Eine Reduzierung der Projektentwicklungskosten, eine Beschleunigung der Genehmigungsverfahren oder die Gewährung von Rabatten beim Baukostenzuschuss könnten die Gleichung verändern. In Deutschland machen BKZ-Kosten laut mehreren Entwicklern in der Regel bis zu 20 % der Gesamtprojektkosten aus. Gezielte Anreize oder vereinfachte Genehmigungsverfahren könnten daher sehr wirkungsvoll sein.",{"type":26,"tag":39,"props":2586,"children":2587},{},[2588],{"type":43,"value":2589},"Auch die Betriebskosten lassen sich optimieren. Viele kommerzielle Batteriebetreiber müssen Handelsgebühren oder Marketingkosten in Höhe von 10 Prozent oder mehr tragen. Hier ist in den letzten Jahren jedoch Bereits eine Entwicklung nach unten zu Beobachten.",{"type":26,"tag":39,"props":2591,"children":2592},{},[2593,2595],{"type":43,"value":2594},"Ebenso können Tolling-Verträge, bei denen ein Abnehmer eine feste jährliche Gebühr für den exklusiven Zugang zur Batteriekapazität zahlt, stabile Erträge gewährleisten und das Risiko verringern. Ein Beispiel ist der Tolling-Vertrag von Nofar Energy. Im Dezember 2024 unterzeichnete Nofar Energy einen wegweisenden 7-Jahres-Flexibility Purchase Agreement (FPA) mit Festpreis für sein 104,5 MW / 209 MWh Stendal BESS-Projekt in Deutschland, das weithin als erster physischer Tolling-Vertrag für ein BESS auf dem europäischen Festland gilt. Im Rahmen der Vereinbarung zahlt der Abnehmer von 2027 bis 2033 einen festen Gesamtbetrag von 85 bis 95 Millionen Euro, wodurch eine planbare Einnahmequelle geschaffen wird. Diese Struktur war entscheidend, um eine Projektfinanzierung in Höhe von 86,5 Millionen Euro von der NORD/LB zu erhalten.",{"type":26,"tag":562,"props":2596,"children":2599},{"href":2597,"rel":2598},"https://www.regelleistung-online.de/lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung/#_ftn8",[566],[2600],{"type":43,"value":2601},"[8]",{"type":26,"tag":39,"props":2603,"children":2604},{},[2605],{"type":43,"value":2606},"Unserer Einschätzung nach kann sich eine höhere Risikobereitschaft auf den Märkten auszahlen: Wenn wir die Batterie auf allen Märkten optimieren und alle verfügbaren Einnahmequellen einschließlich Zusatzdienstleistungen und Intraday-Märkten nutzen, hätte das System für 2024 einen Jahresumsatz von über 230.000 € pro MW erwirtschaften können. Dies entspricht einer hohen zweistelligen IRR und einer deutlich verkürzten Amortisationszeit.",{"type":26,"tag":270,"props":2608,"children":2611},{"alt":1703,"caption":2609,"src":2610},"Umsätze 2024 – nur Day-Ahead vs. Merchant-Revenue Stackin","/images/blog/regelleistung-blog/graph-3.webp",[],{"type":26,"tag":39,"props":2613,"children":2614},{},[2615],{"type":26,"tag":66,"props":2616,"children":2617},{},[2618],{"type":43,"value":2619},"Fazit",{"type":26,"tag":39,"props":2621,"children":2622},{},[2623],{"type":43,"value":2624},"Kann ein Batterieprojekt in Deutschland allein auf dem Day-Ahead-Markt die Gewinnschwelle erreichen? Die Antwort lautet: zunehmend ja, insbesondere da die Investitionskosten weiter sinken. Unsere Analyse zeigt, dass Projekte selbst unter konservativen Annahmen bald IRR-Niveaus erreichen, die für Investoren attraktiv sind.",{"type":26,"tag":39,"props":2626,"children":2627},{},[2628,2630,2637],{"type":43,"value":2629},"Die Aussichten sind vielversprechend, weitere Kostensenkungen scheinen möglich. Seit 2012 sind die CAPEX für Batterien im Großspeichersegment um rund 80 % gesunken und laut der Internationalen Energieagentur (IEA) wird bis 2030 ein weiterer Rückgang um 40 % erwartet.",{"type":26,"tag":562,"props":2631,"children":2634},{"href":2632,"rel":2633},"https://www.regelleistung-online.de/lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung/#_ftn9",[566],[2635],{"type":43,"value":2636},"[9]",{"type":43,"value":2638}," Die Marktstimmung deutet auf einen noch stärkeren Kostenrückgang hin, insbesondere bei den Preisen für Batteriezellen, der durch globale Überkapazitäten und den Wettbewerb durch asiatische Hersteller getrieben wird.",{"type":26,"tag":39,"props":2640,"children":2641},{},[2642,2644],{"type":43,"value":2643},"Die Verbindung aus zunehmend zugänglichen Möglichkeiten zur Umsatzsteigerung auf Spot-, Intraday- und Systemdienstleistungsmärkten in Kombination mit sinkenden Investitionskosten erklärt, ",{"type":26,"tag":562,"props":2645,"children":2647},{"href":2271,"rel":2646},[566],[2648],{"type":43,"value":2649},"warum aktuell so viele Projekte einen Netzanschluss anfragen.",{"type":26,"tag":2651,"props":2652,"children":2653},"hr",{},[],{"type":26,"tag":39,"props":2655,"children":2656},{},[2657,2663],{"type":26,"tag":562,"props":2658,"children":2661},{"href":2659,"rel":2660},"https://www.regelleistung-online.de/lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung/#_ftnref1",[566],[2662],{"type":43,"value":2357},{"type":43,"value":2664}," Aurora Energy Research, Ausblick für den europäischen Batteriemarkt 2023.",{"type":26,"tag":39,"props":2666,"children":2667},{},[2668,2674],{"type":26,"tag":562,"props":2669,"children":2672},{"href":2670,"rel":2671},"https://www.regelleistung-online.de/lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung/#_ftnref2",[566],[2673],{"type":43,"value":2397},{"type":43,"value":2675}," BloombergNEF, Batteriepreisumfrage 2024, abgerufen im Mai 2025",{"type":26,"tag":39,"props":2677,"children":2678},{},[2679,2685],{"type":26,"tag":562,"props":2680,"children":2683},{"href":2681,"rel":2682},"https://www.regelleistung-online.de/lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung/#_ftnref3",[566],[2684],{"type":43,"value":2418},{"type":43,"value":2686}," Fraunhofer ISE, Stromspeicher-Inspektion 2024, März 2024",{"type":26,"tag":39,"props":2688,"children":2689},{},[2690,2696],{"type":26,"tag":562,"props":2691,"children":2694},{"href":2692,"rel":2693},"https://www.regelleistung-online.de/lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung/#_ftnref4",[566],[2695],{"type":43,"value":2434},{"type":43,"value":2697}," Gemeinsame Forschungsstelle der Europäischen Kommission, Roadmap „Batterie 2030+“, 2023",{"type":26,"tag":39,"props":2699,"children":2700},{},[2701,2707,2709],{"type":26,"tag":562,"props":2702,"children":2705},{"href":2703,"rel":2704},"https://www.regelleistung-online.de/lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung/#_ftnref5",[566],[2706],{"type":43,"value":2453},{"type":43,"value":2708},"nextbigfuture.com: ",{"type":26,"tag":562,"props":2710,"children":2713},{"href":2711,"rel":2712},"https://www.nextbigfuture.com/2024/01/ev-lfp-battery-price-war-w-55-in-six-months.html",[566],[2714],{"type":43,"value":2711},{"type":26,"tag":39,"props":2716,"children":2717},{},[2718,2724],{"type":26,"tag":562,"props":2719,"children":2722},{"href":2720,"rel":2721},"https://www.regelleistung-online.de/lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung/#_ftnref6",[566],[2723],{"type":43,"value":2462},{"type":43,"value":2725}," Regelleistung.online-Recherche",{"type":26,"tag":39,"props":2727,"children":2728},{},[2729,2735],{"type":26,"tag":562,"props":2730,"children":2733},{"href":2731,"rel":2732},"https://www.regelleistung-online.de/lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung/#_ftnref7",[566],[2734],{"type":43,"value":2500},{"type":43,"value":2736}," Re-Twin Energy, Investitionsanalyseplattform",{"type":26,"tag":39,"props":2738,"children":2739},{},[2740,2746,2748],{"type":26,"tag":562,"props":2741,"children":2744},{"href":2742,"rel":2743},"https://www.regelleistung-online.de/lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung/#_ftnref8",[566],[2745],{"type":43,"value":2601},{"type":43,"value":2747}," PV magazine: ",{"type":26,"tag":562,"props":2749,"children":2752},{"href":2750,"rel":2751},"https://www.pv-magazine.com/2025/03/06/germanys-first-tolled-bess-secures-project-financing/",[566],[2753],{"type":43,"value":2750},{"type":26,"tag":39,"props":2755,"children":2756},{},[2757,2763,2765,2772],{"type":26,"tag":562,"props":2758,"children":2761},{"href":2759,"rel":2760},"https://www.regelleistung-online.de/lohnen-sich-ein-speicherprojekte-alleine-durch-spot-vermarktung/#_ftnref9",[566],[2762],{"type":43,"value":2636},{"type":43,"value":2764}," IEA: Quellehttps://",{"type":26,"tag":562,"props":2766,"children":2769},{"href":2767,"rel":2768},"http://www.iea.org/reports/batteries-and-secure-energy-transitions/outlook-for-battery-demand-and-supply",[566],[2770],{"type":43,"value":2771},"www.iea.org/reports/batteries-and-secure-energy-transitions/outlook-for-battery-demand-and-supply",{"type":43,"value":2773},"?",{"type":26,"tag":600,"props":2775,"children":2776},{":blog":602,":type":603},[],{"type":26,"tag":606,"props":2778,"children":2779},{},[],{"type":26,"tag":610,"props":2781,"children":2782},{},[],{"type":26,"tag":614,"props":2784,"children":2785},{},[],{"title":7,"searchDepth":618,"depth":618,"links":2787},[2788,2789,2790,2791,2792,2793],{"id":2257,"depth":621,"text":2263},{"id":2307,"depth":621,"text":2313},{"id":2334,"depth":621,"text":2340},{"id":2362,"depth":621,"text":2368},{"id":2465,"depth":621,"text":2471},{"id":2558,"depth":621,"text":2564},"content:blog:regelleistung-blog.md","blog/regelleistung-blog.md","blog/regelleistung-blog",{"loc":2238},{"_path":2799,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":2800,"description":2801,"publishedAt":2802,"author":11,"tags":2803,"image":2804,"readingTime":621,"body":2805,"_type":629,"_id":2952,"_source":631,"_file":2953,"_stem":2954,"_extension":634,"sitemap":2955},"/blog/spain-storage-moment","Spain’s Storage moment: Can Batteries catch up with the solar capacity","Spain has established itself as a solar powerhouse in Europe, but a quiet bottleneck threatens the momentum: energy storage. In 2024 alone, the country experienced more than 1,100 hours of zero or negative electricity prices — roughly equivalent to 45 days when renewable power had nowhere to go. This growing surplus signals both a success story and a challenge. Without adequate storage, clean energy is at risk of being wasted.","09-06-2025",[1440,1441],"/images/blog/spain-storage-moment/cover.webp",{"type":23,"children":2806,"toc":2946},[2807,2811,2815,2819,2824,2830,2835,2868,2873,2879,2884,2889,2894,2900,2905,2910,2915,2921,2926,2931,2934,2937,2940,2943],{"type":26,"tag":27,"props":2808,"children":2810},{"alt":2809,"caption":7,"fit":631,"src":2804},"Spain Flag",[],{"type":26,"tag":34,"props":2812,"children":2814},{":reading-time":1073,"author":11,"date":2802,"title":2813},"Spain’s Storage moment - Can Batteries catch up with the solar capacity",[],{"type":26,"tag":39,"props":2816,"children":2817},{},[2818],{"type":43,"value":2801},{"type":26,"tag":39,"props":2820,"children":2821},{},[2822],{"type":43,"value":2823},"Despite the need, grid-connected battery storage in Spain remains in its infancy. Current operational storage assets are heavily skewed toward pumped hydro, with battery energy storage systems (BESS) making up only a fraction of installed capacity. However, a convergence of policy shifts, regulatory incentives, and grid reform initiatives could mark 2025 as the year Spain’s storage sector begins to scale meaningfully.",{"type":26,"tag":46,"props":2825,"children":2827},{"id":2826},"the-policy-pieces-are-falling-into-place",[2828],{"type":43,"value":2829},"The Policy Pieces Are Falling into Place",{"type":26,"tag":39,"props":2831,"children":2832},{},[2833],{"type":43,"value":2834},"In recent months, the Spanish government has unveiled a series of measures aimed at unlocking grid flexibility and supporting new BESS projects. Among the most important developments are:",{"type":26,"tag":143,"props":2836,"children":2837},{},[2838,2848,2858],{"type":26,"tag":62,"props":2839,"children":2840},{},[2841,2846],{"type":26,"tag":66,"props":2842,"children":2843},{},[2844],{"type":43,"value":2845},"A national capacity mechanism",{"type":43,"value":2847}," that will provide batteries with grid capacity payments alongside arbitrage revenues.",{"type":26,"tag":62,"props":2849,"children":2850},{},[2851,2856],{"type":26,"tag":66,"props":2852,"children":2853},{},[2854],{"type":43,"value":2855},"A planned flexibility market",{"type":43,"value":2857},", expected to launch in 2025, that would open new revenue streams for batteries providing balancing and ancillary services.",{"type":26,"tag":62,"props":2859,"children":2860},{},[2861,2866],{"type":26,"tag":66,"props":2862,"children":2863},{},[2864],{"type":43,"value":2865},"Regulatory reform",{"type":43,"value":2867},", giving batteries equal priority with renewables when feeding electricity into the grid — a long-awaited move to level the playing field.",{"type":26,"tag":39,"props":2869,"children":2870},{},[2871],{"type":43,"value":2872},"Add to this a nearly €700 million public funding scheme, backed by European regional funds, to support energy storage development. The program could finance up to 3 GW of battery capacity in the coming years, helping bridge the gap to Spain’s 2030 storage target of 22.5 GW.",{"type":26,"tag":46,"props":2874,"children":2876},{"id":2875},"bureaucratic-bottlenecks-and-regional-resistance",[2877],{"type":43,"value":2878},"Bureaucratic Bottlenecks and Regional Resistance",{"type":26,"tag":39,"props":2880,"children":2881},{},[2882],{"type":43,"value":2883},"Despite these positive signs, developers face substantial obstacles. Navigating permitting remains a slow and fragmented process, especially for co-located projects where adding a battery to an existing solar plant could trigger a full new permitting cycle. Clarifying these rules and allowing simple addendums to existing permits would reduce friction and bring shovel-ready projects online faster.",{"type":26,"tag":39,"props":2885,"children":2886},{},[2887],{"type":43,"value":2888},"Another complication is the regional nature of planning in Spain. While the central government handles larger projects, autonomous communities have jurisdiction over smaller installations. That split has led to inconsistencies. For example, in Asturias, a regional moratorium on new storage sites has raised concerns that local opposition could stall national progress.",{"type":26,"tag":39,"props":2890,"children":2891},{},[2892],{"type":43,"value":2893},"The sector is calling for more legal clarity and consistent treatment of BESS, including recognition of their public utility value — which could simplify land use approval and access to critical infrastructure like substations.",{"type":26,"tag":46,"props":2895,"children":2897},{"id":2896},"investor-confidence-hinges-on-stability",[2898],{"type":43,"value":2899},"Investor Confidence Hinges on Stability",{"type":26,"tag":39,"props":2901,"children":2902},{},[2903],{"type":43,"value":2904},"For batteries to scale in Spain, investors need a reliable, long-term framework. Revenue uncertainty has been a persistent concern, especially when grid access, permitting, and connection fees remain ambiguous or costly.",{"type":26,"tag":39,"props":2906,"children":2907},{},[2908],{"type":43,"value":2909},"There’s optimism, however. Over 25 GW of storage project applications had been filed with Spain’s grid operator by early 2025, with 9 GW already approved. That pipeline shows investor appetite is strong — it just needs clearer pathways to materialize into real assets.",{"type":26,"tag":39,"props":2911,"children":2912},{},[2913],{"type":43,"value":2914},"Financial institutions and developers alike are watching closely to see how Spain defines the technical standards for battery participation in grid flexibility markets. If well-structured, these mechanisms could create a robust secondary revenue stream, improving the bankability of standalone and hybrid BESS projects alike.",{"type":26,"tag":46,"props":2916,"children":2918},{"id":2917},"whats-next",[2919],{"type":43,"value":2920},"What’s Next?",{"type":26,"tag":39,"props":2922,"children":2923},{},[2924],{"type":43,"value":2925},"Spain’s energy transformation is at a pivotal moment. The solar and wind pipeline is booming, and the grid is increasingly saturated during peak renewable production hours. If batteries are to keep pace and prevent renewable curtailment, then regulatory alignment, investor clarity, and regional cooperation must accelerate in parallel.",{"type":26,"tag":39,"props":2927,"children":2928},{},[2929],{"type":43,"value":2930},"The groundwork has been laid: ambitious targets, emerging markets, and a sizable pipeline of planned projects. Whether Spain can deliver on its storage potential depends on one thing — speed",{"type":26,"tag":596,"props":2932,"children":2933},{"author":11},[],{"type":26,"tag":600,"props":2935,"children":2936},{":blog":602,":type":603},[],{"type":26,"tag":606,"props":2938,"children":2939},{},[],{"type":26,"tag":610,"props":2941,"children":2942},{},[],{"type":26,"tag":614,"props":2944,"children":2945},{},[],{"title":7,"searchDepth":618,"depth":618,"links":2947},[2948,2949,2950,2951],{"id":2826,"depth":621,"text":2829},{"id":2875,"depth":621,"text":2878},{"id":2896,"depth":621,"text":2899},{"id":2917,"depth":621,"text":2920},"content:blog:spain-storage-moment.md","blog/spain-storage-moment.md","blog/spain-storage-moment",{"loc":2799},{"_path":2957,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":2958,"description":2959,"publishedAt":2960,"author":11,"tags":2961,"image":2962,"readingTime":621,"body":2963,"_type":629,"_id":3088,"_source":631,"_file":3089,"_stem":3090,"_extension":634,"sitemap":3091},"/blog/greece-energy-storage","Greece’s Energy Storage Era: A market awakens","Greece is entering a new phase in its clean energy transition. After years of leading southern Europe in solar power expansion, the country is now shifting its focus to energy storage, a critical move to ensure flexibility, grid stability, and continued momentum in renewables deployment.","09-03-2025",[1440,1441],"/images/blog/greece-energy-storage/cover.webp",{"type":23,"children":2964,"toc":3081},[2965,2969,2972,2976,2982,2987,2992,2998,3003,3008,3013,3019,3024,3029,3035,3040,3045,3051,3056,3061,3066,3069,3072,3075,3078],{"type":26,"tag":27,"props":2966,"children":2968},{"alt":2967,"caption":7,"fit":631,"src":2962},"Greece Flag",[],{"type":26,"tag":34,"props":2970,"children":2971},{":reading-time":1073,"author":11,"date":2960,"title":2958},[],{"type":26,"tag":39,"props":2973,"children":2974},{},[2975],{"type":43,"value":2959},{"type":26,"tag":46,"props":2977,"children":2979},{"id":2978},"from-solar-growth-to-storage-readiness",[2980],{"type":43,"value":2981},"From Solar Growth to Storage Readiness",{"type":26,"tag":39,"props":2983,"children":2984},{},[2985],{"type":43,"value":2986},"With solar installations growing rapidly, pushing national capacity toward its 2030 target years ahead of schedule, Greece has reached a turning point. The next frontier isn't just more solar, but rather the infrastructure to integrate it effectively. Energy storage systems, particularly battery installations, are quickly emerging as the logical next step.",{"type":26,"tag":39,"props":2988,"children":2989},{},[2990],{"type":43,"value":2991},"The country is now planning to scale up its grid-connected battery capacity significantly over the next five years. This includes both utility-scale and co-located storage projects, supported by a blend of public funding, auction mechanisms, and new merchant business models.",{"type":26,"tag":46,"props":2993,"children":2995},{"id":2994},"a-two-track-storage-strategy",[2996],{"type":43,"value":2997},"A Two-Track Storage Strategy",{"type":26,"tag":39,"props":2999,"children":3000},{},[3001],{"type":43,"value":3002},"Greece’s approach to storage development is shaping up along two parallel paths: regulated tenders and subsidy-free merchant deployments.",{"type":26,"tag":39,"props":3004,"children":3005},{},[3006],{"type":43,"value":3007},"In recent years, the government has run competitive tenders that provided upfront capital support and fixed revenues through long-term contracts. These auctions attracted major local and international players. However, a shift is now underway: public support is winding down, and the focus is turning to merchant-based models, where batteries earn their revenues by selling flexibility services to the market.",{"type":26,"tag":39,"props":3009,"children":3010},{},[3011],{"type":43,"value":3012},"This evolution reflects a broader European trend. Investors with a strong understanding of energy trading, flexibility markets, and ancillary services are well-positioned to thrive in this new environment, especially in grid-constrained regions where storage is urgently needed.",{"type":26,"tag":46,"props":3014,"children":3016},{"id":3015},"the-role-of-pumped-hydro-and-transmission-bottlenecks",[3017],{"type":43,"value":3018},"The Role of Pumped Hydro and Transmission Bottlenecks",{"type":26,"tag":39,"props":3020,"children":3021},{},[3022],{"type":43,"value":3023},"While batteries are gaining traction, Greece is also investing in large-scale pumped hydro energy storage. By repurposing decommissioned mining sites, the country is turning industrial scars into energy assets. These projects promise multi-hour discharge capability and long-term operational lifespans, making them key components in the national decarbonization plan.",{"type":26,"tag":39,"props":3025,"children":3026},{},[3027],{"type":43,"value":3028},"That said, the biggest challenge remains the grid. Grid access is a critical barrier, and many projects despite winning capacity in past auction are struggling to proceed due to slow connection approvals and infrastructure limitations. As a result, project developers are prioritizing areas where substations already exist or are under development.",{"type":26,"tag":46,"props":3030,"children":3032},{"id":3031},"behind-the-meter-still-waiting-to-bloom",[3033],{"type":43,"value":3034},"Behind-the-Meter: Still Waiting to Bloom",{"type":26,"tag":39,"props":3036,"children":3037},{},[3038],{"type":43,"value":3039},"In contrast to utility-scale projects, the market for commercial and residential behind-the-meter (BTM) batteries in Greece remains largely dormant. Policy uncertainty, limited revenue streams, and infrastructure limitations have kept this segment on the sidelines. Only now are early attempts to retrofit storage to existing solar sites gaining momentum, mostly through cooperative clusters of smaller installations sharing a single grid connection.",{"type":26,"tag":39,"props":3041,"children":3042},{},[3043],{"type":43,"value":3044},"However, the tipping point for behind-the-meter storage may not arrive until grid curtailment and negative pricing become common occurrences, conditions that are still a few years away.",{"type":26,"tag":46,"props":3046,"children":3048},{"id":3047},"what-lies-ahead",[3049],{"type":43,"value":3050},"What Lies Ahead",{"type":26,"tag":39,"props":3052,"children":3053},{},[3054],{"type":43,"value":3055},"Greece’s energy storage journey is just beginning, but its trajectory is clear. As the grid becomes increasingly saturated with renewable electricity, batteries will provide the flexibility needed to stabilize supply, unlock more generation, and enable the continued growth of clean energy.",{"type":26,"tag":39,"props":3057,"children":3058},{},[3059],{"type":43,"value":3060},"The government’s decision to prioritize storage in grid-constrained areas, coupled with investor appetite for market-based revenue models, signals a maturing landscape. Storage is no longer a bonus, it's becoming essential infrastructure.",{"type":26,"tag":39,"props":3062,"children":3063},{},[3064],{"type":43,"value":3065},"Developers and investors who move now will be best positioned to capture value from flexibility markets, energy trading, and future grid services. In the long term, Greece’s bet on energy storage may prove just as transformative as its early embrace of solar power.",{"type":26,"tag":596,"props":3067,"children":3068},{"author":11},[],{"type":26,"tag":600,"props":3070,"children":3071},{":blog":602,":type":603},[],{"type":26,"tag":606,"props":3073,"children":3074},{},[],{"type":26,"tag":610,"props":3076,"children":3077},{},[],{"type":26,"tag":614,"props":3079,"children":3080},{},[],{"title":7,"searchDepth":618,"depth":618,"links":3082},[3083,3084,3085,3086,3087],{"id":2978,"depth":621,"text":2981},{"id":2994,"depth":621,"text":2997},{"id":3015,"depth":621,"text":3018},{"id":3031,"depth":621,"text":3034},{"id":3047,"depth":621,"text":3050},"content:blog:greece-energy-storage.md","blog/greece-energy-storage.md","blog/greece-energy-storage",{"loc":2957},{"_path":3093,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":3094,"description":3095,"publishedAt":3096,"author":11,"tags":3097,"image":3100,"readingTime":646,"body":3101,"_type":629,"_id":3354,"_source":631,"_file":3355,"_stem":3356,"_extension":634,"sitemap":3357},"/blog/romania-a-hidden-powerhouse","Romania: A hidden powerhouse in Europe’s energy transition","As Europe races toward a decarbonized future, Romania is stepping into the spotlight as a nation with untapped energy reserves and strategic potential. Long known for its conventional energy legacy, the country is now poised to become a regional leader in the renewable energy transition. With a rich mix of natural gas, hydropower, solar, wind, and emerging technologies like green hydrogen and battery storage, Romania holds the keys to energy security and sustainability in Southeast Europe.","09-01-2025",[3098,1441,3099],"technology","AI","/images/blog/romania-a-hidden-powerhouse/cover.webp",{"type":23,"children":3102,"toc":3345},[3103,3107,3110,3114,3120,3125,3130,3136,3144,3149,3157,3162,3170,3175,3183,3188,3196,3201,3207,3212,3217,3223,3228,3233,3266,3271,3277,3282,3287,3293,3298,3303,3309,3314,3330,3333,3336,3339,3342],{"type":26,"tag":27,"props":3104,"children":3106},{"alt":3105,"caption":7,"fit":631,"src":3100},"Romania Flags",[],{"type":26,"tag":34,"props":3108,"children":3109},{":reading-time":655,"author":11,"date":3096,"title":3094},[],{"type":26,"tag":39,"props":3111,"children":3112},{},[3113],{"type":43,"value":3095},{"type":26,"tag":46,"props":3115,"children":3117},{"id":3116},"a-historic-energy-producer-with-a-new-purpose",[3118],{"type":43,"value":3119},"A Historic Energy Producer with a New Purpose",{"type":26,"tag":39,"props":3121,"children":3122},{},[3123],{"type":43,"value":3124},"Romania’s energy history is as deep as its reserves. It was the world’s first country to produce crude oil commercially and has operated natural gas fields since the early 20th century. Today, it stands as the EU’s top gas producer, after surpassing the Netherlands in 2023, a status that will be further bolstered when the Neptun Deep gas field in the Black Sea comes online in 2027.",{"type":26,"tag":39,"props":3126,"children":3127},{},[3128],{"type":43,"value":3129},"While natural gas is seen as a critical transition fuel, Romania’s real long-term opportunity lies in its abundant renewable resources. The Ministry of Energy’s current strategy envisions a forward-looking energy mix, one that balances its fossil fuel legacy with aggressive investments in clean technologies.",{"type":26,"tag":46,"props":3131,"children":3133},{"id":3132},"romanias-renewable-resource-map-from-wind-to-sun",[3134],{"type":43,"value":3135},"Romania’s Renewable Resource Map: From Wind to Sun",{"type":26,"tag":39,"props":3137,"children":3138},{},[3139],{"type":26,"tag":66,"props":3140,"children":3141},{},[3142],{"type":43,"value":3143},"Wind",{"type":26,"tag":39,"props":3145,"children":3146},{},[3147],{"type":43,"value":3148},"Romania boasts the largest untapped onshore wind power potential in the European Union. With over 21,000 km² of land suitable for wind farms, the country could generate up to 240 TWh annually from wind energy alone — more than four times its current total electricity consumption. The coastal Dobrogea region is already recognized as a regional wind powerhouse, and future developments in both onshore and offshore wind — particularly in the Black Sea — promise significant capacity expansions.",{"type":26,"tag":39,"props":3150,"children":3151},{},[3152],{"type":26,"tag":66,"props":3153,"children":3154},{},[3155],{"type":43,"value":3156},"Solar",{"type":26,"tag":39,"props":3158,"children":3159},{},[3160],{"type":43,"value":3161},"Southern and eastern Romania, including regions like Dobrogea and Oltenia, enjoy high solar irradiation and are well-suited for large-scale photovoltaic deployment. With nearly 7.6% of its land area deemed suitable for ground-mounted solar PV systems, Romania ranks second in the EU in terms of land availability. A 2024 report identified Romania among the top five EU nations with the highest untapped solar generation potential — alongside Spain, France, Portugal, and Italy.",{"type":26,"tag":39,"props":3163,"children":3164},{},[3165],{"type":26,"tag":66,"props":3166,"children":3167},{},[3168],{"type":43,"value":3169},"Hydropower",{"type":26,"tag":39,"props":3171,"children":3172},{},[3173],{"type":43,"value":3174},"Despite environmental constraints reducing the economically viable hydropower potential, Romania still derives nearly 28% of its electricity from this source. Upgrading aging infrastructure and investing in pumped hydro storage could help stabilize the grid while complementing more variable sources like wind and solar.",{"type":26,"tag":39,"props":3176,"children":3177},{},[3178],{"type":26,"tag":66,"props":3179,"children":3180},{},[3181],{"type":43,"value":3182},"Biomass and Biofuels",{"type":26,"tag":39,"props":3184,"children":3185},{},[3186],{"type":43,"value":3187},"Biomass represents another underdeveloped asset. Although Romania has an estimated biomass potential equivalent to 7.6 million tonnes of oil equivalent annually, it remains reliant on imported biofuels. Investments in biomethane production could help offset gas imports — with the European Commission projecting the potential to replace up to 80% of Romania’s gas imports with locally produced biomethane by 2030.",{"type":26,"tag":39,"props":3189,"children":3190},{},[3191],{"type":26,"tag":66,"props":3192,"children":3193},{},[3194],{"type":43,"value":3195},"Geothermal and Hydrogen",{"type":26,"tag":39,"props":3197,"children":3198},{},[3199],{"type":43,"value":3200},"Romania’s geothermal resources are underutilized, primarily due to high upfront costs and limited public support. Similarly, hydrogen is mostly used in industrial processes and produced via fossil fuels. However, Romania is among the EU countries exploring green hydrogen and synthetic methane as long-term decarbonization tools, supported by EU funds and pilot projects involving electrolysis.",{"type":26,"tag":46,"props":3202,"children":3204},{"id":3203},"a-modern-energy-mix-taking-shape",[3205],{"type":43,"value":3206},"A Modern Energy Mix Taking Shape",{"type":26,"tag":39,"props":3208,"children":3209},{},[3210],{"type":43,"value":3211},"Romania’s current energy mix is one of the most diverse in the region. As of 2025, installed capacity totals over 18.6 GW, split among coal, gas, nuclear, hydropower, solar, wind, and biomass. Nuclear power — powered by two CANDU reactors at Cernavodă — accounts for about 10% of electricity generation, with plans to expand through two additional units and new small modular reactor (SMR) projects in cooperation with U.S. partners.",{"type":26,"tag":39,"props":3213,"children":3214},{},[3215],{"type":43,"value":3216},"Solar capacity has more than doubled over the last year, driven by a booming prosumer market and falling technology costs. Battery storage is also gaining momentum, with 400 MWh already integrated into the grid as of April 2025. By 2035, storage is expected to reach 2 GW, with projections of 4.5 GW by 2045 to enable deeper renewable integration.",{"type":26,"tag":46,"props":3218,"children":3220},{"id":3219},"investment-on-the-horizon",[3221],{"type":43,"value":3222},"Investment on the Horizon",{"type":26,"tag":39,"props":3224,"children":3225},{},[3226],{"type":43,"value":3227},"Ambitious goals come with steep funding needs. Romania’s Integrated National Energy and Climate Plan (PNIESC) forecasts €4.2 trillion in total energy-related investments through 2050. Of this, around €140 billion is earmarked for building upgrades and €400 billion for transport infrastructure.",{"type":26,"tag":39,"props":3229,"children":3230},{},[3231],{"type":43,"value":3232},"To bridge the gap, Romania is leveraging EU funding mechanisms:",{"type":26,"tag":143,"props":3234,"children":3235},{},[3236,3246,3256],{"type":26,"tag":62,"props":3237,"children":3238},{},[3239,3244],{"type":26,"tag":66,"props":3240,"children":3241},{},[3242],{"type":43,"value":3243},"€1.6 billion",{"type":43,"value":3245}," from the National Recovery and Resilience Plan for renewables and hydrogen-ready infrastructure",{"type":26,"tag":62,"props":3247,"children":3248},{},[3249,3254],{"type":26,"tag":66,"props":3250,"children":3251},{},[3252],{"type":43,"value":3253},"€16 billion",{"type":43,"value":3255}," from the EU Modernization Fund by 2030 for energy efficiency and grid upgrades",{"type":26,"tag":62,"props":3257,"children":3258},{},[3259,3264],{"type":26,"tag":66,"props":3260,"children":3261},{},[3262],{"type":43,"value":3263},"€6 billion",{"type":43,"value":3265}," from the forthcoming Social Climate Fund to address the energy transition’s social impacts",{"type":26,"tag":39,"props":3267,"children":3268},{},[3269],{"type":43,"value":3270},"Private sector involvement will be vital. Romania’s regulatory framework must evolve to simplify permitting, attract foreign capital, and support emerging technologies like Virtual Power Plants (VPPs), green hydrogen, and AI-based grid optimization tools.",{"type":26,"tag":46,"props":3272,"children":3274},{"id":3273},"building-flexibility-into-the-future",[3275],{"type":43,"value":3276},"Building Flexibility into the Future",{"type":26,"tag":39,"props":3278,"children":3279},{},[3280],{"type":43,"value":3281},"As variable renewables expand, balancing the grid becomes more complex — and more valuable. The rise of energy aggregators and smart grid solutions is helping Romania move toward a more flexible and responsive power system. Demand-side response, energy storage, and flexible generation sources like gas and hydro are all being integrated into a broader flexibility strategy.",{"type":26,"tag":39,"props":3283,"children":3284},{},[3285],{"type":43,"value":3286},"VPPs — networks of decentralized generation and storage systems — are gaining traction, offering a way to pool smaller assets into virtual utility-scale power plants. These technologies, combined with digital platforms and real-time data, will be crucial in maintaining system stability while enabling higher renewable penetration.",{"type":26,"tag":46,"props":3288,"children":3290},{"id":3289},"the-road-ahead-from-potential-to-leadership",[3291],{"type":43,"value":3292},"The Road Ahead: From Potential to Leadership",{"type":26,"tag":39,"props":3294,"children":3295},{},[3296],{"type":43,"value":3297},"Romania has everything it needs to become a clean energy leader in Central and Eastern Europe: vast renewable resources, strategic location, a balanced energy mix, and access to significant EU funding. But turning this potential into reality depends on political will, investor confidence, and a regulatory environment that supports innovation.",{"type":26,"tag":39,"props":3299,"children":3300},{},[3301],{"type":43,"value":3302},"With the right mix of policy, technology, and capital, Romania can play a defining role in Europe’s energy future — delivering not just power, but also prosperity, resilience, and climate progress.",{"type":26,"tag":46,"props":3304,"children":3306},{"id":3305},"a-promising-outlook-for-battery-storage",[3307],{"type":43,"value":3308},"A Promising Outlook for Battery Storage",{"type":26,"tag":39,"props":3310,"children":3311},{},[3312],{"type":43,"value":3313},"All these developments — from Romania’s diverse renewable portfolio to its commitment to modernization and flexibility — create a fertile ground for battery energy storage systems (BESS). With rising renewable penetration, increasing demand for grid stability, and growing investor interest, BESS will be a cornerstone of Romania’s energy transformation. As storage economics continue to improve and regulatory frameworks evolve, Romania is well-positioned to become one of the most dynamic storage markets in Europe. For developers and investors alike, the opportunity is not just emerging — it’s accelerating.",{"type":26,"tag":39,"props":3315,"children":3316},{},[3317],{"type":26,"tag":543,"props":3318,"children":3319},{},[3320,3322,3329],{"type":43,"value":3321},"At Re-Twin Energy, we support energy storage and renewable project developers in navigating complexity and maximizing returns with the help of advanced AI-powered analytics. 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Without improved planning, standardized procedures, and fair compensation mechanisms, Germany risks underutilizing a key technology that could otherwise accelerate the energy transition and reduce system costs.",{"type":26,"tag":39,"props":4452,"children":4453},{},[4454,4456],{"type":43,"value":4455},"Check out how you can easily assess different grid limitation features with Re-Twin and see immedialty the impact on our business case: ",{"type":26,"tag":562,"props":4457,"children":4460},{"href":4458,"rel":4459},"https://app.re-twin.energy/investment-analysis",[566],[4461],{"type":43,"value":4458},{"type":26,"tag":596,"props":4463,"children":4464},{"author":11},[],{"type":26,"tag":600,"props":4466,"children":4467},{":blog":602,":type":603},[],{"type":26,"tag":606,"props":4469,"children":4470},{},[],{"type":26,"tag":610,"props":4472,"children":4473},{},[],{"type":26,"tag":614,"props":4475,"children":4476},{},[],{"title":7,"searchDepth":618,"depth":618,"links":4478},[4479,4480,4481,4482,4483,4484],{"id":4367,"depth":621,"text":4370},{"id":4378,"depth":621,"text":4381},{"id":4394,"depth":621,"text":4397},{"id":4410,"depth":621,"text":4413},{"id":4426,"depth":621,"text":4429},{"id":4442,"depth":621,"text":4445},"content:blog:storage-projects-in-queue.md","blog/storage-projects-in-queue.md","blog/storage-projects-in-queue",{"loc":4345},{"_path":4490,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":4491,"description":4492,"publishedAt":4493,"author":11,"tags":4494,"image":4495,"readingTime":4220,"body":4496,"_type":629,"_id":4689,"_source":631,"_file":4690,"_stem":4691,"_extension":634,"sitemap":4692},"/blog/co-location-co-benefits","Co-location, Co-benefits: How shared grid connections unlock battery value in Germany","Germany’s energy landscape is undergoing a quiet transformation and it’s being driven not just by megawatts of solar, but by smart flexibility strategies like co-locating batteries and PV systems on shared grid connections. Recent regulatory changes, including the Solar Package passed in early 2024, are reshaping how developers approach hybrid projects, and the financial impact is significant.","08-12-2025",[3098,1441,3099],"/images/blog/co-location-co-benefits/image.webp",{"type":23,"children":4497,"toc":4681},[4498,4502,4506,4510,4516,4521,4526,4532,4550,4556,4561,4580,4586,4603,4608,4621,4627,4639,4643,4655,4666,4669,4672,4675,4678],{"type":26,"tag":27,"props":4499,"children":4501},{"alt":4500,"caption":7,"position":1995,"src":4495},"Batter Charging",[],{"type":26,"tag":34,"props":4503,"children":4505},{":reading-time":1452,"author":11,"date":4493,"title":4504},"Co-location, Co-benefits: How shared grid connections unlock battery value in Germany.",[],{"type":26,"tag":39,"props":4507,"children":4508},{},[4509],{"type":43,"value":4492},{"type":26,"tag":46,"props":4511,"children":4513},{"id":4512},"a-simpler-path-to-grid-sharing",[4514],{"type":43,"value":4515},"A Simpler Path to Grid Sharing",{"type":26,"tag":39,"props":4517,"children":4518},{},[4519],{"type":43,"value":4520},"Historically, connecting both a solar PV system and a battery energy storage system (BESS) to the same grid point in Germany was possible  but conditional. Project owners needed grid operator approval if the combined injection capacity of PV and battery exceeded the allowed connection capacity, a process that was often uncertain or delayed.",{"type":26,"tag":39,"props":4522,"children":4523},{},[4524],{"type":43,"value":4525},"Now, Section 8a of the updated EEG (Renewable Energy Act) provides legal clarity: grid “overbuild”  where PV and BESS share a connection and exceed its rated capacity, provided they never feed in more than allowed at any one time — is explicitly permitted. Network operators must also examine this option when nearby grid capacity is constrained. This small shift is unlocking major possibilities.",{"type":26,"tag":46,"props":4527,"children":4529},{"id":4528},"what-happens-when-you-share-a-grid-connection",[4530],{"type":43,"value":4531},"What Happens When You Share a Grid Connection?",{"type":26,"tag":39,"props":4533,"children":4534},{},[4535,4537,4542,4544,4549],{"type":43,"value":4536},"While the revenue per MW of storage declines when BESS shares a grid connection (due to limited feed-in rights), ",{"type":26,"tag":66,"props":4538,"children":4539},{},[4540],{"type":43,"value":4541},"the overall project return can increase",{"type":43,"value":4543},", especially with larger battery systems. In a 100% overbuild case, the drop in battery-specific earnings was offset by lower CAPEX per MW, shared infrastructure, and more efficient OPEX. The internal rate of return (IRR) climbed back to the same level as a standalone battery project ",{"type":26,"tag":66,"props":4545,"children":4546},{},[4547],{"type":43,"value":4548},"demonstrating co-location’s strong economic case",{"type":43,"value":472},{"type":26,"tag":46,"props":4551,"children":4553},{"id":4552},"full-hybrids-are-now-a-reality",[4554],{"type":43,"value":4555},"Full Hybrids Are Now a Reality",{"type":26,"tag":39,"props":4557,"children":4558},{},[4559],{"type":43,"value":4560},"Another breakthrough in the Solar Package relates to the treatment of energy from co-located systems. Previously, if a battery stored grid power and was on the same meter as a PV plant, the stored solar energy could lose its “green” status and with it, feed-in premiums.",{"type":26,"tag":39,"props":4562,"children":4563},{},[4564,4566,4571,4573,4578],{"type":43,"value":4565},"With the new regulation, ",{"type":26,"tag":66,"props":4567,"children":4568},{},[4569],{"type":43,"value":4570},"full hybrid systems",{"type":43,"value":4572}," where BESS and PV share a connection and meter, and the battery can charge from both the PV system and the grid can maintain green energy status for stored solar, as long as a certified metering concept is in place. This opens the door to new commercial models, especially ",{"type":26,"tag":66,"props":4574,"children":4575},{},[4576],{"type":43,"value":4577},"shaped PPAs",{"type":43,"value":4579}," with industrial offtakers that require predictable delivery profiles.",{"type":26,"tag":46,"props":4581,"children":4583},{"id":4582},"bigger-batteries-better-economics",[4584],{"type":43,"value":4585},"Bigger Batteries, Better Economics",{"type":26,"tag":39,"props":4587,"children":4588},{},[4589,4594,4596,4601],{"type":26,"tag":66,"props":4590,"children":4591},{},[4592],{"type":43,"value":4593},"Larger batteries make co-location more attractive",{"type":43,"value":4595},". Why? Because certain fixed costs — like transfer stations, grid protection, and project management — don’t scale linearly. As the battery size increases, ",{"type":26,"tag":66,"props":4597,"children":4598},{},[4599],{"type":43,"value":4600},"the unit cost per MW drops",{"type":43,"value":4602},", and combined with shared grid infrastructure, the IRR improves.",{"type":26,"tag":39,"props":4604,"children":4605},{},[4606],{"type":43,"value":4607},"For example:",{"type":26,"tag":143,"props":4609,"children":4610},{},[4611,4616],{"type":26,"tag":62,"props":4612,"children":4613},{},[4614],{"type":43,"value":4615},"A 5 MW battery co-located with PV saw revenues of >€210,000 per MW per year.",{"type":26,"tag":62,"props":4617,"children":4618},{},[4619],{"type":43,"value":4620},"A 10 MW battery under the same setup dropped to >€200,000 per MW — but delivered a higher total project return due to lower specific CAPEX and OPEX.",{"type":26,"tag":46,"props":4622,"children":4624},{"id":4623},"hybrid-ppas-stability-vs-flexibility",[4625],{"type":43,"value":4626},"Hybrid PPAs: Stability vs. Flexibility",{"type":26,"tag":39,"props":4628,"children":4629},{},[4630,4632,4637],{"type":43,"value":4631},"With hybrid metering now enabled, developers can explore ",{"type":26,"tag":66,"props":4633,"children":4634},{},[4635],{"type":43,"value":4636},"hybrid PPAs",{"type":43,"value":4638}," — contracts that bundle solar and battery output to provide shaped delivery profiles. These can attract a premium price and appeal to industrial offtakers seeking certainty. However, there’s a trade-off.",{"type":26,"tag":46,"props":4640,"children":4641},{"id":2917},[4642],{"type":43,"value":2920},{"type":26,"tag":39,"props":4644,"children":4645},{},[4646,4648,4653],{"type":43,"value":4647},"While the policy still requires refinement — especially around metering standards and precise interpretation of the “green power” attributes — the direction is clear: ",{"type":26,"tag":66,"props":4649,"children":4650},{},[4651],{"type":43,"value":4652},"Germany is embracing hybrid projects",{"type":43,"value":4654},", and batteries are increasingly viewed not as standalone assets, but as essential partners in maximizing solar value and grid stability.",{"type":26,"tag":39,"props":4656,"children":4657},{},[4658,4660,4665],{"type":43,"value":4659},"For project developers, this is a signal to think bigger and bolder. Co-location is no longer a workaround. It’s becoming a ",{"type":26,"tag":66,"props":4661,"children":4662},{},[4663],{"type":43,"value":4664},"strategic default",{"type":43,"value":472},{"type":26,"tag":596,"props":4667,"children":4668},{"author":11},[],{"type":26,"tag":600,"props":4670,"children":4671},{":blog":602,":type":603},[],{"type":26,"tag":606,"props":4673,"children":4674},{},[],{"type":26,"tag":610,"props":4676,"children":4677},{},[],{"type":26,"tag":614,"props":4679,"children":4680},{},[],{"title":7,"searchDepth":618,"depth":618,"links":4682},[4683,4684,4685,4686,4687,4688],{"id":4512,"depth":621,"text":4515},{"id":4528,"depth":621,"text":4531},{"id":4552,"depth":621,"text":4555},{"id":4582,"depth":621,"text":4585},{"id":4623,"depth":621,"text":4626},{"id":2917,"depth":621,"text":2920},"content:blog:co-location-co-benefits.md","blog/co-location-co-benefits.md","blog/co-location-co-benefits",{"loc":4490},{"_path":4694,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":4695,"description":4696,"publishedAt":4697,"author":11,"tags":4698,"image":4699,"readingTime":1443,"body":4700,"_type":629,"_id":4896,"_source":631,"_file":4897,"_stem":4898,"_extension":634,"sitemap":4899},"/blog/storage-rises-as-solar-stalls","Storage rises as solar stalls: Europes Energy Market at a crossroads","Despite a cooling solar market, front-of-the-meter battery storage is stepping into the spotlight across Europe. As residential demand falters, large-scale battery projects and commercial storage emerge as key growth drivers.","08-02-2025",[3098,1441,3099],"/images/blog/storage-rises-as-solar-stalls/cover.webp",{"type":23,"children":4701,"toc":4887},[4702,4706,4710,4714,4720,4725,4730,4735,4741,4746,4751,4756,4762,4767,4800,4805,4811,4816,4821,4826,4832,4837,4842,4848,4853,4858,4862,4867,4872,4875,4878,4881,4884],{"type":26,"tag":27,"props":4703,"children":4705},{"alt":4704,"caption":7,"fit":631,"src":4699},"Algos Are Just the Beginning!",[],{"type":26,"tag":34,"props":4707,"children":4709},{":reading-time":1619,"author":11,"date":4697,"title":4708},"Storage rises as solar stalls: Europe's Energy Market at a crossroads.",[],{"type":26,"tag":39,"props":4711,"children":4712},{},[4713],{"type":43,"value":4696},{"type":26,"tag":46,"props":4715,"children":4717},{"id":4716},"solar-slows-storage-steps-up",[4718],{"type":43,"value":4719},"Solar slows, storage steps up",{"type":26,"tag":39,"props":4721,"children":4722},{},[4723],{"type":43,"value":4724},"Europe’s solar PV market, once soaring with double-digit growth rates, has begun to level off. In 2024, installations grew just 12%, a significant deceleration from the 51% expansion seen in 2023. Residential solar, the engine behind the previous boom, fell 23% year-on-year, hit by high interest rates, stabilizing electricity prices, and declining policy support.",{"type":26,"tag":39,"props":4726,"children":4727},{},[4728],{"type":43,"value":4729},"This deceleration has had a knock-on effect on the residential battery storage segment, which contracted by 22% across most key markets. Italy’s slowdown was especially steep, following the wind-down of its generous Superbonus scheme. Meanwhile, in the Netherlands and Germany, uncertainty surrounding net metering and heat pump policies, respectively, has made consumers cautious.",{"type":26,"tag":39,"props":4731,"children":4732},{},[4733],{"type":43,"value":4734},"But as residential PV demand softens, Europe’s battery energy storage system (BESS) sector is showing resilience, particularly in the commercial, industrial, and utility-scale segments.",{"type":26,"tag":46,"props":4736,"children":4738},{"id":4737},"ci-and-front-of-the-meter-storage-rising-fast",[4739],{"type":43,"value":4740},"C&I and front-of-the-meter storage rising fast",{"type":26,"tag":39,"props":4742,"children":4743},{},[4744],{"type":43,"value":4745},"In 2024, front-of-the-meter energy storage installations in Europe surged by 38%, adding 4.3 GW of new capacity. The UK, Italy, Germany, and Sweden accounted for 70% of that growth. Total operational front-of-the-meter capacity now stands above 13 GW and is on track to exceed 100 GW by 2030.",{"type":26,"tag":39,"props":4747,"children":4748},{},[4749],{"type":43,"value":4750},"S&P Global projects that, for the first time, front-of-the-meter systems will surpass behind-the-meter storage in cumulative installed capacity by the end of this decade. This marks a major shift from the early 2020s, when residential installations dominated.",{"type":26,"tag":39,"props":4752,"children":4753},{},[4754],{"type":43,"value":4755},"Part of this momentum is coming from falling system costs and rising electricity price spreads—especially in commercial and industrial markets with time-of-use tariffs. Corporate buyers are also increasingly turning to battery storage as a tool for price hedging and sustainability commitments.",{"type":26,"tag":46,"props":4757,"children":4759},{"id":4758},"mixed-drivers-across-a-fragmented-european-market",[4760],{"type":43,"value":4761},"Mixed drivers across a fragmented European market",{"type":26,"tag":39,"props":4763,"children":4764},{},[4765],{"type":43,"value":4766},"What’s driving the front-of-the-meter boom? The answer varies significantly by country.",{"type":26,"tag":143,"props":4768,"children":4769},{},[4770,4780,4790],{"type":26,"tag":62,"props":4771,"children":4772},{},[4773,4778],{"type":26,"tag":66,"props":4774,"children":4775},{},[4776],{"type":43,"value":4777},"Italy",{"type":43,"value":4779}," is taking a top-down approach with long-term contracts and capacity mechanisms like the MACSE program, providing revenue certainty and strong bankability for investors.",{"type":26,"tag":62,"props":4781,"children":4782},{},[4783,4788],{"type":26,"tag":66,"props":4784,"children":4785},{},[4786],{"type":43,"value":4787},"Germany and the UK",{"type":43,"value":4789}," continue to lean on merchant market dynamics, offering multiple revenue streams via day-ahead, intraday, and ancillary service markets. This multi-market approach brings higher risk but also greater upside.",{"type":26,"tag":62,"props":4791,"children":4792},{},[4793,4798],{"type":26,"tag":66,"props":4794,"children":4795},{},[4796],{"type":43,"value":4797},"Emerging markets",{"type":43,"value":4799}," in Eastern Europe, such as Romania, Bulgaria, Hungary, and Greece are relying on EU funding and subsidy-backed tenders to kickstart their storage deployments.",{"type":26,"tag":39,"props":4801,"children":4802},{},[4803],{"type":43,"value":4804},"The policy mix across Europe reflects varying stages of market maturity and regulatory sophistication. Some nations are still laying the groundwork, while others are refining advanced frameworks for multi-revenue operation.",{"type":26,"tag":46,"props":4806,"children":4808},{"id":4807},"new-offtake-models-tolling-gains-traction",[4809],{"type":43,"value":4810},"New offtake models: Tolling gains traction",{"type":26,"tag":39,"props":4812,"children":4813},{},[4814],{"type":43,"value":4815},"In the quest for predictable cash flows, tolling agreements are becoming more common. These contracts allow utilities or optimizers to lease battery systems from asset owners, trading on their behalf. This reduces merchant exposure and helps developers secure financing.",{"type":26,"tag":39,"props":4817,"children":4818},{},[4819],{"type":43,"value":4820},"Utilities in Belgium, Germany, and the UK have already signed two- to seven-year tolling contracts. While promising, these deals come with challenges: counterparty risk, complex pricing structures, and a limited pool of credible offtakers.",{"type":26,"tag":39,"props":4822,"children":4823},{},[4824],{"type":43,"value":4825},"Still, tolling offers an appealing bridge for developers aiming to attract conservative capital or build a track record in volatile markets. It’s also creating room for newer market optimizers to prove themselves without full asset ownership.",{"type":26,"tag":46,"props":4827,"children":4829},{"id":4828},"barriers-ahead-grid-congestion-and-interconnection-delays",[4830],{"type":43,"value":4831},"Barriers ahead: Grid congestion and interconnection delays",{"type":26,"tag":39,"props":4833,"children":4834},{},[4835],{"type":43,"value":4836},"Despite strong fundamentals, Europe’s storage growth isn’t without obstacles. Grid bottlenecks, regulatory delays, and new interconnection cost structures such as Germany’s construction surcharges are slowing down deployments.",{"type":26,"tag":39,"props":4838,"children":4839},{},[4840],{"type":43,"value":4841},"The UK is exploring grid access reforms, while dThe UK is exploring grid access reforms, while developers across the continent are calling for faster permitting and clearer interconnection procedures. Without these, growth could stall post-2030.evelopers across the continent are calling for faster permitting and clearer interconnection procedures. Without these, growth could stall post-2030.",{"type":26,"tag":46,"props":4843,"children":4845},{"id":4844},"looking-ahead-storage-to-cushion-pvs-plateau",[4846],{"type":43,"value":4847},"Looking ahead: Storage to cushion PV’s plateau",{"type":26,"tag":39,"props":4849,"children":4850},{},[4851],{"type":43,"value":4852},"With the PV market expected to cool further after 2029 due to saturation and falling wholesale electricity prices, storage will play a critical role in maintaining momentum toward Europe’s energy transition targets.",{"type":26,"tag":39,"props":4854,"children":4855},{},[4856],{"type":43,"value":4857},"Large-scale energy storage can smooth out volatility, stabilize grids, and unlock greater value from variable renewables. But to fulfill this role, BESS deployment needs a stable, flexible regulatory environment and investment-grade revenue frameworks",{"type":26,"tag":46,"props":4859,"children":4860},{"id":571},[4861],{"type":43,"value":574},{"type":26,"tag":39,"props":4863,"children":4864},{},[4865],{"type":43,"value":4866},"2025 marks a turning point for energy storage in Europe. While residential markets falter, utility-scale and commercial deployments are accelerating. Forward-thinking regulation, robust revenue models, and cross-border collaboration will be crucial to overcoming headwinds and ensuring that storage continues to support a decarbonized, resilient European power system.",{"type":26,"tag":39,"props":4868,"children":4869},{},[4870],{"type":43,"value":4871},"As policy evolves and investment shifts toward large-scale assets, Europe’s storage future looks both promising and pivotal especially as solar alone can no longer carry the clean energy transition.",{"type":26,"tag":596,"props":4873,"children":4874},{"author":11},[],{"type":26,"tag":600,"props":4876,"children":4877},{":blog":602,":type":603},[],{"type":26,"tag":606,"props":4879,"children":4880},{},[],{"type":26,"tag":610,"props":4882,"children":4883},{},[],{"type":26,"tag":614,"props":4885,"children":4886},{},[],{"title":7,"searchDepth":618,"depth":618,"links":4888},[4889,4890,4891,4892,4893,4894,4895],{"id":4716,"depth":621,"text":4719},{"id":4737,"depth":621,"text":4740},{"id":4758,"depth":621,"text":4761},{"id":4807,"depth":621,"text":4810},{"id":4828,"depth":621,"text":4831},{"id":4844,"depth":621,"text":4847},{"id":571,"depth":621,"text":574},"content:blog:storage-rises-as-solar-stalls.md","blog/storage-rises-as-solar-stalls.md","blog/storage-rises-as-solar-stalls",{"loc":4694},{"_path":4901,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":4902,"description":4903,"publishedAt":4904,"author":11,"tags":4905,"image":4906,"readingTime":1443,"body":4907,"_type":629,"_id":5050,"_source":631,"_file":5051,"_stem":5052,"_extension":634,"sitemap":5053},"/blog/why-more-batteries-means-better-results","Why more batteries mean better returns for solar","As Germany races toward a net-zero power system, the pressure is building—not only to expand renewables, but also to ensure they remain profitable. Solar PV installations are surging, yet power market dynamics are shifting in ways that threaten returns. Fortunately, new modeling shows that strategic battery energy storage deployment could turn this challenge into a system-wide opportunity.","07-22-2025",[3098,1441,3099],"/images/blog/why-more-batteries-mean-better-results/image.webp",{"type":23,"children":4908,"toc":5042},[4909,4913,4917,4921,4927,4932,4937,4943,4948,4953,4965,4971,4976,4981,4987,4992,4997,5003,5008,5013,5017,5022,5027,5030,5033,5036,5039],{"type":26,"tag":27,"props":4910,"children":4912},{"alt":4911,"caption":7,"position":1995,"src":4906},"Solar Storage",[],{"type":26,"tag":34,"props":4914,"children":4916},{":reading-time":1619,"author":11,"date":4904,"title":4915},"Why more batteries mean better returns for solar.",[],{"type":26,"tag":39,"props":4918,"children":4919},{},[4920],{"type":43,"value":4903},{"type":26,"tag":46,"props":4922,"children":4924},{"id":4923},"solars-growing-pains",[4925],{"type":43,"value":4926},"Solar’s Growing Pains",{"type":26,"tag":39,"props":4928,"children":4929},{},[4930],{"type":43,"value":4931},"Germany installed over 16 GW of solar PV in 2024, pushing total capacity to new highs. But with that growth has come a troubling side effect: falling revenues. Wholesale market saturation, especially during midday peaks, is driving down prices for solar electricity, with PV power often fetching just €0.03 to €0.04/kWh.",{"type":26,"tag":39,"props":4933,"children":4934},{},[4935],{"type":43,"value":4936},"This so-called “cannibalization effect” is raising concerns among project developers and policymakers alike. For solar systems selling power via direct marketing mechanisms, revenue stability is slipping. Increasingly frequent negative price events compound the risk, threatening project bankability.",{"type":26,"tag":46,"props":4938,"children":4940},{"id":4939},"why-storage-is-the-missing-piece",[4941],{"type":43,"value":4942},"Why Storage Is the Missing Piece",{"type":26,"tag":39,"props":4944,"children":4945},{},[4946],{"type":43,"value":4947},"To understand how to mitigate these pressures several scenarios for battery storage expansion by 2030 need to be considered. In a baseline case, Germany reaches 20 GW of installed battery capacity. But what happens if the country pushes further to 25 GW or 30 GW?",{"type":26,"tag":39,"props":4949,"children":4950},{},[4951],{"type":43,"value":4952},"The analysis shows that even modest increases in battery capacity can yield outsized benefits. With 25% more storage, negative pricing events drop by around 3%. Doubling that increase cuts negative periods by 7%. At the same time, PV market values, essentially the revenue-per-megawatt-hour that solar projects can expect rise by 6% to 12%.",{"type":26,"tag":39,"props":4954,"children":4955},{},[4956,4958,4963],{"type":43,"value":4957},"These improvements don’t stem from speculative price spikes. In fact, the base electricity price remains largely stable. The value is created through ",{"type":26,"tag":66,"props":4959,"children":4960},{},[4961],{"type":43,"value":4962},"flexibility",{"type":43,"value":4964},": batteries absorb excess solar generation during low-price hours and discharge it when the grid needs it most. This rebalancing smooths the price curve and elevates returns across the board.",{"type":26,"tag":46,"props":4966,"children":4968},{"id":4967},"targeted-impact-for-solar-projects",[4969],{"type":43,"value":4970},"Targeted Impact for Solar Projects",{"type":26,"tag":39,"props":4972,"children":4973},{},[4974],{"type":43,"value":4975},"Unlike traditional peaker plants or baseload generators, solar farms are especially exposed to midday price crashes. That’s where battery co-location becomes particularly powerful. By siting batteries directly alongside PV assets, developers can shift production out of the lowest-value hours, transforming marginal energy into a high-margin product.",{"type":26,"tag":39,"props":4977,"children":4978},{},[4979],{"type":43,"value":4980},"Crucially, this isn’t just a win for private investors. The modeling shows that rising PV market values reduce the burden on public subsidy schemes. In Germany’s tender system, if market prices are higher, fewer top-up payments are needed from transmission system operators. 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The days of static planning and manual trading are over. To stay profitable, storage must be managed as a data-driven, continuously optimised financial asset.",{"type":26,"tag":46,"props":6948,"children":6950},{"id":6949},"the-forecasting-imperative",[6951],{"type":43,"value":6952},"The Forecasting Imperative",{"type":26,"tag":39,"props":6954,"children":6955},{},[6956,6958,6963,6964,6969],{"type":43,"value":6957},"Energy storage investment decisions are increasingly made in uncertain terrain with variable electricity prices, regulatory fragmentation, and rapidly changing system needs. This makes accurate forecasting both a ",{"type":26,"tag":66,"props":6959,"children":6960},{},[6961],{"type":43,"value":6962},"strategic advantage",{"type":43,"value":458},{"type":26,"tag":66,"props":6965,"children":6966},{},[6967],{"type":43,"value":6968},"bankability requirement",{"type":43,"value":472},{"type":26,"tag":39,"props":6971,"children":6972},{},[6973],{"type":43,"value":6974},"Three major drivers of revenue volatility underscore the need for forecasting:",{"type":26,"tag":58,"props":6976,"children":6977},{},[6978,6988,6998],{"type":26,"tag":62,"props":6979,"children":6980},{},[6981,6986],{"type":26,"tag":66,"props":6982,"children":6983},{},[6984],{"type":43,"value":6985},"Renewable Fluctuations",{"type":43,"value":6987}," – Wind and solar output is intermittent by nature. The more they dominate the energy mix, the more volatile power prices become — both in the day-ahead and intraday markets.",{"type":26,"tag":62,"props":6989,"children":6990},{},[6991,6996],{"type":26,"tag":66,"props":6992,"children":6993},{},[6994],{"type":43,"value":6995},"Demand Shocks",{"type":43,"value":6997}," – Extreme weather events, seasonal shifts, and structural changes (like heat pump or EV adoption) lead to unpredictable load curves.",{"type":26,"tag":62,"props":6999,"children":7000},{},[7001,7006,7008,7013],{"type":26,"tag":66,"props":7002,"children":7003},{},[7004],{"type":43,"value":7005},"Regulatory Shifts",{"type":43,"value":7007}," – Capacity mechanisms are expanding across Europe, but timelines vary. For instance, Germany’s mechanism isn’t expected until ",{"type":26,"tag":66,"props":7009,"children":7010},{},[7011],{"type":43,"value":7012},"2028",{"type":43,"value":7014},", while France and Belgium already offer BESS operators monthly revenue streams from capacity markets.",{"type":26,"tag":39,"props":7016,"children":7017},{},[7018],{"type":43,"value":7019},"Forecasting models must capture this complexity from short-term price signals to long-term structural trends  and feed them into revenue simulations that are reliable enough to support financing.",{"type":26,"tag":46,"props":7021,"children":7023},{"id":7022},"beyond-forecasts-evaluating-profitability-with-real-data",[7024],{"type":43,"value":7025},"Beyond Forecasts: Evaluating Profitability with Real Data",{"type":26,"tag":39,"props":7027,"children":7028},{},[7029],{"type":43,"value":7030},"To assess whether a BESS project is financially viable, multiple approaches are available. Each comes with trade-offs:",{"type":26,"tag":143,"props":7032,"children":7033},{},[7034,7044,7061,7071],{"type":26,"tag":62,"props":7035,"children":7036},{},[7037,7042],{"type":26,"tag":66,"props":7038,"children":7039},{},[7040],{"type":43,"value":7041},"Bankable Forecasts",{"type":43,"value":7043},": Long-term models used in project finance, updated quarterly or biannually. They’re useful for debt providers but can’t capture short-term volatility or sudden regulatory changes.",{"type":26,"tag":62,"props":7045,"children":7046},{},[7047,7052,7054,7059],{"type":26,"tag":66,"props":7048,"children":7049},{},[7050],{"type":43,"value":7051},"Backtesting",{"type":43,"value":7053},": Uses historical market data to simulate past BESS performance. Effective for validating trading strategies — but must include ",{"type":26,"tag":66,"props":7055,"children":7056},{},[7057],{"type":43,"value":7058},"low-revenue periods",{"type":43,"value":7060}," to avoid unrealistic optimism.",{"type":26,"tag":62,"props":7062,"children":7063},{},[7064,7069],{"type":26,"tag":66,"props":7065,"children":7066},{},[7067],{"type":43,"value":7068},"Battery Indices",{"type":43,"value":7070},": Serve as benchmarks to compare your project’s expected performance with peers. These indices can verify optimiser claims and track market evolution.",{"type":26,"tag":62,"props":7072,"children":7073},{},[7074,7079],{"type":26,"tag":66,"props":7075,"children":7076},{},[7077],{"type":43,"value":7078},"Portfolio Performance",{"type":43,"value":7080},": The gold standard. Real, audited revenue data from operational systems offers the highest confidence for investors. It aligns revenue assumptions with real-world outcomes.",{"type":26,"tag":39,"props":7082,"children":7083},{},[7084],{"type":43,"value":7085},"No single method is perfect. A comprehensive BESS revenue assessment typically combines all four.\nAt Re-Twin, we deliver forecasting models that account for both short-term price signals and long-term structural trends. Our digital twin technology allows users to simulate future revenue streams under multiple scenarios—stress-tested against volatility, market design changes, and weather extremes. This level of insight builds confidence, not just for project developers and operators, but also for investors and lenders.",{"type":26,"tag":46,"props":7087,"children":7089},{"id":7088},"multi-market-coordination-stacking-revenues-strategically",[7090],{"type":43,"value":7091},"Multi-Market Coordination: Stacking Revenues Strategically",{"type":26,"tag":39,"props":7093,"children":7094},{},[7095],{"type":43,"value":7096},"Battery revenue comes from participating in multiple electricity markets. These include:",{"type":26,"tag":143,"props":7098,"children":7099},{},[7100,7139],{"type":26,"tag":62,"props":7101,"children":7102},{},[7103,7108,7109],{"type":26,"tag":66,"props":7104,"children":7105},{},[7106],{"type":43,"value":7107},"Wholesale Markets",{"type":43,"value":245},{"type":26,"tag":143,"props":7110,"children":7111},{},[7112,7122],{"type":26,"tag":62,"props":7113,"children":7114},{},[7115,7120],{"type":26,"tag":66,"props":7116,"children":7117},{},[7118],{"type":43,"value":7119},"Day-Ahead Market (DAM)",{"type":43,"value":7121},": Bid energy for delivery one day in advance.",{"type":26,"tag":62,"props":7123,"children":7124},{},[7125,7130,7132,7137],{"type":26,"tag":66,"props":7126,"children":7127},{},[7128],{"type":43,"value":7129},"Intraday Market (IDM)",{"type":43,"value":7131}," & ",{"type":26,"tag":66,"props":7133,"children":7134},{},[7135],{"type":43,"value":7136},"Continuous Trading (IDC)",{"type":43,"value":7138},": Respond to real-time price shifts or imbalances.",{"type":26,"tag":62,"props":7140,"children":7141},{},[7142,7147,7148],{"type":26,"tag":66,"props":7143,"children":7144},{},[7145],{"type":43,"value":7146},"Ancillary Services",{"type":43,"value":245},{"type":26,"tag":143,"props":7149,"children":7150},{},[7151,7161],{"type":26,"tag":62,"props":7152,"children":7153},{},[7154,7159],{"type":26,"tag":66,"props":7155,"children":7156},{},[7157],{"type":43,"value":7158},"FCR (Frequency Containment Reserve)",{"type":43,"value":7160},": Immediate, short-term grid stability.",{"type":26,"tag":62,"props":7162,"children":7163},{},[7164,7169],{"type":26,"tag":66,"props":7165,"children":7166},{},[7167],{"type":43,"value":7168},"aFRR (Automatic Frequency Restoration Reserve)",{"type":43,"value":7170},": Mid-term rebalancing, activated ~25 minutes before delivery.",{"type":26,"tag":39,"props":7172,"children":7173},{},[7174],{"type":43,"value":7175},"Each market has its own dynamics, timelines, and technical requirements. For example, FCR bids might reserve 80% of a BESS’s capacity, while the remaining 20% can still be traded in wholesale markets — if operators are equipped to manage the split dynamically.",{"type":26,"tag":39,"props":7177,"children":7178},{},[7179,7181,7186],{"type":43,"value":7180},"This ",{"type":26,"tag":66,"props":7182,"children":7183},{},[7184],{"type":43,"value":7185},"revenue stacking",{"type":43,"value":7187}," requires strategic orchestration. Overcommitting to one market could mean missed opportunities elsewhere. Prioritising arbitrage may limit grid services. The optimal mix depends on:",{"type":26,"tag":143,"props":7189,"children":7190},{},[7191,7196,7201,7206],{"type":26,"tag":62,"props":7192,"children":7193},{},[7194],{"type":43,"value":7195},"Market liquidity and pricing",{"type":26,"tag":62,"props":7197,"children":7198},{},[7199],{"type":43,"value":7200},"Battery duration and round-trip efficiency",{"type":26,"tag":62,"props":7202,"children":7203},{},[7204],{"type":43,"value":7205},"Real-time grid demand",{"type":26,"tag":62,"props":7207,"children":7208},{},[7209],{"type":43,"value":7210},"Forecast accuracy",{"type":26,"tag":46,"props":7212,"children":7214},{"id":7213},"real-time-optimisation-why-automation-is-non-negotiable",[7215],{"type":43,"value":7216},"Real-Time Optimisation: Why Automation Is Non-Negotiable",{"type":26,"tag":39,"props":7218,"children":7219},{},[7220,7222,7227],{"type":43,"value":7221},"The complexity of managing this market interplay is beyond manual control. That’s why the industry is moving toward ",{"type":26,"tag":66,"props":7223,"children":7224},{},[7225],{"type":43,"value":7226},"AI-powered auto-trading systems",{"type":43,"value":7228}," capable of:",{"type":26,"tag":143,"props":7230,"children":7231},{},[7232,7237,7242,7247],{"type":26,"tag":62,"props":7233,"children":7234},{},[7235],{"type":43,"value":7236},"Aggregating and analysing live weather, market, and grid data",{"type":26,"tag":62,"props":7238,"children":7239},{},[7240],{"type":43,"value":7241},"Predicting system imbalances and bidding windows",{"type":26,"tag":62,"props":7243,"children":7244},{},[7245],{"type":43,"value":7246},"Reallocating battery capacity minute-by-minute between FCR, aFRR, and arbitrage",{"type":26,"tag":62,"props":7248,"children":7249},{},[7250],{"type":43,"value":7251},"Managing technical constraints like state-of-charge (SoC), degradation, and availability",{"type":26,"tag":39,"props":7253,"children":7254},{},[7255,7257,7262,7263,7268],{"type":43,"value":7256},"Such systems need to continuously evaluate opportunity costs and market conditions. For examle, if an FCR bid is rejected, the BESS capacity is reallocated to intraday markets and aFRR bids are updated until just before delivery, using forecast accuracy as an input. Results from backtested two-hour systems show that this adaptive dispatching improves both ",{"type":26,"tag":66,"props":7258,"children":7259},{},[7260],{"type":43,"value":7261},"revenue consistency",{"type":43,"value":918},{"type":26,"tag":66,"props":7264,"children":7265},{},[7266],{"type":43,"value":7267},"risk management",{"type":43,"value":472},{"type":26,"tag":39,"props":7270,"children":7271},{},[7272,7274,7279],{"type":43,"value":7273},"This kind of ",{"type":26,"tag":66,"props":7275,"children":7276},{},[7277],{"type":43,"value":7278},"multi-layered optimisation",{"type":43,"value":7280}," is becoming standard in mature BESS operations and increasingly expected by financiers.",{"type":26,"tag":39,"props":7282,"children":7283},{},[7284],{"type":43,"value":7285},"Re-Twin’s platform enables this kind of dynamic decision-making. By continuously analysing prices, forecasts, and system constraints, we support operators in allocating battery capacity where it creates the most value. Our models account for technical limitations like state-of-charge and degradation, as well as market-specific rules and timelines. This ensures not only higher revenues, but also greater resilience in changing conditions.",{"type":26,"tag":46,"props":7287,"children":7289},{"id":7288},"key-takeaways-for-bess-stakeholders",[7290],{"type":43,"value":7291},"Key Takeaways for BESS Stakeholders",{"type":26,"tag":58,"props":7293,"children":7294},{},[7295,7305,7315,7325],{"type":26,"tag":62,"props":7296,"children":7297},{},[7298,7303],{"type":26,"tag":66,"props":7299,"children":7300},{},[7301],{"type":43,"value":7302},"Forecasting is not optional",{"type":43,"value":7304}," — it's foundational. But it must be transparent, realistic, and stress-tested.",{"type":26,"tag":62,"props":7306,"children":7307},{},[7308,7313],{"type":26,"tag":66,"props":7309,"children":7310},{},[7311],{"type":43,"value":7312},"Revenue stacking",{"type":43,"value":7314}," is the future. Smart coordination across multiple markets boosts resilience and improves returns.",{"type":26,"tag":62,"props":7316,"children":7317},{},[7318,7323],{"type":26,"tag":66,"props":7319,"children":7320},{},[7321],{"type":43,"value":7322},"Real-time decision-making",{"type":43,"value":7324}," through automation is essential to remain competitive. Manual strategies leave revenue on the table.",{"type":26,"tag":62,"props":7326,"children":7327},{},[7328,7333],{"type":26,"tag":66,"props":7329,"children":7330},{},[7331],{"type":43,"value":7332},"Regulatory timing matters",{"type":43,"value":7334},". Countries introducing capacity or ancillary markets offer windows of premium revenues — but they don’t last long.",{"type":26,"tag":46,"props":7336,"children":7338},{"id":7337},"the-bottom-line",[7339],{"type":43,"value":7340},"The Bottom Line",{"type":26,"tag":39,"props":7342,"children":7343},{},[7344,7346,7351],{"type":43,"value":7345},"Maximising BESS profitability in today’s environment requires a ",{"type":26,"tag":66,"props":7347,"children":7348},{},[7349],{"type":43,"value":7350},"dual lens",{"type":43,"value":7352},": a forward-looking one (forecasts and scenarios), and a reactive one (real-time data and flexible algorithms). Projects that can bridge both will outlast price shocks, outperform competitors, and stay bankable in any market condition.",{"type":26,"tag":39,"props":7354,"children":7355},{},[7356,7358,7363],{"type":43,"value":7357},"With the energy transition accelerating, and the role of flexible assets expanding, the winners will be those who treat energy storage not just as hardware — but as a ",{"type":26,"tag":66,"props":7359,"children":7360},{},[7361],{"type":43,"value":7362},"real-time, data-driven financial asset",{"type":43,"value":472},{"type":26,"tag":46,"props":7365,"children":7367},{"id":7366},"looking-ahead",[7368],{"type":43,"value":7369},"Looking Ahead",{"type":26,"tag":39,"props":7371,"children":7372},{},[7373],{"type":43,"value":7374},"As energy markets continue to evolve, the pressure on BESS owners and operators will only grow. Margins will tighten, regulation will shift, and expectations from investors will rise. To navigate this complexity, storage needs more than intuition—it needs intelligence.",{"type":26,"tag":39,"props":7376,"children":7377},{},[7378],{"type":43,"value":7379},"At Re-Twin Energy, we provide that intelligence. With AI-powered digital twins, market-optimised forecasting, and real-time performance modelling, we help our partners stay ahead—profitably, sustainably, and at scale.",{"type":26,"tag":39,"props":7381,"children":7382},{},[7383],{"type":26,"tag":66,"props":7384,"children":7385},{},[7386,7388,7393],{"type":43,"value":7387},"To learn how Re-Twin can support your next storage project, visit ",{"type":26,"tag":562,"props":7389,"children":7391},{"href":3324,"rel":7390},[566],[7392],{"type":43,"value":3328},{"type":43,"value":7394}," or get in touch for a personal demo.",{"type":26,"tag":596,"props":7396,"children":7397},{"author":11},[],{"type":26,"tag":600,"props":7399,"children":7400},{":blog":602,":type":1031,"blog":7},[],{"type":26,"tag":606,"props":7402,"children":7403},{},[],{"type":26,"tag":610,"props":7405,"children":7406},{},[],{"type":26,"tag":614,"props":7408,"children":7409},{},[],{"title":7,"searchDepth":618,"depth":618,"links":7411},[7412,7413,7414,7415,7416,7417,7418],{"id":6949,"depth":621,"text":6952},{"id":7022,"depth":621,"text":7025},{"id":7088,"depth":621,"text":7091},{"id":7213,"depth":621,"text":7216},{"id":7288,"depth":621,"text":7291},{"id":7337,"depth":621,"text":7340},{"id":7366,"depth":621,"text":7369},"content:blog:why_no_bess_project_should_run_without_advanced_analytics.md","blog/why_no_bess_project_should_run_without_advanced_analytics.md","blog/why_no_bess_project_should_run_without_advanced_analytics",{"loc":6891},{"_path":7424,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":7425,"description":7426,"publishedAt":7427,"author":11,"tags":7428,"image":7429,"readingTime":646,"body":7430,"_type":629,"_id":7894,"_source":631,"_file":7895,"_stem":7896,"_extension":634,"sitemap":7897},"/blog/how_europe_s_bess_markets_are_maturing_and_why_timing_is_everything","How Europe’s BESS markets are maturing and why timing is everything","The European energy storage market is evolving rapidly, with new markets and regulations emerging. Learn how timing is everything for BESS projects.","06-12-2025",[1440,6896,6897],"/images/blog/how_europe_s_bess_markets_are_maturing_and_why_timing_is_everything/cover.webp",{"type":23,"children":7431,"toc":7881},[7432,7435,7439,7451,7456,7461,7467,7472,7477,7483,7494,7527,7532,7538,7543,7552,7563,7587,7596,7608,7613,7622,7647,7656,7668,7677,7696,7702,7714,7719,7725,7736,7744,7755,7763,7774,7782,7794,7802,7808,7813,7856,7861,7866,7869,7872,7875,7878],{"type":26,"tag":27,"props":7433,"children":7434},{"alt":7425,"caption":7,"position":1995,"src":7429},[],{"type":26,"tag":34,"props":7436,"children":7438},{":reading-time":1619,"author":11,"date":7427,"title":7437},"The European energy storage market is evolving rapidly, with new markets and regulations emerging.",[],{"type":26,"tag":39,"props":7440,"children":7441},{},[7442,7444,7449],{"type":43,"value":7443},"As Europe’s electricity markets grow more complex, one thing is clear: ",{"type":26,"tag":66,"props":7445,"children":7446},{},[7447],{"type":43,"value":7448},"battery energy storage systems (BESS)",{"type":43,"value":7450}," are no longer a side note, they’re becoming essential infrastructure. Whether enabling grid flexibility, capturing price volatility, or participating in ancillary services, BESS are now at the center of the energy transition.",{"type":26,"tag":39,"props":7452,"children":7453},{},[7454],{"type":43,"value":7455},"But tapping into this potential is anything but straightforward.",{"type":26,"tag":39,"props":7457,"children":7458},{},[7459],{"type":43,"value":7460},"From saturated ancillary markets in Western Europe to high-growth, subsidy-fueled momentum in countries like Poland and Spain, understanding where — and how — storage makes money is now a strategic imperative for investors, developers, and policymakers alike.",{"type":26,"tag":46,"props":7462,"children":7464},{"id":7463},"the-evolving-landscape-five-markets-five-stories",[7465],{"type":43,"value":7466},"The Evolving Landscape: Five Markets, Five Stories",{"type":26,"tag":39,"props":7468,"children":7469},{},[7470],{"type":43,"value":7471},"Europe’s BESS landscape is not uniform. The UK remains the market leader by capacity, but other countries are quickly catching up, each with unique market dynamics.",{"type":26,"tag":39,"props":7473,"children":7474},{},[7475],{"type":43,"value":7476},"Germany, France, Spain, Poland, and Sweden represent key examples of where the European market is heading. Together, they offer a mix of mature, emerging, and transitioning storage environments. And each tells a different story about how BESS assets generate revenue.",{"type":26,"tag":46,"props":7478,"children":7480},{"id":7479},"beyond-the-buzzwords-where-the-money-comes-from",[7481],{"type":43,"value":7482},"Beyond the Buzzwords: Where the Money Comes From",{"type":26,"tag":39,"props":7484,"children":7485},{},[7486,7488,7492],{"type":43,"value":7487},"At its core, the value of BESS comes from one principle: ",{"type":26,"tag":66,"props":7489,"children":7490},{},[7491],{"type":43,"value":4962},{"type":43,"value":7493},". Storage systems can shift power across time and provide fast, responsive services to support the grid. But this flexibility must be monetized through specific market mechanisms. The three dominant revenue streams are:",{"type":26,"tag":58,"props":7495,"children":7496},{},[7497,7507,7517],{"type":26,"tag":62,"props":7498,"children":7499},{},[7500,7505],{"type":26,"tag":66,"props":7501,"children":7502},{},[7503],{"type":43,"value":7504},"Wholesale Markets:",{"type":43,"value":7506}," Capitalize on price spreads between low-cost and high-cost hours (energy arbitrage)",{"type":26,"tag":62,"props":7508,"children":7509},{},[7510,7515],{"type":26,"tag":66,"props":7511,"children":7512},{},[7513],{"type":43,"value":7514},"Ancillary Services:",{"type":43,"value":7516}," Deliver grid stability functions like frequency containment and restoration",{"type":26,"tag":62,"props":7518,"children":7519},{},[7520,7525],{"type":26,"tag":66,"props":7521,"children":7522},{},[7523],{"type":43,"value":7524},"Capacity Mechanisms and Subsidies:",{"type":43,"value":7526}," Provide backup capacity or unlock public investment support",{"type":26,"tag":39,"props":7528,"children":7529},{},[7530],{"type":43,"value":7531},"In some countries, these are well-established. In others, they’re just beginning to emerge — with early-movers poised to capture the most value.",{"type":26,"tag":46,"props":7533,"children":7535},{"id":7534},"market-maturity-matters",[7536],{"type":43,"value":7537},"Market Maturity Matters",{"type":26,"tag":39,"props":7539,"children":7540},{},[7541],{"type":43,"value":7542},"Let’s take a closer look at how these revenue streams play out in key countries:",{"type":26,"tag":46,"props":7544,"children":7546},{"id":7545},"poland-an-emerging-market-on-the-rise",[7547],{"type":26,"tag":66,"props":7548,"children":7549},{},[7550],{"type":43,"value":7551},"Poland: An Emerging Market on the Rise",{"type":26,"tag":39,"props":7553,"children":7554},{},[7555,7557,7561],{"type":43,"value":7556},"With generous capacity market auctions and a recently opened ancillary services market, Poland is now one of Europe’s most promising BESS investment destinations. Over ",{"type":26,"tag":66,"props":7558,"children":7559},{},[7560],{"type":43,"value":6722},{"type":43,"value":7562}," of BESS projects have secured contracts, many with delivery dates extending to 2029.",{"type":26,"tag":39,"props":7564,"children":7565},{},[7566,7568,7573,7574,7579,7581,7586],{"type":43,"value":7567},"Revenue opportunities remain high — especially in ",{"type":26,"tag":66,"props":7569,"children":7570},{},[7571],{"type":43,"value":7572},"aFRR",{"type":43,"value":918},{"type":26,"tag":66,"props":7575,"children":7576},{},[7577],{"type":43,"value":7578},"mFRR",{"type":43,"value":7580}," services — thanks to limited competition. But as the market matures, prices are expected to normalize, underlining the importance of ",{"type":26,"tag":66,"props":7582,"children":7583},{},[7584],{"type":43,"value":7585},"early entry",{"type":43,"value":472},{"type":26,"tag":46,"props":7588,"children":7590},{"id":7589},"france-a-transitioning-market",[7591],{"type":26,"tag":66,"props":7592,"children":7593},{},[7594],{"type":43,"value":7595},"France: A Transitioning Market",{"type":26,"tag":39,"props":7597,"children":7598},{},[7599,7601,7606],{"type":43,"value":7600},"In 2024, France launched its ",{"type":26,"tag":66,"props":7602,"children":7603},{},[7604],{"type":43,"value":7605},"secondary reserve market",{"type":43,"value":7607}," (aFRR), giving 2-hour BESS a substantial new income stream. While the primary reserve market (FCR) is nearing saturation, the aFRR opening has temporarily boosted returns. Still, increasing competition is beginning to compress margins.",{"type":26,"tag":39,"props":7609,"children":7610},{},[7611],{"type":43,"value":7612},"The lesson? New market openings offer windows of opportunity — but only temporarily.",{"type":26,"tag":46,"props":7614,"children":7616},{"id":7615},"germany-mature-complex-and-competitive",[7617],{"type":26,"tag":66,"props":7618,"children":7619},{},[7620],{"type":43,"value":7621},"Germany: Mature, Complex, and Competitive",{"type":26,"tag":39,"props":7623,"children":7624},{},[7625,7627,7632,7633,7638,7640,7645],{"type":43,"value":7626},"Germany’s BESS assets increasingly rely on ",{"type":26,"tag":66,"props":7628,"children":7629},{},[7630],{"type":43,"value":7631},"Intraday trading",{"type":43,"value":918},{"type":26,"tag":66,"props":7634,"children":7635},{},[7636],{"type":43,"value":7637},"aFRR energy",{"type":43,"value":7639}," services. These markets offer high volatility and, with the right trading strategy, strong returns. However, traditional ancillary service markets are now crowded, pushing storage operators toward ",{"type":26,"tag":66,"props":7641,"children":7642},{},[7643],{"type":43,"value":7644},"cross-market optimization",{"type":43,"value":7646}," strategies that require longer-duration assets and sophisticated route-to-market (R2M) capabilities.",{"type":26,"tag":46,"props":7648,"children":7650},{"id":7649},"spain-subsidies-drive-scale",[7651],{"type":26,"tag":66,"props":7652,"children":7653},{},[7654],{"type":43,"value":7655},"Spain: Subsidies Drive Scale",{"type":26,"tag":39,"props":7657,"children":7658},{},[7659,7661,7666],{"type":43,"value":7660},"In 2023, Spain awarded over ",{"type":26,"tag":66,"props":7662,"children":7663},{},[7664],{"type":43,"value":7665},"800 MW",{"type":43,"value":7667}," of BESS capacity through its PERTE program, providing substantial CAPEX grants for 4-hour systems. Spain is prioritizing long-duration assets to better support its renewable-heavy grid. While market revenues are still maturing, public support is reducing barriers to entry and unlocking bankability for new projects.",{"type":26,"tag":46,"props":7669,"children":7671},{"id":7670},"sweden-volatility-and-cannibalization",[7672],{"type":26,"tag":66,"props":7673,"children":7674},{},[7675],{"type":43,"value":7676},"Sweden: Volatility and Cannibalization",{"type":26,"tag":39,"props":7678,"children":7679},{},[7680,7682,7687,7689,7694],{"type":43,"value":7681},"Historically, Sweden’s high ",{"type":26,"tag":66,"props":7683,"children":7684},{},[7685],{"type":43,"value":7686},"FCR",{"type":43,"value":7688}," prices made it a lucrative market for 1-hour BESS. But as more projects enter the market — with 550 MW already prequalified for FCR-D — prices have started to decline. The lesson here is clear: ",{"type":26,"tag":66,"props":7690,"children":7691},{},[7692],{"type":43,"value":7693},"price cannibalization",{"type":43,"value":7695}," can happen fast, and early entrants enjoy a temporary edge.",{"type":26,"tag":46,"props":7697,"children":7699},{"id":7698},"strategy-shift-from-single-revenue-to-smart-stacking",[7700],{"type":43,"value":7701},"Strategy Shift: From Single Revenue to Smart Stacking",{"type":26,"tag":39,"props":7703,"children":7704},{},[7705,7707,7712],{"type":43,"value":7706},"As Europe’s storage markets evolve, ",{"type":26,"tag":66,"props":7708,"children":7709},{},[7710],{"type":43,"value":7711},"stacking multiple revenue streams",{"type":43,"value":7713}," is becoming essential. In the early days, operators could focus on a single service — like FCR. Today, success means balancing day-ahead trading, Intraday opportunities, and several layers of ancillary services.",{"type":26,"tag":39,"props":7715,"children":7716},{},[7717],{"type":43,"value":7718},"This complexity requires expert trading strategy and deep market intelligence. That’s where Re-Twin Energy comes in. We model real-world market behavior — with no perfect foresight — to calculate realistic storage revenues across different durations and countries.",{"type":26,"tag":46,"props":7720,"children":7722},{"id":7721},"key-insights-to-gain",[7723],{"type":43,"value":7724},"Key Insights to gain",{"type":26,"tag":58,"props":7726,"children":7727},{},[7728],{"type":26,"tag":62,"props":7729,"children":7730},{},[7731],{"type":26,"tag":66,"props":7732,"children":7733},{},[7734],{"type":43,"value":7735},"Market Openings = Revenue Spikes",{"type":26,"tag":6753,"props":7737,"children":7739},{"code":7738},"The launch of new services like aFRR in France or ancillary markets in Poland causes short-term revenue jumps. But these markets saturate quickly. **Timing is everything.**\n",[7740],{"type":26,"tag":6758,"props":7741,"children":7742},{"__ignoreMap":7},[7743],{"type":43,"value":7738},{"type":26,"tag":58,"props":7745,"children":7746},{"start":618},[7747],{"type":26,"tag":62,"props":7748,"children":7749},{},[7750],{"type":26,"tag":66,"props":7751,"children":7752},{},[7753],{"type":43,"value":7754},"Longer-Duration Storage is the Future",{"type":26,"tag":6753,"props":7756,"children":7758},{"code":7757},"As simpler revenue streams like FCR decline, longer-duration systems (2-4 hours) become more attractive. They can trade across more markets, better handle volatility, and offer greater flexibility.\n",[7759],{"type":26,"tag":6758,"props":7760,"children":7761},{"__ignoreMap":7},[7762],{"type":43,"value":7757},{"type":26,"tag":58,"props":7764,"children":7765},{"start":621},[7766],{"type":26,"tag":62,"props":7767,"children":7768},{},[7769],{"type":26,"tag":66,"props":7770,"children":7771},{},[7772],{"type":43,"value":7773},"Cross-Market Optimization is Crucial",{"type":26,"tag":6753,"props":7775,"children":7777},{"code":7776},"In saturated markets, single-source revenue strategies fail. Smart R2M providers optimize across wholesale, Intraday, and balancing markets — sometimes minute-by-minute.\n",[7778],{"type":26,"tag":6758,"props":7779,"children":7780},{"__ignoreMap":7},[7781],{"type":43,"value":7776},{"type":26,"tag":58,"props":7783,"children":7785},{"start":7784},4,[7786],{"type":26,"tag":62,"props":7787,"children":7788},{},[7789],{"type":26,"tag":66,"props":7790,"children":7791},{},[7792],{"type":43,"value":7793},"Policy and Subsidy Design Drives Deployment",{"type":26,"tag":6753,"props":7795,"children":7797},{"code":7796},"Public funding, like Spain’s PERTE program or Poland’s capacity auctions, plays a huge role in enabling BESS investments. But the long-term business case must stand on market fundamentals.\n",[7798],{"type":26,"tag":6758,"props":7799,"children":7800},{"__ignoreMap":7},[7801],{"type":43,"value":7796},{"type":26,"tag":46,"props":7803,"children":7805},{"id":7804},"looking-ahead-what-it-all-means-for-investors",[7806],{"type":43,"value":7807},"Looking Ahead: What It All Means for Investors",{"type":26,"tag":39,"props":7809,"children":7810},{},[7811],{"type":43,"value":7812},"For energy storage investors, developers, and utilities, Europe offers rich — but complex — opportunities. The most successful projects will:",{"type":26,"tag":143,"props":7814,"children":7815},{},[7816,7826,7836,7846],{"type":26,"tag":62,"props":7817,"children":7818},{},[7819,7824],{"type":26,"tag":66,"props":7820,"children":7821},{},[7822],{"type":43,"value":7823},"Enter early",{"type":43,"value":7825}," in emerging markets to benefit from higher prices",{"type":26,"tag":62,"props":7827,"children":7828},{},[7829,7834],{"type":26,"tag":66,"props":7830,"children":7831},{},[7832],{"type":43,"value":7833},"Build for flexibility",{"type":43,"value":7835},", with longer-duration assets able to adapt to shifting price signals",{"type":26,"tag":62,"props":7837,"children":7838},{},[7839,7844],{"type":26,"tag":66,"props":7840,"children":7841},{},[7842],{"type":43,"value":7843},"Leverage smart trading and optimization",{"type":43,"value":7845},", not just static revenue models",{"type":26,"tag":62,"props":7847,"children":7848},{},[7849,7854],{"type":26,"tag":66,"props":7850,"children":7851},{},[7852],{"type":43,"value":7853},"Align with policy trends",{"type":43,"value":7855},", especially where subsidies de-risk capital investments",{"type":26,"tag":39,"props":7857,"children":7858},{},[7859],{"type":43,"value":7860},"Storage is about timing, intelligence, and adaptability in a rapidly changing grid. Europe’s next phase of the energy transition depends on how well storage stakeholders rise to that challenge.",{"type":26,"tag":39,"props":7862,"children":7863},{},[7864],{"type":43,"value":7865},"At Re-Twin Energy, we help storage asset owners and developers simulate, compare, and optimize BESS revenues across European markets. 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Learn about its legacy, limits, and the road ahead for the subsidy scheme.","05-22-2025",[1440,6896,6897],"/images/blog/the_german_eeg_legacy_limits_and_the_road_ahead_for_the_subsidy_scheme/cover.webp",{"type":23,"children":7906,"toc":8064},[7907,7910,7913,7918,7924,7929,7962,7967,7972,7977,7983,7988,7993,7998,8004,8009,8014,8020,8025,8030,8034,8039,8049,8052,8055,8058,8061],{"type":26,"tag":27,"props":7908,"children":7909},{"alt":7900,"caption":7,"position":1995,"src":7904},[],{"type":26,"tag":34,"props":7911,"children":7912},{":reading-time":1619,"author":11,"date":7902,"title":7900},[],{"type":26,"tag":39,"props":7914,"children":7915},{},[7916],{"type":43,"value":7917},"April 1, 2025 marked a milestone in Germany’s energy transition: the 25th anniversary of the Renewable Energy Sources Act (EEG). Lauded as a legislative breakthrough when it was introduced in 2000, the EEG fundamentally transformed how renewable energy was integrated into the German power system. It laid the foundation for one of the most successful renewable rollouts worldwide, yet now, a quarter-century later, its core principles are being reevaluated in the face of evolving market dynamics and legal frameworks.",{"type":26,"tag":46,"props":7919,"children":7921},{"id":7920},"from-principle-to-practice-what-remains",[7922],{"type":43,"value":7923},"From Principle to Practice: What Remains?",{"type":26,"tag":39,"props":7925,"children":7926},{},[7927],{"type":43,"value":7928},"The original EEG was built around three core tenets:",{"type":26,"tag":58,"props":7930,"children":7931},{},[7932,7942,7952],{"type":26,"tag":62,"props":7933,"children":7934},{},[7935,7940],{"type":26,"tag":66,"props":7936,"children":7937},{},[7938],{"type":43,"value":7939},"Grid priority",{"type":43,"value":7941}," for renewable electricity",{"type":26,"tag":62,"props":7943,"children":7944},{},[7945,7950],{"type":26,"tag":66,"props":7946,"children":7947},{},[7948],{"type":43,"value":7949},"Guaranteed remuneration",{"type":43,"value":7951}," for all power fed into the grid",{"type":26,"tag":62,"props":7953,"children":7954},{},[7955,7960],{"type":26,"tag":66,"props":7956,"children":7957},{},[7958],{"type":43,"value":7959},"Financing outside the state budget",{"type":43,"value":7961}," via a surcharge on electricity bills",{"type":26,"tag":39,"props":7963,"children":7964},{},[7965],{"type":43,"value":7966},"These principles not only ensured investment certainty but also opened the door to a diverse range of market participants: municipal utilities, farmer cooperatives, and citizen-led initiatives among them. In many ways, it democratized the energy sector.",{"type":26,"tag":39,"props":7968,"children":7969},{},[7970],{"type":43,"value":7971},"Fast forward to today, and much has changed. The surcharge model was abolished in 2022 and replaced by budgetary financing supported by CO₂ pricing revenues. That shift brought renewable remuneration under EU state aid rules, with significant consequences. Starting in 2027, projects receiving support must return excess profits, a so-called \"claw-back\" mechanism. While details are still under discussion, this marks a clear departure from the original guarantee of fixed payments.",{"type":26,"tag":39,"props":7973,"children":7974},{},[7975],{"type":43,"value":7976},"Meanwhile, grid priority has become increasingly complex to implement in a system where renewables now account for roughly 60% of total electricity generation. The sheer scale of renewable feed-in regularly tests the limits of grid infrastructure and market design.",{"type":26,"tag":46,"props":7978,"children":7980},{"id":7979},"a-competitive-transition",[7981],{"type":43,"value":7982},"A Competitive Transition",{"type":26,"tag":39,"props":7984,"children":7985},{},[7986],{"type":43,"value":7987},"The EEG has moved from ensuring a right to subsidies toward enabling fair participation in the market. This shift is not inherently negative, but it does raise questions about what kind of support remains necessary to maintain investor confidence and long-term planning stability.",{"type":26,"tag":39,"props":7989,"children":7990},{},[7991],{"type":43,"value":7992},"Some recent legislative changes, like the so-called Solar Package passed in early 2025, illustrate how this evolution continues. While aimed at addressing practical grid and market challenges, such as periods of negative prices, they have also altered remuneration rules in ways that make some investors uneasy.",{"type":26,"tag":39,"props":7994,"children":7995},{},[7996],{"type":43,"value":7997},"The new rules stipulate, for example, that no payment will be made for electricity produced during negative price intervals. This may seem like a rational market correction, but it directly undermines the original “priority and guaranteed payment” logic of the EEG. Even small-scale producers now face more volatility than in previous years.",{"type":26,"tag":46,"props":7999,"children":8001},{"id":8000},"the-role-of-diversity-and-the-risk-of-losing-it",[8002],{"type":43,"value":8003},"The Role of Diversity and the Risk of Losing It",{"type":26,"tag":39,"props":8005,"children":8006},{},[8007],{"type":43,"value":8008},"One of the EEG’s proudest achievements has been its ability to encourage broad participation in the energy transition. From rooftop solar systems to cooperatively owned wind farms, the diversity of actors has been essential in building social acceptance and financial resilience.",{"type":26,"tag":39,"props":8010,"children":8011},{},[8012],{"type":43,"value":8013},"This diversity is now under pressure. As the market matures, entry barriers are rising, not only due to increased technical complexity, but also because of growing risks linked to price exposure and uncertain remuneration models. Financial institutions have voiced concern, their message was clear: without a stable regulatory foundation, actor diversity will suffer.",{"type":26,"tag":46,"props":8015,"children":8017},{"id":8016},"a-law-in-constant-motion",[8018],{"type":43,"value":8019},"A Law in Constant Motion",{"type":26,"tag":39,"props":8021,"children":8022},{},[8023],{"type":43,"value":8024},"Despite its erosion in some areas, the EEG is not considered obsolete. If anything, its constant adaptation is a testament to its foundational role in the energy transition. New challenges will always arise, whether they relate to integrating battery storage, enabling flexible consumption, or aligning national rules with EU aid law.",{"type":26,"tag":39,"props":8026,"children":8027},{},[8028],{"type":43,"value":8029},"This does not mean clinging to outdated mechanisms. Rather, the EEG must evolve in ways that preserve its achievements while addressing new realities. Key among them: how to support flexibility across generation, storage, and demand; how to ensure predictable investment conditions in volatile markets; and how to sustain a broad and diverse set of market participants.",{"type":26,"tag":46,"props":8031,"children":8032},{"id":7366},[8033],{"type":43,"value":7369},{"type":26,"tag":39,"props":8035,"children":8036},{},[8037],{"type":43,"value":8038},"As Germany moves toward a decarbonized power sector, the framework underpinning that transition must be resilient. The EEG, for all its complexity, still represents a critical pillar. But its future will depend on whether policymakers can balance market efficiency with long-term certainty, and whether they choose to foster inclusivity over consolidation.",{"type":26,"tag":39,"props":8040,"children":8041},{},[8042,8044],{"type":43,"value":8043},"At Re-Twin we include revenue streams from the subsidy and show how the project business case is impacted by it. Create an account an exlopre it yourself: ",{"type":26,"tag":562,"props":8045,"children":8047},{"href":564,"rel":8046},[566],[8048],{"type":43,"value":564},{"type":26,"tag":596,"props":8050,"children":8051},{"author":11},[],{"type":26,"tag":600,"props":8053,"children":8054},{":blog":602,":type":1031,"blog":7},[],{"type":26,"tag":606,"props":8056,"children":8057},{},[],{"type":26,"tag":610,"props":8059,"children":8060},{},[],{"type":26,"tag":614,"props":8062,"children":8063},{},[],{"title":7,"searchDepth":618,"depth":618,"links":8065},[8066,8067,8068,8069,8070],{"id":7920,"depth":621,"text":7923},{"id":7979,"depth":621,"text":7982},{"id":8000,"depth":621,"text":8003},{"id":8016,"depth":621,"text":8019},{"id":7366,"depth":621,"text":7369},"content:blog:the_german_eeg_legacy_limits_and_the_road_ahead_for_the_subsidy_scheme.md","blog/the_german_eeg_legacy_limits_and_the_road_ahead_for_the_subsidy_scheme.md","blog/the_german_eeg_legacy_limits_and_the_road_ahead_for_the_subsidy_scheme",{"loc":7899},{"_path":8076,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":8077,"description":8078,"publishedAt":8079,"author":11,"tags":8080,"image":8081,"readingTime":1443,"body":8082,"_type":629,"_id":8465,"_source":631,"_file":8466,"_stem":8467,"_extension":634,"sitemap":8468},"/blog/the-future-of-global-energy-where-are-we-headed-by-2050","The future of global energy: Where are we headed by 2050?","The global energy landscape is undergoing a profound transformation. As governments, corporations, and research institutions grapple with the challenge of securing sustainable energy supplies while mitigating climate change, numerous studies and projections have emerged, providing insights into potential future scenarios. These projections serve as vital tools for strategic planning, highlighting how energy systems may evolve based on policy choices, technological advancements, and market dynamics.","05-02-2025",[3098,1441,3099],"/images/blog/the-future-of-global-energy-where-are-we-headed-by-2050/cover.webp",{"type":23,"children":8083,"toc":8453},[8084,8087,8090,8099,8103,8108,8117,8122,8127,8136,8141,8187,8196,8201,8210,8243,8252,8285,8294,8327,8336,8369,8378,8383,8426,8433,8438,8441,8444,8447,8450],{"type":26,"tag":27,"props":8085,"children":8086},{"alt":8077,"caption":8077,"src":8081},[],{"type":26,"tag":34,"props":8088,"children":8089},{":reading-time":1619,"author":11,"date":8079,"title":8077},[],{"type":26,"tag":46,"props":8091,"children":8093},{"id":8092},"introduction",[8094],{"type":26,"tag":66,"props":8095,"children":8096},{},[8097],{"type":43,"value":8098},"Introduction",{"type":26,"tag":39,"props":8100,"children":8101},{},[8102],{"type":43,"value":8078},{"type":26,"tag":39,"props":8104,"children":8105},{},[8106],{"type":43,"value":8107},"This article synthesizes various 2024 studies on global energy supply until 2050, comparing different forecasting methodologies and scenario-based approaches. The findings underscore key trends in primary energy consumption, electricity generation, and the role of renewables, fossil fuels, and emerging technologies.",{"type":26,"tag":46,"props":8109,"children":8111},{"id":8110},"historical-context-global-energy-consumption-trends",[8112],{"type":26,"tag":66,"props":8113,"children":8114},{},[8115],{"type":43,"value":8116},"Historical Context: Global Energy Consumption Trends",{"type":26,"tag":39,"props":8118,"children":8119},{},[8120],{"type":43,"value":8121},"Over the past four decades, energy demand has risen sharply, driven by population growth and economic expansion. Between 1985 and 2023, global primary energy consumption doubled, with fossil fuels, coal, oil, and natural gas, remaining the dominant energy sources. Despite growing investments in renewable energy, fossil fuels accounted for over 80% of global consumption in 2023, only slightly lower than in 1985.",{"type":26,"tag":39,"props":8123,"children":8124},{},[8125],{"type":43,"value":8126},"Electricity generation followed a similar trajectory, tripling over the same period. While renewables increased their market share, coal and natural gas continued to be the backbone of global power production. Looking ahead, energy demand is expected to rise further, with electricity playing an increasingly critical role in industry, transportation, and residential sectors.",{"type":26,"tag":46,"props":8128,"children":8130},{"id":8129},"forecasting-vs-scenario-based-analysis",[8131],{"type":26,"tag":66,"props":8132,"children":8133},{},[8134],{"type":43,"value":8135},"Forecasting vs. scenario-based analysis",{"type":26,"tag":39,"props":8137,"children":8138},{},[8139],{"type":43,"value":8140},"Energy outlooks generally fall into two categories:",{"type":26,"tag":58,"props":8142,"children":8143},{},[8144,8154],{"type":26,"tag":62,"props":8145,"children":8146},{},[8147,8152],{"type":26,"tag":66,"props":8148,"children":8149},{},[8150],{"type":43,"value":8151},"Forecasts:",{"type":43,"value":8153}," These are probabilistic models that project future energy demand and supply based on current policies, economic trends, and technological advancements. Forecasting institutions aim to provide a realistic picture of how the global energy system is likely to evolve under existing conditions.",{"type":26,"tag":62,"props":8155,"children":8156},{},[8157,8162,8164],{"type":26,"tag":66,"props":8158,"children":8159},{},[8160],{"type":43,"value":8161},"Scenarios:",{"type":43,"value":8163}," Unlike forecasts, scenarios explore multiple possible futures based on different policy decisions, behavioral changes, and technological breakthroughs. These can be classified as:\n",{"type":26,"tag":143,"props":8165,"children":8166},{},[8167,8177],{"type":26,"tag":62,"props":8168,"children":8169},{},[8170,8175],{"type":26,"tag":66,"props":8171,"children":8172},{},[8173],{"type":43,"value":8174},"Exploratory scenarios:",{"type":43,"value":8176}," Outlining various plausible pathways based on current trajectories and market developments.",{"type":26,"tag":62,"props":8178,"children":8179},{},[8180,8185],{"type":26,"tag":66,"props":8181,"children":8182},{},[8183],{"type":43,"value":8184},"Normative scenarios:",{"type":43,"value":8186}," Setting a predefined target, such as achieving net-zero emissions by 2050, and mapping the steps needed to reach it.",{"type":26,"tag":46,"props":8188,"children":8190},{"id":8189},"key-findings-from-2024-energy-studies",[8191],{"type":26,"tag":66,"props":8192,"children":8193},{},[8194],{"type":43,"value":8195},"Key findings from 2024 energy studies",{"type":26,"tag":39,"props":8197,"children":8198},{},[8199],{"type":43,"value":8200},"Several leading organizations - including international agencies, energy corporations, and research institutes - have published comprehensive studies outlining future energy trends. These studies highlight divergent perspectives on how energy systems might evolve, based on assumptions regarding policy, technology, and economic growth.",{"type":26,"tag":46,"props":8202,"children":8204},{"id":8203},"projected-trends-in-primary-energy-consumption",[8205],{"type":26,"tag":66,"props":8206,"children":8207},{},[8208],{"type":43,"value":8209},"Projected trends in primary energy consumption",{"type":26,"tag":143,"props":8211,"children":8212},{},[8213,8223,8233],{"type":26,"tag":62,"props":8214,"children":8215},{},[8216,8221],{"type":26,"tag":66,"props":8217,"children":8218},{},[8219],{"type":43,"value":8220},"Baseline growth:",{"type":43,"value":8222}," Some forecasts anticipate continued growth in global energy consumption, driven by population increases and industrialization. Under these projections, energy demand in 2050 could be 10-15% higher than in 2023.",{"type":26,"tag":62,"props":8224,"children":8225},{},[8226,8231],{"type":26,"tag":66,"props":8227,"children":8228},{},[8229],{"type":43,"value":8230},"Energy transition scenarios:",{"type":43,"value":8232}," More ambitious transition scenarios envision peak primary energy consumption by the mid-2030s, followed by a gradual decline as energy efficiency improves and renewable adoption accelerates.",{"type":26,"tag":62,"props":8234,"children":8235},{},[8236,8241],{"type":26,"tag":66,"props":8237,"children":8238},{},[8239],{"type":43,"value":8240},"Renewable energy growth:",{"type":43,"value":8242}," The share of renewables in the global energy mix is expected to rise significantly, with some projections estimating a tripling of renewable energy capacity by 2050.",{"type":26,"tag":46,"props":8244,"children":8246},{"id":8245},"electricity-generation-and-the-role-of-renewables",[8247],{"type":26,"tag":66,"props":8248,"children":8249},{},[8250],{"type":43,"value":8251},"Electricity generation and the role of renewables",{"type":26,"tag":143,"props":8253,"children":8254},{},[8255,8265,8275],{"type":26,"tag":62,"props":8256,"children":8257},{},[8258,8263],{"type":26,"tag":66,"props":8259,"children":8260},{},[8261],{"type":43,"value":8262},"Electrification trends:",{"type":43,"value":8264}," The shift toward electricity as the dominant energy carrier is a common theme across scenarios. Demand is expected to double or even triple by 2050, driven by sectors such as electric mobility, industrial electrification, and digital infrastructure.",{"type":26,"tag":62,"props":8266,"children":8267},{},[8268,8273],{"type":26,"tag":66,"props":8269,"children":8270},{},[8271],{"type":43,"value":8272},"Solar and wind expansion:",{"type":43,"value":8274}," Solar and wind power are expected to lead the transition, with some studies predicting they will contribute over 70% of global electricity generation by 2050.",{"type":26,"tag":62,"props":8276,"children":8277},{},[8278,8283],{"type":26,"tag":66,"props":8279,"children":8280},{},[8281],{"type":43,"value":8282},"The role of storage and grids:",{"type":43,"value":8284}," Increased reliance on variable renewable energy sources will necessitate advancements in grid infrastructure, energy storage, and demand-side management solutions.",{"type":26,"tag":46,"props":8286,"children":8288},{"id":8287},"fossil-fuel-outlook-decline-or-persistence",[8289],{"type":26,"tag":66,"props":8290,"children":8291},{},[8292],{"type":43,"value":8293},"Fossil fuel outlook: Decline or persistence?",{"type":26,"tag":143,"props":8295,"children":8296},{},[8297,8307,8317],{"type":26,"tag":62,"props":8298,"children":8299},{},[8300,8305],{"type":26,"tag":66,"props":8301,"children":8302},{},[8303],{"type":43,"value":8304},"Oil and gas:",{"type":43,"value":8306}," While most scenarios predict a decline in oil demand due to vehicle electrification, the role of natural gas remains uncertain. Some projections suggest continued reliance on gas as a transition fuel, particularly in industrial applications and power generation.",{"type":26,"tag":62,"props":8308,"children":8309},{},[8310,8315],{"type":26,"tag":66,"props":8311,"children":8312},{},[8313],{"type":43,"value":8314},"Coal phase-out:",{"type":43,"value":8316}," Coal is expected to see the sharpest decline, particularly in electricity generation, where it may be largely replaced by renewables and nuclear power in many regions.",{"type":26,"tag":62,"props":8318,"children":8319},{},[8320,8325],{"type":26,"tag":66,"props":8321,"children":8322},{},[8323],{"type":43,"value":8324},"Carbon capture utilization and storage (CCUS):",{"type":43,"value":8326}," Some scenarios incorporate widespread CCUS deployment to offset emissions from remaining fossil fuel use, though cost and scalability remain challenges.",{"type":26,"tag":46,"props":8328,"children":8330},{"id":8329},"hydrogen-and-emerging-technologies",[8331],{"type":26,"tag":66,"props":8332,"children":8333},{},[8334],{"type":43,"value":8335},"Hydrogen and emerging technologies",{"type":26,"tag":143,"props":8337,"children":8338},{},[8339,8349,8359],{"type":26,"tag":62,"props":8340,"children":8341},{},[8342,8347],{"type":26,"tag":66,"props":8343,"children":8344},{},[8345],{"type":43,"value":8346},"Hydrogen as a key enabler:",{"type":43,"value":8348}," Many studies highlight hydrogen’s potential in hard-to-electrify sectors, including heavy industry, aviation, and long-haul transport. 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Achieving this target requires:",{"type":26,"tag":143,"props":8384,"children":8385},{},[8386,8396,8406,8416],{"type":26,"tag":62,"props":8387,"children":8388},{},[8389,8394],{"type":26,"tag":66,"props":8390,"children":8391},{},[8392],{"type":43,"value":8393},"Accelerating energy efficiency improvements:",{"type":43,"value":8395}," Policies promoting energy efficiency in buildings, transportation, and industry can significantly reduce demand growth.",{"type":26,"tag":62,"props":8397,"children":8398},{},[8399,8404],{"type":26,"tag":66,"props":8400,"children":8401},{},[8402],{"type":43,"value":8403},"Scaling up renewable energy investment:",{"type":43,"value":8405}," Governments and private investors must increase funding for clean energy projects, particularly in emerging markets.",{"type":26,"tag":62,"props":8407,"children":8408},{},[8409,8414],{"type":26,"tag":66,"props":8410,"children":8411},{},[8412],{"type":43,"value":8413},"Implementing carbon pricing mechanisms:",{"type":43,"value":8415}," Uniform global carbon pricing could drive emissions reductions and incentivize low-carbon technologies.",{"type":26,"tag":62,"props":8417,"children":8418},{},[8419,8424],{"type":26,"tag":66,"props":8420,"children":8421},{},[8422],{"type":43,"value":8423},"Enhancing international cooperation:",{"type":43,"value":8425}," Collaborative efforts in technology transfer, infrastructure investment, and regulatory harmonization are essential to speeding up the energy transition.",{"type":26,"tag":46,"props":8427,"children":8428},{"id":571},[8429],{"type":26,"tag":66,"props":8430,"children":8431},{},[8432],{"type":43,"value":574},{"type":26,"tag":39,"props":8434,"children":8435},{},[8436],{"type":43,"value":8437},"The trajectory of global energy supply will be shaped by complex interdependencies between policy choices, technological breakthroughs, and economic trends. While uncertainty remains, one trend is clear: the world is moving towards a more electrified and renewables-driven energy system. The speed and scale of this transformation will determine whether global climate targets can be met. Policymakers, businesses, and investors must align efforts to drive an efficient, sustainable, and equitable energy transition.",{"type":26,"tag":596,"props":8439,"children":8440},{"author":11},[],{"type":26,"tag":600,"props":8442,"children":8443},{":blog":602,":type":603},[],{"type":26,"tag":606,"props":8445,"children":8446},{},[],{"type":26,"tag":610,"props":8448,"children":8449},{},[],{"type":26,"tag":614,"props":8451,"children":8452},{},[],{"title":7,"searchDepth":618,"depth":618,"links":8454},[8455,8456,8457,8458,8459,8460,8461,8462,8463,8464],{"id":8092,"depth":621,"text":8098},{"id":8110,"depth":621,"text":8116},{"id":8129,"depth":621,"text":8135},{"id":8189,"depth":621,"text":8195},{"id":8203,"depth":621,"text":8209},{"id":8245,"depth":621,"text":8251},{"id":8287,"depth":621,"text":8293},{"id":8329,"depth":621,"text":8335},{"id":8371,"depth":621,"text":8377},{"id":571,"depth":621,"text":574},"content:blog:the-future-of-global-energy-where-are-we-headed-by-2050.md","blog/the-future-of-global-energy-where-are-we-headed-by-2050.md","blog/the-future-of-global-energy-where-are-we-headed-by-2050",{"loc":8076},{"_path":8470,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":8471,"description":8472,"publishedAt":8473,"author":11,"tags":8474,"image":8475,"readingTime":1443,"body":8476,"_type":629,"_id":9245,"_source":631,"_file":9246,"_stem":9247,"_extension":634,"sitemap":9248},"/blog/the-right-bess-for-the-job-key-factors-for-profitability-and-market-fit","The right BESS for the job: Key factors for profitability and market fit","As the energy transition accelerates, battery energy storage systems (BESS) are playing a crucial role in stabilizing power grids, integrating renewables, and optimizing electricity markets. But not all BESS are created equal. Their efficiency, capacity, and cost structure determine how they deliver profitability and long-term value.","04-15-2025",[3098,1441,3099],"/images/blog/the-right-bess-for-the-job-key-factors-for-profitability-and-market-fit/cover.webp",{"type":23,"children":8477,"toc":9236},[8478,8482,8485,8509,8534,8553,8562,8573,8582,8600,8619,8628,8640,8707,8733,8742,8753,8786,8812,8830,8845,9019,9028,9054,9063,9129,9138,9156,9189,9207,9221,9224,9227,9230,9233],{"type":26,"tag":27,"props":8479,"children":8481},{"alt":8480,"caption":8471,"src":8475},"Key factors for profitability and market fit",[],{"type":26,"tag":34,"props":8483,"children":8484},{":reading-time":1619,"author":11,"date":8473,"title":8471},[],{"type":26,"tag":39,"props":8486,"children":8487},{},[8488,8490,8494,8496,8501,8503,8508],{"type":43,"value":8489},"As the energy transition accelerates, ",{"type":26,"tag":66,"props":8491,"children":8492},{},[8493],{"type":43,"value":7448},{"type":43,"value":8495}," are playing a crucial role in stabilizing power grids, integrating renewables, and optimizing electricity markets. But ",{"type":26,"tag":66,"props":8497,"children":8498},{},[8499],{"type":43,"value":8500},"not all BESS are created equal",{"type":43,"value":8502},". Their efficiency, capacity, and cost structure determine how they deliver ",{"type":26,"tag":66,"props":8504,"children":8505},{},[8506],{"type":43,"value":8507},"profitability and long-term value",{"type":43,"value":472},{"type":26,"tag":39,"props":8510,"children":8511},{},[8512,8514,8519,8521,8526,8528,8533],{"type":43,"value":8513},"Choosing the right system is not just about ",{"type":26,"tag":66,"props":8515,"children":8516},{},[8517],{"type":43,"value":8518},"picking the most advanced technology -",{"type":43,"value":8520}," it’s about finding ",{"type":26,"tag":66,"props":8522,"children":8523},{},[8524],{"type":43,"value":8525},"the best fit for market conditions, revenue opportunities, and regulatory requirements",{"type":43,"value":8527},". Energy storage is not a one-size-fits-all solution; rather, the ideal configuration depends on ",{"type":26,"tag":66,"props":8529,"children":8530},{},[8531],{"type":43,"value":8532},"technical performance, financial feasibility, and market participation strategy",{"type":43,"value":472},{"type":26,"tag":39,"props":8535,"children":8536},{},[8537,8539,8544,8546,8551],{"type":43,"value":8538},"In this article, we explore the key factors that influence ",{"type":26,"tag":66,"props":8540,"children":8541},{},[8542],{"type":43,"value":8543},"BESS profitability",{"type":43,"value":8545},", the ",{"type":26,"tag":66,"props":8547,"children":8548},{},[8549],{"type":43,"value":8550},"trade-offs between different storage configurations",{"type":43,"value":8552},", and how operators can optimize their systems for maximum returns.",{"type":26,"tag":46,"props":8554,"children":8556},{"id":8555},"what-makes-a-bess-profitable",[8557],{"type":26,"tag":66,"props":8558,"children":8559},{},[8560],{"type":43,"value":8561},"What Makes a BESS Profitable?",{"type":26,"tag":39,"props":8563,"children":8564},{},[8565,8567,8572],{"type":43,"value":8566},"The economic success of a battery storage system depends on several interconnected factors. Understanding these elements is crucial for ensuring ",{"type":26,"tag":66,"props":8568,"children":8569},{},[8570],{"type":43,"value":8571},"long-term profitability and operational efficiency",{"type":43,"value":472},{"type":26,"tag":46,"props":8574,"children":8576},{"id":8575},"_1-efficiency-and-energy-losses",[8577],{"type":26,"tag":66,"props":8578,"children":8579},{},[8580],{"type":43,"value":8581},"1. Efficiency and Energy Losses",{"type":26,"tag":39,"props":8583,"children":8584},{},[8585,8587,8592,8594,8599],{"type":43,"value":8586},"A battery’s ",{"type":26,"tag":66,"props":8588,"children":8589},{},[8590],{"type":43,"value":8591},"round-trip efficiency",{"type":43,"value":8593}," determines how much energy is lost between charging and discharging. Higher efficiency (typically 85-95%) means less wasted energy, enabling ",{"type":26,"tag":66,"props":8595,"children":8596},{},[8597],{"type":43,"value":8598},"greater revenue capture from market price spreads",{"type":43,"value":472},{"type":26,"tag":39,"props":8601,"children":8602},{},[8603,8605,8610,8612,8617],{"type":43,"value":8604},"However, while high-efficiency batteries generate more energy per cycle, they also tend to come with ",{"type":26,"tag":66,"props":8606,"children":8607},{},[8608],{"type":43,"value":8609},"higher upfront costs",{"type":43,"value":8611},". Therefore, a careful assessment is needed to determine if ",{"type":26,"tag":66,"props":8613,"children":8614},{},[8615],{"type":43,"value":8616},"the additional investment in efficiency",{"type":43,"value":8618}," is justified by higher revenue potential.",{"type":26,"tag":46,"props":8620,"children":8622},{"id":8621},"_2-storage-duration-and-capacity",[8623],{"type":26,"tag":66,"props":8624,"children":8625},{},[8626],{"type":43,"value":8627},"2. Storage Duration and Capacity",{"type":26,"tag":39,"props":8629,"children":8630},{},[8631,8633,8638],{"type":43,"value":8632},"One of the most critical decisions when selecting a BESS is determining the ",{"type":26,"tag":66,"props":8634,"children":8635},{},[8636],{"type":43,"value":8637},"optimal storage duration",{"type":43,"value":8639},". Different applications require different storage configurations:",{"type":26,"tag":143,"props":8641,"children":8642},{},[8643,8667,8690],{"type":26,"tag":62,"props":8644,"children":8645},{},[8646,8651,8653,8658,8660,8665],{"type":26,"tag":66,"props":8647,"children":8648},{},[8649],{"type":43,"value":8650},"Short-duration storage (2-4 hours)",{"type":43,"value":8652}," is well-suited for markets with ",{"type":26,"tag":66,"props":8654,"children":8655},{},[8656],{"type":43,"value":8657},"frequent price fluctuations",{"type":43,"value":8659},", such as ",{"type":26,"tag":66,"props":8661,"children":8662},{},[8663],{"type":43,"value":8664},"intraday trading and frequency response services",{"type":43,"value":8666},". 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These systems charge when renewable generation is high and discharge when demand spikes, reducing reliance on fossil fuels.",{"type":26,"tag":39,"props":8708,"children":8709},{},[8710,8712,8717,8719,8724,8726,8731],{"type":43,"value":8711},"In addition to storage duration, ",{"type":26,"tag":66,"props":8713,"children":8714},{},[8715],{"type":43,"value":8716},"the power-to-capacity ratio",{"type":43,"value":8718}," also matters. A ",{"type":26,"tag":66,"props":8720,"children":8721},{},[8722],{"type":43,"value":8723},"high power-to-capacity ratio (e.g., 1:1)",{"type":43,"value":8725}," is designed for short bursts of energy, while ",{"type":26,"tag":66,"props":8727,"children":8728},{},[8729],{"type":43,"value":8730},"a lower ratio (e.g., 1:3)",{"type":43,"value":8732}," focuses on extended discharge periods.",{"type":26,"tag":46,"props":8734,"children":8736},{"id":8735},"_3-market-revenues-and-cost-structure",[8737],{"type":26,"tag":66,"props":8738,"children":8739},{},[8740],{"type":43,"value":8741},"3. Market Revenues and Cost Structure",{"type":26,"tag":39,"props":8743,"children":8744},{},[8745,8747,8752],{"type":43,"value":8746},"A BESS makes money by capitalizing on electricity market price differences. But not all storage systems can ",{"type":26,"tag":66,"props":8748,"children":8749},{},[8750],{"type":43,"value":8751},"capture value in the same way",{"type":43,"value":472},{"type":26,"tag":143,"props":8754,"children":8755},{},[8756,8766,8776],{"type":26,"tag":62,"props":8757,"children":8758},{},[8759,8764],{"type":26,"tag":66,"props":8760,"children":8761},{},[8762],{"type":43,"value":8763},"Arbitrage opportunities",{"type":43,"value":8765}," occur when a battery charges during low-price periods and discharges when prices peak.",{"type":26,"tag":62,"props":8767,"children":8768},{},[8769,8774],{"type":26,"tag":66,"props":8770,"children":8771},{},[8772],{"type":43,"value":8773},"Ancillary services markets",{"type":43,"value":8775}," reward fast-response batteries for providing frequency regulation and other stability services.",{"type":26,"tag":62,"props":8777,"children":8778},{},[8779,8784],{"type":26,"tag":66,"props":8780,"children":8781},{},[8782],{"type":43,"value":8783},"Capacity markets",{"type":43,"value":8785}," compensate storage systems for ensuring grid reliability during peak demand.",{"type":26,"tag":39,"props":8787,"children":8788},{},[8789,8791,8796,8798,8803,8805,8810],{"type":43,"value":8790},"While ",{"type":26,"tag":66,"props":8792,"children":8793},{},[8794],{"type":43,"value":8795},"Levelized Cost of Storage (LCOS)",{"type":43,"value":8797}," is commonly used to evaluate storage economics, it often oversimplifies the ",{"type":26,"tag":66,"props":8799,"children":8800},{},[8801],{"type":43,"value":8802},"complex interaction between technology, cost structure, and market dynamics",{"type":43,"value":8804},". 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As battery costs decrease, they become more economically viable for grid operators, developers, and private companies alike.",{"type":26,"tag":39,"props":11206,"children":11207},{},[11208],{"type":43,"value":11209},"Re-Twin Energy supports the full lifecycle of battery energy storage systems, from initial investment analysis to electricity trading. Our goal is to ensure a stable supply of renewable power while maximizing returns for battery owners. With well-integrated storage solutions, grid operators can better match renewable energy generation with demand patterns, moving the electricity market toward a more sustainable, balanced future.",{"type":26,"tag":39,"props":11211,"children":11212},{},[11213],{"type":26,"tag":66,"props":11214,"children":11215},{},[11216],{"type":43,"value":574},{"type":26,"tag":39,"props":11218,"children":11219},{},[11220],{"type":43,"value":11221},"Batteries play a vital role in the evolving electricity market. By providing storage capacity for renewable energy, they enable a more flexible, resilient, and cost-effective grid. With advances in technology and supportive policies, batteries could be the key to achieving a cleaner and more sustainable energy system for the future.",{"type":26,"tag":596,"props":11223,"children":11224},{"author":11},[],{"type":26,"tag":600,"props":11226,"children":11227},{":blog":602,":type":1031,"blog":7},[],{"type":26,"tag":606,"props":11229,"children":11230},{},[],{"type":26,"tag":610,"props":11232,"children":11233},{},[],{"type":26,"tag":614,"props":11235,"children":11236},{},[],{"title":7,"searchDepth":618,"depth":618,"links":11238},[],"content:blog:how-the-german-electricity-market-works-its-challenges-and-the-essential-role-of-batteries.md","blog/how-the-german-electricity-market-works-its-challenges-and-the-essential-role-of-batteries.md","blog/how-the-german-electricity-market-works-its-challenges-and-the-essential-role-of-batteries",{"loc":11006},{"_path":11244,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":11245,"description":11246,"publishedAt":11009,"author":11,"tags":11247,"image":11248,"readingTime":621,"body":11249,"_type":629,"_id":11424,"_source":631,"_file":11425,"_stem":11426,"_extension":634,"sitemap":11427},"/blog/the-future-of-power-markets-what-lies-ahead-for-batteries","The Future of Power Markets: What Lies Ahead for Batteries?","The power markets are constantly evolving, reflecting shifts in technology, supply, demand, and regulatory frameworks. For battery operators and investors, understanding the future trajectory of these markets is essential for long-term planning and profitability.",[3098,1441,3099],"/images/blog/the-future-of-power-markets-what-lies-ahead-for-batteries/cover.webp",{"type":23,"children":11250,"toc":11416},[11251,11256,11259,11264,11270,11275,11280,11285,11291,11296,11301,11307,11312,11317,11322,11340,11345,11351,11356,11374,11379,11385,11390,11396,11401,11404,11407,11410,11413],{"type":26,"tag":27,"props":11252,"children":11255},{"alt":11253,"caption":11254,"position":2250,"src":11248},"person holding a clear glass","The Future of Power Markets",[],{"type":26,"tag":34,"props":11257,"children":11258},{":reading-time":1073,"author":11,"date":11009,"title":11245},[],{"type":26,"tag":39,"props":11260,"children":11261},{},[11262],{"type":43,"value":11263},"The power markets are constantly evolving, reflecting shifts in technology, supply, demand, and regulatory frameworks. For battery operators and investors, understanding the future trajectory of these markets is essential for long-term planning and profitability. Let's take a closer look at how the energy markets are expected to develop over the next 2, 5, and even 20 years, and what this means for energy storage solutions like batteries.",{"type":26,"tag":668,"props":11265,"children":11267},{"id":11266},"market-evolution-timeline",[11268],{"type":43,"value":11269},"Market Evolution Timeline",{"type":26,"tag":39,"props":11271,"children":11272},{},[11273],{"type":43,"value":11274},"In the short term (2-5 years), ancillary services such as Frequency Containment Reserve (FCR) and Automatic Frequency Restoration Reserve (AFRR) will remain important revenue streams for batteries. However, these markets are expected to reach saturation due to increasing competition as more battery and storage capacity enters the market. As a result, the potential for high revenues in these areas is likely to decline over time.",{"type":26,"tag":39,"props":11276,"children":11277},{},[11278],{"type":43,"value":11279},"Instead, the focus is shifting toward wholesale markets, particularly intraday trading and, to a lesser extent, day-ahead trading. These markets offer increasing revenue potential, especially as the dynamics of renewable energy integration and price volatility continue to grow.",{"type":26,"tag":39,"props":11281,"children":11282},{},[11283],{"type":43,"value":11284},"In the longer term (20+ years), ancillary services will still generate revenues, but their contribution to the overall revenue stack will diminish. Batteries will increasingly rely on wholesale trading opportunities to maximize returns. The driving force behind this trend is the interplay between opportunity costs and market spreads.",{"type":26,"tag":668,"props":11286,"children":11288},{"id":11287},"market-change-drivers",[11289],{"type":43,"value":11290},"Market Change Drivers",{"type":26,"tag":39,"props":11292,"children":11293},{},[11294],{"type":43,"value":11295},"One of the main drivers of this shift is the growing supply of battery and storage capacity entering ancillary markets. Unlike traditional energy producers, batteries do not bid into these markets with marginal costs. Instead, they base their bids on opportunity costs, which depend on potential profits from other markets like intraday or day-ahead trading.",{"type":26,"tag":39,"props":11297,"children":11298},{},[11299],{"type":43,"value":11300},"For instance, when wholesale market price spreads are large, the opportunity cost for a battery to participate in ancillary markets becomes very high. In such periods, batteries will place higher bids in ancillary markets, effectively pushing up the merit order and raising prices. This dynamic is reshaping the role and profitability of ancillary services.",{"type":26,"tag":668,"props":11302,"children":11304},{"id":11303},"german-market-analysis",[11305],{"type":43,"value":11306},"German Market Analysis",{"type":26,"tag":39,"props":11308,"children":11309},{},[11310],{"type":43,"value":11311},"Germany stands out as a highly developed and liquid power market, with batteries already playing an active role. Its intraday market, in particular, is one of the largest and most liquid in Europe, often serving as a hub for neighboring markets. This liquidity creates a wealth of opportunities for battery operators, especially in arbitrage trading and optimizing returns through continuous intraday trading.",{"type":26,"tag":39,"props":11313,"children":11314},{},[11315],{"type":43,"value":11316},"However, Germany also has notable differences compared to other countries. Unlike markets with long-term contracted revenues, such as capacity markets, Germany relies entirely on merchant revenues. While this creates significant opportunities for agile and technologically advanced operators, it also increases exposure to market volatility.",{"type":26,"tag":39,"props":11318,"children":11319},{},[11320],{"type":43,"value":11321},"Other European markets offer alternative revenue structures. For example:",{"type":26,"tag":143,"props":11323,"children":11324},{},[11325,11330,11335],{"type":26,"tag":62,"props":11326,"children":11327},{},[11328],{"type":43,"value":11329},"Italy has auctions for long-term contracts, providing predictable income for battery operators.",{"type":26,"tag":62,"props":11331,"children":11332},{},[11333],{"type":43,"value":11334},"Spain is planning similar auctions, signaling a shift toward hybrid revenue models.",{"type":26,"tag":62,"props":11336,"children":11337},{},[11338],{"type":43,"value":11339},"Poland already has a functioning capacity market in place, ensuring stability for participants.",{"type":26,"tag":39,"props":11341,"children":11342},{},[11343],{"type":43,"value":11344},"Germany's lack of a capacity market creates a more competitive environment where batteries must actively participate in power trading markets to secure revenues.",{"type":26,"tag":668,"props":11346,"children":11348},{"id":11347},"germanys-market-advantages",[11349],{"type":43,"value":11350},"Germany's Market Advantages",{"type":26,"tag":39,"props":11352,"children":11353},{},[11354],{"type":43,"value":11355},"Despite the absence of long-term contracted revenues, Germany remains an attractive market for batteries for several reasons.",{"type":26,"tag":58,"props":11357,"children":11358},{},[11359,11364,11369],{"type":26,"tag":62,"props":11360,"children":11361},{},[11362],{"type":43,"value":11363},"No Grid Fees: Batteries in Germany are exempt from paying grid fees, reducing operational costs and improving profitability.",{"type":26,"tag":62,"props":11365,"children":11366},{},[11367],{"type":43,"value":11368},"Market Size and Liquidity: Germany's large power market inspires trust and confidence among investors and operators. The depth of the intraday market, in particular, provides significant trading opportunities.",{"type":26,"tag":62,"props":11370,"children":11371},{},[11372],{"type":43,"value":11373},"Strategic Position: Germany's market often acts as a hub, connecting neighboring countries and creating additional opportunities for cross-border trading.",{"type":26,"tag":39,"props":11375,"children":11376},{},[11377],{"type":43,"value":11378},"While challenges exist, such as heightened competition and reliance on merchant revenues, the advantages make Germany a highly lucrative market for batteries, provided operators can navigate its complexities.",{"type":26,"tag":668,"props":11380,"children":11382},{"id":11381},"technologys-role",[11383],{"type":43,"value":11384},"Technology's Role",{"type":26,"tag":39,"props":11386,"children":11387},{},[11388],{"type":43,"value":11389},"As markets evolve, so too must the tools and strategies used by battery operators. The growing reliance on wholesale markets, coupled with the increasing complexity of trading, underscores the need for advanced technology solutions. Batteries will need to optimize their participation across multiple markets, from intraday trading to ancillary services, while carefully managing opportunity costs and market spreads.",{"type":26,"tag":668,"props":11391,"children":11393},{"id":11392},"re-twin-energys-solution",[11394],{"type":43,"value":11395},"Re-Twin Energy's Solution",{"type":26,"tag":39,"props":11397,"children":11398},{},[11399],{"type":43,"value":11400},"At Re-Twin Energy, we understand the challenges and opportunities that lie ahead for battery operators. Our solutions are designed to help navigate the complexities of evolving power markets, enabling operators to make data-driven decisions and maximize returns. By staying ahead of market trends and leveraging cutting-edge technology, we empower battery owners to thrive in a dynamic and competitive environment, ensuring they are prepared for the future of energy",{"type":26,"tag":596,"props":11402,"children":11403},{"author":11},[],{"type":26,"tag":600,"props":11405,"children":11406},{":blog":602,":type":603},[],{"type":26,"tag":606,"props":11408,"children":11409},{},[],{"type":26,"tag":610,"props":11411,"children":11412},{},[],{"type":26,"tag":614,"props":11414,"children":11415},{},[],{"title":7,"searchDepth":618,"depth":618,"links":11417},[11418,11419,11420,11421,11422,11423],{"id":11266,"depth":618,"text":11269},{"id":11287,"depth":618,"text":11290},{"id":11303,"depth":618,"text":11306},{"id":11347,"depth":618,"text":11350},{"id":11381,"depth":618,"text":11384},{"id":11392,"depth":618,"text":11395},"content:blog:the-future-of-power-markets-what-lies-ahead-for-batteries.md","blog/the-future-of-power-markets-what-lies-ahead-for-batteries.md","blog/the-future-of-power-markets-what-lies-ahead-for-batteries",{"loc":11244},{"_path":11429,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":11430,"description":11431,"publishedAt":11009,"author":11,"tags":11432,"image":11433,"readingTime":4220,"body":11434,"_type":629,"_id":11593,"_source":631,"_file":11594,"_stem":11595,"_extension":634,"sitemap":11596},"/blog/why-batteries-need-advanced-technology-for-maximizing-profits","Why Batteries need advanced technology for maximizing profits","Batteries are a key component in the transition to renewable energy. Learn how advanced technology can help maximize profits in the energy market.",[1440,6896,6897],"/images/blog/why-batteries-need-advanced-technology-for-maximizing-profits/cover.jpg",{"type":23,"children":11435,"toc":11585},[11436,11440,11443,11448,11453,11458,11464,11469,11487,11492,11497,11500,11506,11511,11516,11521,11527,11532,11537,11543,11548,11554,11559,11565,11570,11573,11576,11579,11582],{"type":26,"tag":27,"props":11437,"children":11439},{"alt":11430,"caption":11438,"position":1995,"src":11433},"Batteries are a key component in the transition to renewable energy.",[],{"type":26,"tag":34,"props":11441,"children":11442},{":reading-time":1452,"author":11,"date":11009,"title":11430},[],{"type":26,"tag":39,"props":11444,"children":11445},{},[11446],{"type":43,"value":11447},"The German power market is one of the most advanced globally when it comes to utilizing batteries for energy storage. These batteries generate value primarily through two mechanisms:",{"type":26,"tag":39,"props":11449,"children":11450},{},[11451],{"type":43,"value":11452},"Firstly, batteries provide ancillary services in control energy markets such as Frequency Containment Reserve (FCR) and Automatic Frequency Restoration (AFRR). These markets are critical for maintaining grid stability by balancing frequency deviations.",{"type":26,"tag":39,"props":11454,"children":11455},{},[11456],{"type":43,"value":11457},"Secondly, batteries engage in arbitrage trading in the day-ahead and intraday markets. This involves purchasing energy when prices are low, storing it in the battery, and selling it when prices rise. While markets like the UK allow batteries to participate in imbalance trading, this is not permitted in Germany, adding another layer of complexity.",{"type":26,"tag":668,"props":11459,"children":11461},{"id":11460},"why-is-the-energy-market-so-complex",[11462],{"type":43,"value":11463},"Why is the Energy Market So Complex?",{"type":26,"tag":39,"props":11465,"children":11466},{},[11467],{"type":43,"value":11468},"The opportunities for batteries in the energy market come with significant complexity. The rules, timelines, and mechanisms for each market differ. For example, bidding times vary across markets:",{"type":26,"tag":143,"props":11470,"children":11471},{},[11472,11477,11482],{"type":26,"tag":62,"props":11473,"children":11474},{},[11475],{"type":43,"value":11476},"The FCR market requires bids by 8:00 AM the day before delivery.",{"type":26,"tag":62,"props":11478,"children":11479},{},[11480],{"type":43,"value":11481},"The AFRR capacity market follows at 9:00 AM.",{"type":26,"tag":62,"props":11483,"children":11484},{},[11485],{"type":43,"value":11486},"Bidding for the day-ahead market closes three hours later, and subsequent bids for the intraday market follow shortly after.",{"type":26,"tag":39,"props":11488,"children":11489},{},[11490],{"type":43,"value":11491},"The delivery periods also vary. Ancillary services often involve four-hour durations, while the AFRR energy market has shorter 15-minute intervals. The day-ahead market operates with one-hour products, while the intraday market splits into 15-minute windows.",{"type":26,"tag":39,"props":11493,"children":11494},{},[11495],{"type":43,"value":11496},"On top of this, auction mechanisms differ. Some products use a pay-as-bid scheme, where bidders receive the price they offer, while others use pay-as-clear, where all participants receive the clearing price. Battery operators must decide how and when to allocate their capacity, which can only be sold once during a given timeframe.",{"type":26,"tag":600,"props":11498,"children":11499},{":blog":602,":type":603,"blog":7},[],{"type":26,"tag":668,"props":11501,"children":11503},{"id":11502},"what-is-continuous-intraday-trading-and-why-is-it-important",[11504],{"type":43,"value":11505},"What is Continuous Intraday Trading, and Why is it Important?",{"type":26,"tag":39,"props":11507,"children":11508},{},[11509],{"type":43,"value":11510},"The German intraday market is highly liquid, making it a crucial revenue source for batteries. One unique feature is continuous intraday trading, where traders can buy and sell the same product multiple times before physical delivery.",{"type":26,"tag":39,"props":11512,"children":11513},{},[11514],{"type":43,"value":11515},"For example, a trader might sell a product for the 13:00–13:15 time slot at 8:00 AM, buy it back at 9:00 AM, and repeat the cycle several times. Each transaction generates arbitrage gains from price differences, creating revenue without physically charging or discharging the battery.",{"type":26,"tag":39,"props":11517,"children":11518},{},[11519],{"type":43,"value":11520},"This trading activity is particularly relevant in a grid dominated by renewable energy, where forecasting errors and demand fluctuations create uncertainty. Continuous trading enables fine-tuning close to the delivery window, ensuring the battery is ultimately used where it delivers the highest value.",{"type":26,"tag":668,"props":11522,"children":11524},{"id":11523},"how-much-revenue-can-batteries-generate",[11525],{"type":43,"value":11526},"How Much Revenue Can Batteries Generate?",{"type":26,"tag":39,"props":11528,"children":11529},{},[11530],{"type":43,"value":11531},"The revenue potential of a battery depends on its configuration, such as its size and duration. Larger batteries with longer durations can access more markets and unlock greater revenue potential. On average, about two-thirds of revenue for German batteries comes from energy-driven markets like AFRR, day-ahead, and intraday trading. The remaining one-third comes from ancillary services like AFRR and FCR.",{"type":26,"tag":39,"props":11533,"children":11534},{},[11535],{"type":43,"value":11536},"To optimize revenues, battery operators need to balance multiple revenue streams while minimizing wear and tear on their assets. This requires advanced forecasting, data analysis, and dynamic decision-making.",{"type":26,"tag":668,"props":11538,"children":11540},{"id":11539},"how-do-trading-strategies-evolve",[11541],{"type":43,"value":11542},"How Do Trading Strategies Evolve?",{"type":26,"tag":39,"props":11544,"children":11545},{},[11546],{"type":43,"value":11547},"Battery trading strategies must be optimized in real time, adapting to changing market conditions. While overall market patterns remain relatively stable, small daily variations can significantly alter dispatch schedules. This requires frequent updates to trading strategies, informed by detailed market data and predictive analytics.",{"type":26,"tag":668,"props":11549,"children":11551},{"id":11550},"how-can-battery-owners-navigate-this-complexity",[11552],{"type":43,"value":11553},"How Can Battery Owners Navigate This Complexity?",{"type":26,"tag":39,"props":11555,"children":11556},{},[11557],{"type":43,"value":11558},"The German power market offers immense opportunities, but its complexity makes managing energy storage assets a daunting task. On any given day, a battery can be traded across more than 300 different contracts. Without advanced tools, this level of complexity would be impossible to manage effectively.",{"type":26,"tag":668,"props":11560,"children":11562},{"id":11561},"how-re-twin-energy-helps-maximize-returns",[11563],{"type":43,"value":11564},"How Re-Twin Energy Helps Maximize Returns",{"type":26,"tag":39,"props":11566,"children":11567},{},[11568],{"type":43,"value":11569},"At Re-Twin Energy, we provide cutting-edge solutions to help battery owners navigate the complexities of power markets. Our technology enables you to forecast market conditions, optimize trading strategies, and make data-driven decisions with ease. By simplifying the complexities of energy storage management, we ensure that battery owners maximize their returns while contributing to a more sustainable energy future.",{"type":26,"tag":596,"props":11571,"children":11572},{"author":11},[],{"type":26,"tag":600,"props":11574,"children":11575},{":blog":602,":type":1031,"blog":7},[],{"type":26,"tag":606,"props":11577,"children":11578},{},[],{"type":26,"tag":610,"props":11580,"children":11581},{},[],{"type":26,"tag":614,"props":11583,"children":11584},{},[],{"title":7,"searchDepth":618,"depth":618,"links":11586},[11587,11588,11589,11590,11591,11592],{"id":11460,"depth":618,"text":11463},{"id":11502,"depth":618,"text":11505},{"id":11523,"depth":618,"text":11526},{"id":11539,"depth":618,"text":11542},{"id":11550,"depth":618,"text":11553},{"id":11561,"depth":618,"text":11564},"content:blog:why-batteries-need-advanced-technology-for-maximizing-profits.md","blog/why-batteries-need-advanced-technology-for-maximizing-profits.md","blog/why-batteries-need-advanced-technology-for-maximizing-profits",{"loc":11429},{"_path":11598,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":11599,"description":11600,"publishedAt":11601,"author":11,"tags":11602,"image":11603,"readingTime":618,"body":11604,"_type":629,"_id":11723,"_source":631,"_file":11724,"_stem":11725,"_extension":634,"sitemap":11726},"/blog/ai-in-energy-trading","AI in Energy Trading: Algos Are Just the Beginning!","Algorithmic (algo) trading has transformed energy markets, but we’re only scratching the surface of what is possible. Today’s energy traders manage up to 96 products simultaneously in fast-paced intraday and continuous markets — a complex challenge that’s increasingly beyond human capacity. Therefore, algos step in to handle the bulk of trades, bringing speed and precision to the table especially when trading frequencies skyrocket right before delivery time, while human traders focus on larger, strategic moves.","10-22-2024",[3098,1441,3099],"/images/blog/ai-in-energy/cover.webp",{"type":23,"children":11605,"toc":11721},[11606,11610,11613,11625,11664,11676,11680,11685,11690,11706,11709,11712,11715,11718],{"type":26,"tag":27,"props":11607,"children":11609},{"alt":4704,"caption":11608,"src":11603},"Algorithmic (algo) trading has transformed energy markets, but we’re only scratching the surface of what is possible.",[],{"type":26,"tag":34,"props":11611,"children":11612},{":reading-time":1031,"author":11,"date":11601,"title":11599},[],{"type":26,"tag":39,"props":11614,"children":11615},{},[11616,11618,11623],{"type":43,"value":11617},"Algorithmic (algo) trading has transformed energy markets, but we’re only scratching the surface of what is possible. Today’s energy traders manage up to ",{"type":26,"tag":66,"props":11619,"children":11620},{},[11621],{"type":43,"value":11622},"96 products simultaneously",{"type":43,"value":11624}," in fast-paced intraday and continuous markets — a complex challenge that’s increasingly beyond human capacity. Therefore, algos step in to handle the bulk of trades, bringing speed and precision to the table especially when trading frequencies skyrocket right before delivery time, while human traders focus on larger, strategic moves.",{"type":26,"tag":39,"props":11626,"children":11627},{},[11628,11630,11635,11637,11644,11646,11653,11655,11662],{"type":43,"value":11629},"This is why in Europe, over ",{"type":26,"tag":66,"props":11631,"children":11632},{},[11633],{"type":43,"value":11634},"65% of power spot market trades are now performed by algorithms",{"type":43,"value":11636}," (source: ",{"type":26,"tag":562,"props":11638,"children":11641},{"href":11639,"rel":11640},"https://www.trayport.com/blog/the-role-of-algorithms-in-energy-trading/",[566],[11642],{"type":43,"value":11643},"trayport",{"type":43,"value":11645},"). This number is set to grow as the EU pushes towards market consolidation through initiatives like the European Green Deal (",{"type":26,"tag":562,"props":11647,"children":11650},{"href":11648,"rel":11649},"https://www.iea.org/reports/world-energy-investment-2024/european-union",[566],[11651],{"type":43,"value":11652},"IEA",{"type":43,"value":11654},") (",{"type":26,"tag":562,"props":11656,"children":11659},{"href":11657,"rel":11658},"https://commission.europa.eu/strategy-and-policy/priorities-2019-2024/european-green-deal/energy-and-green-deal_en",[566],[11660],{"type":43,"value":11661},"European Commission",{"type":43,"value":11663},") and the integration of renewables increases market volatility which makes algo trading essential to handle complexity and stay up to speed.",{"type":26,"tag":39,"props":11665,"children":11666},{},[11667,11669,11674],{"type":43,"value":11668},"While algos are great at executing strategies, the human element remains important in setting up those strategies and configurating the algos accordingly. On average such a setup can take ",{"type":26,"tag":66,"props":11670,"children":11671},{},[11672],{"type":43,"value":11673},"1-2 weeks",{"type":43,"value":11675},", and the algo only remains relevant for 4-6 weeks before it needs adjustments. This constant tweaking—though streamlined by standardized toolboxes—still consumes time and resources. This is where AI twill truly transform the game as it has the power to automate, and enable more efficient, adaptive systems to ultimately reduce costs.",{"type":26,"tag":270,"props":11677,"children":11679},{"alt":1380,"caption":1380,"src":11678},"/images/blog/ai-in-energy/photo-1.webp",[],{"type":26,"tag":39,"props":11681,"children":11682},{},[11683],{"type":43,"value":11684},"But AI does not stop there. While setting up an algo may be straightforward, AI's ability to manage the data behind the trades elevates the trading to the next level. Figuring out which data is relevant, translating it for the algo, and enabling tech systems to communicate—is where AI can truly shine. As market conditions change, AI can automatically adjust strategies, cutting the need for constant human intervention.",{"type":26,"tag":39,"props":11686,"children":11687},{},[11688],{"type":43,"value":11689},"In summary, algos have proven their worth as reliable executors, gaining trust in the energy market. Now, AI can take the reins, automating strategy development, analysing assets in real-time, and reducing the cost of strategy adjustments. This is just the beginning—AI will unlock new opportunities and contribute to make energy trading smarter and more sustainable.",{"type":26,"tag":39,"props":11691,"children":11692},{},[11693,11694,11704],{"type":43,"value":9142},{"type":26,"tag":562,"props":11695,"children":11698},{"href":11696,"rel":11697},"https://app.re-twin.energy",[566],[11699],{"type":26,"tag":66,"props":11700,"children":11701},{},[11702],{"type":43,"value":11703},"Re-twin Energy",{"type":43,"value":11705},", we’re pushing these boundaries. The future is here—let’s take energy trading to the next level with AI!",{"type":26,"tag":596,"props":11707,"children":11708},{"author":11},[],{"type":26,"tag":600,"props":11710,"children":11711},{":blog":602,":type":603},[],{"type":26,"tag":606,"props":11713,"children":11714},{},[],{"type":26,"tag":610,"props":11716,"children":11717},{},[],{"type":26,"tag":614,"props":11719,"children":11720},{},[],{"title":7,"searchDepth":618,"depth":618,"links":11722},[],"content:blog:ai-in-energy-trading.md","blog/ai-in-energy-trading.md","blog/ai-in-energy-trading",{"loc":11598},{"_path":11728,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":11729,"description":11730,"publishedAt":11601,"author":1609,"tags":11731,"image":11734,"readingTime":621,"body":11735,"_type":629,"_id":11863,"_source":631,"_file":11864,"_stem":11865,"_extension":634,"sitemap":11866},"/blog/beat-the-market-challenge","Beat The Market Challenges!","In recent years, the European energy market has transformed rapidly, with more small-scale battery owners and traders entering the scene. The promise of earning through energy trading is attractive to individuals and small businesses who want to maximize the return on their battery storage investments. However, as the market grows, so do the challenges — and many battery owners are finding that the returns aren’t what they expected.",[11732,6896,11733],"government policies","green energy","/images/blog/beat-the-market-challenge/cover.webp",{"type":23,"children":11736,"toc":11859},[11737,11742,11745,11753,11757,11763,11768,11773,11779,11785,11797,11802,11818,11835,11844,11847,11850,11853,11856],{"type":26,"tag":27,"props":11738,"children":11741},{":alt":11739,":caption":11740,":src":11734},"Wind turbines and solar panels as part of renewable energy adoption","How Changes in the Energy Market Are Impacting Battery Owners — and What We Can Do to Help",[],{"type":26,"tag":34,"props":11743,"children":11744},{":author":1609,":date":11601,":reading-time":1073,":title":11729},[],{"type":26,"tag":39,"props":11746,"children":11747},{},[11748],{"type":26,"tag":11749,"props":11750,"children":11751},"i",{},[11752],{"type":43,"value":11740},{"type":26,"tag":39,"props":11754,"children":11755},{},[11756],{"type":43,"value":11730},{"type":26,"tag":668,"props":11758,"children":11760},{"id":11759},"challenges-for-small-battery-owners",[11761],{"type":43,"value":11762},"Challenges for Small Battery Owners",{"type":26,"tag":39,"props":11764,"children":11765},{},[11766],{"type":43,"value":11767},"One of the main concerns is the high fees that energy trading platforms charge. For smaller battery owners, these margin fees can cut deeply into potential profits, making trading less appealing. Furthermore, the rapid increase in new trading platforms and competitors in the market means that the price difference between buying and selling energy is narrowing. With more players entering the market, the opportunities for individual traders to make a significant profit decrease.",{"type":26,"tag":39,"props":11769,"children":11770},{},[11771],{"type":43,"value":11772},"As more energy trading companies emerge, this crowded field increases competition, which drives down the profit margins for each trade. Ultimately, this means smaller battery owners are often left with lower returns and higher costs — a frustrating outcome for those looking to capitalize on their stored energy.",{"type":26,"tag":668,"props":11774,"children":11776},{"id":11775},"our-solution-a-better-way-to-maximize-your-energy-investment",[11777],{"type":43,"value":11778},"Our Solution: A Better Way to Maximize Your Energy Investment",{"type":26,"tag":270,"props":11780,"children":11784},{":caption":11781,"alt":11782,"src":11783},"null","Solar panels next to a battery storage unit","/images/blog/beat-the-market-challenge/image-1.webp",[],{"type":26,"tag":39,"props":11786,"children":11787},{},[11788,11789,11795],{"type":43,"value":9142},{"type":26,"tag":562,"props":11790,"children":11793},{"href":11791,"rel":11792},"http://re-twin.energy",[566],[11794],{"type":43,"value":102},{"type":43,"value":11796},", we have created a solution designed specifically with small battery owners in mind. Our platform offers competitive, low-fee trading options that allow you to keep more of your earnings. We also provide transparent pricing and resources to help you understand market trends, so you can make informed trading decisions.",{"type":26,"tag":39,"props":11798,"children":11799},{},[11800],{"type":43,"value":11801},"With our system, we prioritize accessibility, fairness, and support for individual battery owners who want to navigate the energy market confidently and profitably. 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With a growing focus on renewable sources, the potential for maximizing returns on energy storage investments has never been greater.",[3098,120,3099],"/images/blog/join-the-energy-revolution/cover.webp",{"type":23,"children":11874,"toc":12030},[11875,11879,11882,11886,11891,11905,11910,11921,11934,11940,11945,11950,11955,11961,11966,11972,11978,11983,11989,11994,12002,12015,12018,12021,12024,12027],{"type":26,"tag":27,"props":11876,"children":11878},{"alt":4704,"caption":11877,"position":2250,"src":11872},"Unlock Hidden Profits: How AI Can Supercharge Your Energy Storage",[],{"type":26,"tag":34,"props":11880,"children":11881},{":reading-time":1031,"author":1609,"date":11601,"title":11599},[],{"type":26,"tag":39,"props":11883,"children":11884},{},[11885],{"type":43,"value":11870},{"type":26,"tag":39,"props":11887,"children":11888},{},[11889],{"type":43,"value":11890},"But in a crowded marketplace, how can you ensure your investments yield the maximum returns? The answer lies in the groundbreaking power of artificial intelligence (AI).",{"type":26,"tag":668,"props":11892,"children":11894},{"id":11893},"why-choose-re-twinenergy",[11895,11897,11904],{"type":43,"value":11896},"Why Choose ",{"type":26,"tag":562,"props":11898,"children":11901},{"href":11899,"rel":11900},"http://re-twin.energy/",[566],[11902],{"type":43,"value":11903},"Re-Twin Energy",{"type":43,"value":2773},{"type":26,"tag":39,"props":11906,"children":11907},{},[11908],{"type":43,"value":11909},"The European energy storage market is expanding rapidly, with numerous platforms competing for your attention. So, what makes us different?",{"type":26,"tag":39,"props":11911,"children":11912},{},[11913,11915,11918],{"type":43,"value":11914},"We set ourselves apart with:",{"type":26,"tag":589,"props":11916,"children":11917},{},[],{"type":26,"tag":589,"props":11919,"children":11920},{},[],{"type":26,"tag":143,"props":11922,"children":11923},{},[11924,11929],{"type":26,"tag":62,"props":11925,"children":11926},{},[11927],{"type":43,"value":11928},"Innovative Digital Twin Technology",{"type":26,"tag":62,"props":11930,"children":11931},{},[11932],{"type":43,"value":11933},"Personalized Insights",{"type":26,"tag":668,"props":11935,"children":11937},{"id":11936},"revolutionary-digital-twin-technology",[11938],{"type":43,"value":11939},"Revolutionary Digital Twin Technology",{"type":26,"tag":39,"props":11941,"children":11942},{},[11943],{"type":43,"value":11944},"Imagine having a virtual version of your energy storage system right at your fingertips. Just like any energy asset, you start by building a strong business case. Our digital twin technology allows you to simulate this business case using real market data.",{"type":26,"tag":39,"props":11946,"children":11947},{},[11948],{"type":43,"value":11949},"Once you have your business case in place, you can dive into live benchmarking on our platform. Here, you can test different trading strategies and scenarios as you develop your asset. When the asset is ready to go live, you can seamlessly execute real trades in the market to maximize your returns.",{"type":26,"tag":39,"props":11951,"children":11952},{},[11953],{"type":43,"value":11954},"This powerful tool helps you understand market trends, predict outcomes, and make smart decisions that can significantly boost your profits. With our four key modules — investment analysis, live benchmarking, energy market trading, and portfolio management — you’re equipped to succeed every step of the way.",{"type":26,"tag":668,"props":11956,"children":11958},{"id":11957},"live-benchmarking-madeeasy",[11959],{"type":43,"value":11960},"Live Benchmarking Made Easy",{"type":26,"tag":39,"props":11962,"children":11963},{},[11964],{"type":43,"value":11965},"With our digital twin system, you can easily engage in live benchmarking to test your strategies and improve your performance. This feature helps you fine-tune your approach, adapt to market changes, and find the best opportunities — all in a safe environment. By simulating market conditions, you’ll be ready to make informed decisions when it really counts.",{"type":26,"tag":270,"props":11967,"children":11971},{"alt":11968,"caption":11969,"src":11970},"Energy Trading graphic","Harnessing AI for Smarter Energy Trading: A Glimpse into the Future","/images/blog/join-the-energy-revolution/image-1.webp",[],{"type":26,"tag":668,"props":11973,"children":11975},{"id":11974},"tailored-insights-foryou",[11976],{"type":43,"value":11977},"Tailored Insights for you",{"type":26,"tag":39,"props":11979,"children":11980},{},[11981],{"type":43,"value":11982},"What truly sets us apart is our commitment to personalization. We understand that no two assets are alike. That’s why our platform tailors insights to your specific case and objectives. Whether you’re a seasoned investor or new to the energy storage market, our user-friendly interface transforms complex data into straightforward recommendations.",{"type":26,"tag":668,"props":11984,"children":11986},{"id":11985},"the-ai-advantage-making-sense-of-complexity",[11987],{"type":43,"value":11988},"The AI Advantage: Making Sense of Complexity",{"type":26,"tag":39,"props":11990,"children":11991},{},[11992],{"type":43,"value":11993},"AI is changing the game for energy storage investments. Recent studies suggest that by 2030, we could see over 200 GW of energy storage capacity in the EU, with that number potentially reaching 600 GW by 2050. Now is the time to act and capitalize on this opportunity!",{"type":26,"tag":39,"props":11995,"children":11996},{},[11997],{"type":26,"tag":66,"props":11998,"children":11999},{},[12000],{"type":43,"value":12001},"Seize the moment — empower your energy investments with The Re-Twin Energy Platform and start seeing results today!",{"type":26,"tag":39,"props":12003,"children":12004},{},[12005],{"type":26,"tag":562,"props":12006,"children":12008},{"href":1012,"rel":12007},[566],[12009,12010,12014],{"type":43,"value":11827},{"type":26,"tag":66,"props":12011,"children":12012},{},[12013],{"type":43,"value":11832},{"type":43,"value":11834},{"type":26,"tag":596,"props":12016,"children":12017},{"author":1609},[],{"type":26,"tag":600,"props":12019,"children":12020},{":blog":602,":type":1031,"blog":7},[],{"type":26,"tag":606,"props":12022,"children":12023},{},[],{"type":26,"tag":610,"props":12025,"children":12026},{},[],{"type":26,"tag":614,"props":12028,"children":12029},{},[],{"title":7,"searchDepth":618,"depth":618,"links":12031},[12032,12034,12035,12036,12037],{"id":11893,"depth":618,"text":12033},"Why Choose Re-Twin Energy?",{"id":11936,"depth":618,"text":11939},{"id":11957,"depth":618,"text":11960},{"id":11974,"depth":618,"text":11977},{"id":11985,"depth":618,"text":11988},"content:blog:join-the-revolution.md","blog/join-the-revolution.md","blog/join-the-revolution",{"loc":11868},[12043,12958,13836],{"_path":12044,"_dir":12045,"_draft":6,"_partial":6,"_locale":7,"title":12046,"description":12047,"publishedAt":12048,"author":1609,"author2":12049,"tags":12050,"image":12051,"readingTime":1443,"body":12052,"_type":629,"_id":12954,"_source":631,"_file":12955,"_stem":12956,"_extension":634,"sitemap":12957},"/blog/whitepapers/white-paper-ffe","whitepapers","The Structural Value of BESS: How Long-Term Forecasts Reshape Revenue Expectations","This paper is a joint publication by Re-Twin Energy and FfE (Forschungsstelle für Energiewirtschaft e.V.). 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Re-Twin Energy provides battery storage revenue modelling and optimization, while FfE contributes long-term fundamental electricity price forecasts through its ISAaR energy system model. Together, these two methodologies form the basis for the structural BESS revenue analysis presented in this paper.",{"type":26,"tag":39,"props":12082,"children":12083},{},[12084,12086,12096],{"type":43,"value":12085},"Battery Energy Storage Systems (BESS) are typically assessed based on historical backtests that simulate market volatility observed in practice. In 2025, the German wholesale market was characterized by extreme conditions, such as lower renewable generation, thermal plant unavailability, and day-ahead price spikes above €400/MWh, which significantly exaggerated short-term arbitrage returns.",{"type":26,"tag":12087,"props":12088,"children":12089},"sup",{},[12090],{"type":26,"tag":562,"props":12091,"children":12094},{"href":12092,"style":12093},"#ref-1","color:#7c3aed;",[12095],{"type":43,"value":2357},{"type":43,"value":12097}," Backtests thus simulate the possible outcomes of extreme market volatility, rather than what is feasible in the long term.",{"type":26,"tag":39,"props":12099,"children":12100},{},[12101,12103,12111,12113],{"type":43,"value":12102},"Conversely, long-term electricity price projections are based on forward-looking system models that account for the expansion of renewables, electrification, flexibility demand, and system price formation dynamics.",{"type":26,"tag":12087,"props":12104,"children":12105},{},[12106],{"type":26,"tag":562,"props":12107,"children":12109},{"href":12108,"style":12093},"#ref-2",[12110],{"type":43,"value":2397},{"type":43,"value":12112}," As the share of renewables grows, the process of spread formation becomes more representative of system equilibrium than isolated events. However, cannibalization trends at high market penetration levels could potentially reduce structural revenue opportunities.",{"type":26,"tag":12087,"props":12114,"children":12115},{},[12116],{"type":26,"tag":562,"props":12117,"children":12119},{"href":12118,"style":12093},"#ref-3",[12120],{"type":43,"value":2418},{"type":26,"tag":39,"props":12122,"children":12123},{},[12124],{"type":43,"value":12125},"The difference between backtest performance and forecasted expectations is not a limitation of forecasting. Rather, it is a difference between opportunistic revenue and structural value based on system fundamentals.",{"type":26,"tag":12127,"props":12128,"children":12129},"blockquote",{},[12130,12138],{"type":26,"tag":39,"props":12131,"children":12132},{},[12133],{"type":26,"tag":66,"props":12134,"children":12135},{},[12136],{"type":43,"value":12137},"Backtests show potential for upside.",{"type":26,"tag":39,"props":12139,"children":12140},{},[12141],{"type":26,"tag":66,"props":12142,"children":12143},{},[12144],{"type":43,"value":12145},"Fundamental forecasts establish bankability.",{"type":26,"tag":12127,"props":12147,"children":12148},{},[12149],{"type":26,"tag":39,"props":12150,"children":12151},{},[12152,12154],{"type":43,"value":12153},"Sound BESS valuation requires anchoring merchant exposure to a structurally consistent baseline aligned with system evolution and flexibility dynamics.",{"type":26,"tag":12087,"props":12155,"children":12156},{},[12157],{"type":26,"tag":562,"props":12158,"children":12159},{"href":12108,"style":12093},[12160],{"type":43,"value":2397},{"type":26,"tag":12127,"props":12162,"children":12163},{},[12164],{"type":26,"tag":46,"props":12165,"children":12167},{"id":12166},"key-findings",[12168],{"type":43,"value":12169},"Key Findings",{"type":26,"tag":143,"props":12171,"children":12172},{},[12173,12183,12193,12203],{"type":26,"tag":62,"props":12174,"children":12175},{},[12176,12181],{"type":26,"tag":66,"props":12177,"children":12178},{},[12179],{"type":43,"value":12180},"Backtests can overstate revenue expectations.",{"type":43,"value":12182}," In recent market environments, revenue can range between €200k to €280k/MW/yr, whereas fundamental forecast-based revenues typically range between €120k to €180k/MW/yr.",{"type":26,"tag":62,"props":12184,"children":12185},{},[12186,12191],{"type":26,"tag":66,"props":12187,"children":12188},{},[12189],{"type":43,"value":12190},"Severe market environments can affect short-term arbitrage opportunities.",{"type":43,"value":12192}," Low renewable supply, plant outages, and high prices over €400/MWh can create an unstable environment that is unlikely to last in the long term.",{"type":26,"tag":62,"props":12194,"children":12195},{},[12196,12201],{"type":26,"tag":66,"props":12197,"children":12198},{},[12199],{"type":43,"value":12200},"Long-term fundamental price forecasts reflect equilibrium.",{"type":43,"value":12202}," These forecasts consider renewable supply growth, demand development, fuel costs, and cross-border electricity flows.",{"type":26,"tag":62,"props":12204,"children":12205},{},[12206,12211],{"type":26,"tag":66,"props":12207,"children":12208},{},[12209],{"type":43,"value":12210},"Proper valuation of BESSs involves multiple perspectives.",{"type":43,"value":12212}," Analytical techniques include historical backtests, fundamental forecasts, and operational simulations.",{"type":26,"tag":668,"props":12214,"children":12216},{"id":12215},"_1-market-context-the-gap-between-backtests-and-forecasts",[12217],{"type":43,"value":12218},"1. Market Context: The Gap Between Backtests and Forecasts",{"type":26,"tag":39,"props":12220,"children":12221},{},[12222,12224,12231],{"type":43,"value":12223},"In electricity markets with high shares of renewable power generation, short-term price volatility is generally higher.",{"type":26,"tag":12087,"props":12225,"children":12226},{},[12227],{"type":26,"tag":562,"props":12228,"children":12229},{"href":12108,"style":12093},[12230],{"type":43,"value":2397},{"type":43,"value":12232}," This is caused by the weather-related variability of renewable power supply. Additionally, supply-demand imbalances can cause prices to spike. For instance, in the German day-ahead electricity market in 2025, prices above €400/MWh were recorded in September following periods of low renewable power supply.\nThese factors contributed substantially to the widening of intraday and day-ahead spreads, resulting in high arbitrage revenues for storage facilities in particular months. Backtesting, therefore, aims to reproduce historical realized volatility in a specific market environment rather than structural revenues.",{"type":26,"tag":39,"props":12234,"children":12235},{},[12236,12238,12245],{"type":43,"value":12237},"Yet, this volatility is not to be considered a structural baseline price. Long-term market evolution needs to be analyzed by system-level modeling of renewable capacity growth, electrification, fuel price evolution, and changing flexibility needs.",{"type":26,"tag":12087,"props":12239,"children":12240},{},[12241],{"type":26,"tag":562,"props":12242,"children":12243},{"href":12108,"style":12093},[12244],{"type":43,"value":2397},{"type":43,"value":12246}," Structural price formation becomes increasingly driven by system equilibrium instead of isolated scarcity situations.",{"type":26,"tag":39,"props":12248,"children":12249},{},[12250,12252,12259],{"type":43,"value":12251},"With increasing levels of renewable penetration in the system, cannibalization effects could further tighten spreads over time as the concentration of generation in similar hours further compresses structural price differentials.",{"type":26,"tag":12087,"props":12253,"children":12254},{},[12255],{"type":26,"tag":562,"props":12256,"children":12257},{"href":12118,"style":12093},[12258],{"type":43,"value":2418},{"type":43,"value":12260}," The difference between backtest performance and structural model expectations is therefore structural, not methodological.",{"type":26,"tag":39,"props":12262,"children":12263},{},[12264],{"type":43,"value":12265},"Therefore, backtests reflect realized volatility under specific historical market conditions, whereas long-term forecasts aim to estimate structurally consistent revenue levels under evolving system fundamentals.",{"type":26,"tag":2651,"props":12267,"children":12268},{},[],{"type":26,"tag":668,"props":12270,"children":12272},{"id":12271},"_2-re-twin-methodology-for-estimating-long-term-bess-revenues",[12273],{"type":43,"value":12274},"2. Re-Twin Methodology for Estimating Long-Term BESS Revenues",{"type":26,"tag":39,"props":12276,"children":12277},{},[12278],{"type":43,"value":12279},"To estimate long-term revenues of BESS, it is necessary to combine forecasts of electricity price with asset-level operational modelling. At Re-Twin Energy, this is carried out through the combination of fundamental electricity market forecasts and battery dispatch optimization modelling.",{"type":26,"tag":39,"props":12281,"children":12282},{},[12283],{"type":43,"value":12284},"The first part is based on a fundamental energy system model, which is used to forecast long-term electricity price projections. The forecasts are based on projections of future changes in electricity demand, renewable generation capacities, fuel prices, grid constraints, and cross-border flows. The model is based on hourly market-clearing simulations under various transformation scenarios and is able to provide long-term price forecasts for multiple electricity markets.",{"type":26,"tag":39,"props":12286,"children":12287},{},[12288],{"type":43,"value":12289},"The second part is based on a battery dispatch model, which is based on the technical characteristics and constraints of a battery storage system. This includes battery efficiency, battery degradation, and capacity constraints, as well as the market participation strategy.",{"type":26,"tag":39,"props":12291,"children":12292},{},[12293],{"type":43,"value":12294},"These forecasted electricity price values are then input into the dispatch model. The optimization model will calculate how the battery can operate in various markets to maximize revenues under the given constraints.",{"type":26,"tag":39,"props":12296,"children":12297},{},[12298],{"type":43,"value":12299},"This approach can be used to estimate market-wise revenue potentials of battery storage systems under electricity market conditions. The approach can be applied to evaluate revenue potentials considering long-term scenarios and system fundamentals as well as asset-specific constraints.",{"type":26,"tag":270,"props":12301,"children":12304},{"alt":1703,"caption":12302,"src":12303},"Figure 1. Integration of fundamental electricity price forecasts with BESS dispatch optimization for estimating long-term revenue potential","/images/blog/white-paper-ffe/image-1.webp",[],{"type":26,"tag":2651,"props":12306,"children":12307},{},[],{"type":26,"tag":668,"props":12309,"children":12311},{"id":12310},"_3-how-fundamental-forecasts-are-constructed",[12312],{"type":43,"value":12313},"3. How Fundamental Forecasts Are Constructed",{"type":26,"tag":39,"props":12315,"children":12316},{},[12317],{"type":43,"value":12318},"The basis for long-term electricity price projections is established through fundamental multi-sector energy system models, which simulate the hourly market clearing over a long-term time horizon. In contrast to backtests, which are based on realized historical market conditions, fundamental forecasts seek to capture how the electricity system is expected to develop according to specified transformation scenarios.",{"type":26,"tag":39,"props":12320,"children":12321},{},[12322],{"type":43,"value":12323},"The modelling approach considers the interaction of several different components of the energy system, such as:",{"type":26,"tag":143,"props":12325,"children":12326},{},[12327,12332,12337,12342,12347],{"type":26,"tag":62,"props":12328,"children":12329},{},[12330],{"type":43,"value":12331},"Electricity demand in the transport, industry, and buildings sectors",{"type":26,"tag":62,"props":12333,"children":12334},{},[12335],{"type":43,"value":12336},"Development of renewable energy capacity (solar and wind)",{"type":26,"tag":62,"props":12338,"children":12339},{},[12340],{"type":43,"value":12341},"Conventional capacity retirement and marginal cost modeling",{"type":26,"tag":62,"props":12343,"children":12344},{},[12345],{"type":43,"value":12346},"Hydrogen electrolysis and sector coupling",{"type":26,"tag":62,"props":12348,"children":12349},{},[12350],{"type":43,"value":12351},"International trade flows",{"type":26,"tag":39,"props":12353,"children":12354},{},[12355,12357,12362,12364,12369],{"type":43,"value":12356},"Crucially, the modelling framework distinguishes between various long-term system transformation paths. The electricity price forecasts used in this paper are produced by FfE (Forschungsstelle für Energiewirtschaft e.V.). FfE's ISAaR energy system model simulates how the electricity market evolves over time, taking into account factors such as renewable energy growth, fuel prices, and cross-border electricity flows. Within this framework, scenarios are represented, for example, by the so-called ",{"type":26,"tag":66,"props":12358,"children":12359},{},[12360],{"type":43,"value":12361},"\"FFE Trend Scenario,\"",{"type":43,"value":12363}," where the implementation of current policies and market developments is continued, and the ",{"type":26,"tag":66,"props":12365,"children":12366},{},[12367],{"type":43,"value":12368},"\"FFE Target Scenario,\"",{"type":43,"value":12370}," where the pace of the transformation towards climate neutrality is higher. The revenue projections can differ significantly from each other, thus underlining the necessity of using scenarios for valuations rather than relying on single-point forecasts.",{"type":26,"tag":39,"props":12372,"children":12373},{},[12374],{"type":43,"value":12375},"Day-ahead prices are calculated using merit-order dispatch models. Intraday prices include stochastic components to account for deviations in renewable forecasts. Balancing capacity prices (such as FCR and aFRR) are modelled based on opportunity costs compared to spot markets. The aim is not to forecast tail events but to provide a structural estimate of market equilibrium under changing system conditions.",{"type":26,"tag":39,"props":12377,"children":12378},{},[12379],{"type":43,"value":12380},"This level of modelling detail helps to explain why fundamental forecasts might look smoother compared to backtest results: fundamental forecasts model equilibrium fundamentals rather than stress events.",{"type":26,"tag":270,"props":12382,"children":12385},{"alt":1703,"caption":12383,"src":12384},"Figure 2. Energy System Model Structure (FfE ISAaR Model Overview)","/images/blog/white-paper-ffe/image-2.webp",[],{"type":26,"tag":39,"props":12387,"children":12388},{},[12389],{"type":43,"value":12390},"Figure 2 shows the architecture of FfE's ISAaR energy system model, which forms the basis for the structural electricity price forecasts referenced in this paper. This approach helps to identify structural supply-demand dynamics rather than focusing on statistical extrapolation.",{"type":26,"tag":39,"props":12392,"children":12393},{},[12394],{"type":43,"value":12395},"The integrated system approach helps to identify structurally derived revenue forecasts that are more suitable for long-term investment than volatility-based backtests.",{"type":26,"tag":2651,"props":12397,"children":12398},{},[],{"type":26,"tag":668,"props":12400,"children":12402},{"id":12401},"_4-structural-revenue-vs-opportunistic-revenue",[12403],{"type":43,"value":12404},"4. Structural Revenue vs Opportunistic Revenue",{"type":26,"tag":39,"props":12406,"children":12407},{},[12408],{"type":43,"value":12409},"BESS revenue can be broken down into two economically different parts: structural revenue and opportunistic revenue. It is important to distinguish between these layers in order to value projects properly.",{"type":26,"tag":270,"props":12411,"children":12414},{"alt":1703,"caption":12412,"src":12413},"Figure 3. Risk vs. returns on BESS revenues","/images/blog/white-paper-ffe/image-3.webp",[],{"type":26,"tag":39,"props":12416,"children":12417},{},[12418],{"type":43,"value":12419},"The figure shows the relationship between the structural value and the total revenue potential for the BESS. The structural value shows the stable revenue base, which is obtained from the underlying market conditions. The middle layer shows the realized revenue, which shows the revenue that can be achieved in the market, given market conditions are stable. The area outside the figure shows the revenue potential, which shows the upside potential from the market volatility.",{"type":26,"tag":39,"props":12421,"children":12422},{},[12423],{"type":43,"value":12424},"It is important to note that the upside potential, although useful, is not reliable for valuation purposes.",{"type":26,"tag":46,"props":12426,"children":12428},{"id":12427},"structural-revenue",[12429],{"type":43,"value":12430},"Structural Revenue",{"type":26,"tag":39,"props":12432,"children":12433},{},[12434],{"type":43,"value":12435},"Structural revenue reflects the long-term earning potential of a battery storage system under stable, equilibrium market conditions. In simple terms, it is the revenue a battery can reliably expect to earn as the electricity market evolves over time, without depending on unusual spikes or exceptional events. This revenue is influenced by the following factors:",{"type":26,"tag":143,"props":12437,"children":12438},{},[12439,12444,12449,12454],{"type":26,"tag":62,"props":12440,"children":12441},{},[12442],{"type":43,"value":12443},"Revenue embedded in fundamental modelling",{"type":26,"tag":62,"props":12445,"children":12446},{},[12447],{"type":43,"value":12448},"Scenario-based and risk-aware assumptions",{"type":26,"tag":62,"props":12450,"children":12451},{},[12452],{"type":43,"value":12453},"Market dynamics consistent with evolving renewable penetration",{"type":26,"tag":62,"props":12455,"children":12456},{},[12457],{"type":43,"value":12458},"Cashflows relevant for lenders and credit committees (i.e., revenues that banks and project financiers consider when deciding whether to lend money to a project, because they are stable and predictable enough to service debt)",{"type":26,"tag":39,"props":12460,"children":12461},{},[12462],{"type":43,"value":12463},"Structural revenue sets the bar for bankability. It is a measure of the sound minimum level of performance under future system development, rather than under exceptional stress conditions.",{"type":26,"tag":46,"props":12465,"children":12467},{"id":12466},"opportunistic-revenue",[12468],{"type":43,"value":12469},"Opportunistic Revenue",{"type":26,"tag":39,"props":12471,"children":12472},{},[12473],{"type":43,"value":12474},"Opportunistic revenue arises from realized volatility and short-term market disruptions. It is:",{"type":26,"tag":143,"props":12476,"children":12477},{},[12478,12483,12488,12493],{"type":26,"tag":62,"props":12479,"children":12480},{},[12481],{"type":43,"value":12482},"Driven by weather deviations and fuel price shocks",{"type":26,"tag":62,"props":12484,"children":12485},{},[12486],{"type":43,"value":12487},"Sensitive to trading strategy and timing",{"type":26,"tag":62,"props":12489,"children":12490},{},[12491],{"type":43,"value":12492},"Dependent on merchant exposure",{"type":26,"tag":62,"props":12494,"children":12495},{},[12496],{"type":43,"value":12497},"Amplified during scarcity events",{"type":26,"tag":39,"props":12499,"children":12500},{},[12501],{"type":43,"value":12502},"Although these revenues can contribute significantly to performance in particular years, they are contingent and not structurally durable.",{"type":26,"tag":39,"props":12504,"children":12505},{},[12506,12508,12515,12517,12525,12533],{"type":43,"value":12507},"In high renewable systems, cannibalization effects may compress structural spreads over time.",{"type":26,"tag":12087,"props":12509,"children":12510},{},[12511],{"type":26,"tag":562,"props":12512,"children":12513},{"href":12118,"style":12093},[12514],{"type":43,"value":2418},{"type":43,"value":12516}," Increasing competition in flexibility and wholesale markets further reinforces these trends.",{"type":26,"tag":12087,"props":12518,"children":12519},{},[12520],{"type":26,"tag":562,"props":12521,"children":12523},{"href":12522,"style":12093},"#ref-4",[12524],{"type":43,"value":2434},{"type":26,"tag":12087,"props":12526,"children":12527},{},[12528],{"type":26,"tag":562,"props":12529,"children":12531},{"href":12530,"style":12093},"#ref-5",[12532],{"type":43,"value":2453},{"type":43,"value":12534},". This further supports the need to distinguish between upside from volatility and sustainable structurally sound baseline value.",{"type":26,"tag":270,"props":12536,"children":12539},{"alt":1703,"caption":12537,"src":12538},"Figure 4. Multi-Layer Risk Assessment: Backtest, Forecast, and Live Simulation Comparison","/images/blog/white-paper-ffe/image-4.webp",[],{"type":26,"tag":39,"props":12541,"children":12542},{},[12543],{"type":43,"value":12544},"Figure 4 shows the three layers of analysis that are required for the evaluation of revenue risk for BESS. The backtest represents the historical market results that are realized. The fundamental forecast represents the forward-looking results that are based on the assumptions of the system. The live simulation layer represents the forward market signals that are received.",{"type":26,"tag":39,"props":12546,"children":12547},{},[12548],{"type":43,"value":12549},"The distinctions between these layers underscore the need for differentiation between structural baseline revenues and volatility-related upside. Thus, strong valuations require synthesizing the three perspectives rather than using any single revenue estimate.",{"type":26,"tag":2651,"props":12551,"children":12552},{},[],{"type":26,"tag":668,"props":12554,"children":12556},{"id":12555},"_5-case-illustration-forecast-vs-backtest-revenues-for-bess",[12557],{"type":43,"value":12558},"5. Case Illustration: Forecast vs. Backtest Revenues for BESS",{"type":26,"tag":39,"props":12560,"children":12561},{},[12562],{"type":43,"value":12563},"The expected revenues generated by the Battery Energy Storage System (BESS) can be obtained either by forecasting prices over the long term or by backtesting the market data. However, the revenues obtained by these two approaches are usually quite different. The revenues obtained by the long-term forecasting method are generally lower, while the revenues obtained by the backtest method are generally higher for the same configuration of the battery.",{"type":26,"tag":39,"props":12565,"children":12566},{},[12567],{"type":43,"value":12568},"This does not imply any flaw in the forecasting method. This simply means that the additional revenues obtained in real market conditions are over and above the structural revenues obtained by the long-term forecasting method.",{"type":26,"tag":39,"props":12570,"children":12571},{},[12572],{"type":43,"value":12573},"The revenues obtained by the long-term forecasting method are generally the structural revenues of the electricity market. The structural revenues of the electricity market are the result of the spread between the prices in the electricity market, which occurs due to the fundamental factors driving the electricity system, such as the growth of renewable energy, the development of electricity demand, the prices of fuels, and the flow of electricity between borders.",{"type":26,"tag":39,"props":12575,"children":12576},{},[12577],{"type":43,"value":12578},"On the other hand, historical backtests provide actual market conditions, which include additional trading opportunities that can occur as a result of short-term volatility, system occurrences, and market conditions. All these can cause an increase in arbitrage trading and hence more realized revenues.",{"type":26,"tag":39,"props":12580,"children":12581},{},[12582,12584,12589],{"type":43,"value":12583},"Figure 4 shows this conceptually. The forecast-based revenues for a 2-hour standalone BESS in Germany can vary between ",{"type":26,"tag":66,"props":12585,"children":12586},{},[12587],{"type":43,"value":12588},"€120k and €180k per MW per year",{"type":43,"value":12590},", considering only structurally modeled markets. The markets considered here usually include day-ahead markets, intraday hourly trading, and capacity markets from ancillary services.",{"type":26,"tag":39,"props":12592,"children":12593},{},[12594,12596,12601],{"type":43,"value":12595},"However, there can be additional revenue streams resulting from additional trading opportunities considered. These can be trading in additional intraday markets, balancing energy markets, and opportunistic trading during unusual market conditions. If these are considered using historical backtests, revenues can increase up to ",{"type":26,"tag":66,"props":12597,"children":12598},{},[12599],{"type":43,"value":12600},"€200k to €280k per MW per year",{"type":43,"value":12602}," for the same battery configuration.",{"type":26,"tag":270,"props":12604,"children":12607},{"alt":1703,"caption":12605,"src":12606},"Figure 5. Conceptual breakdown of forecast-based revenues and additional revenue layers for a 2-hour standalone BESS in Germany","/images/blog/white-paper-ffe/image-5.webp",[],{"type":26,"tag":39,"props":12609,"children":12610},{},[12611],{"type":43,"value":12612},"This figure shows how forecast-based structural revenues are used as a baseline to calculate BESS valuations, and additional market opportunities can add to forecast-based revenues in historical backtests.",{"type":26,"tag":39,"props":12614,"children":12615},{},[12616],{"type":43,"value":12617},"Additional revenue layers can be derived from:",{"type":26,"tag":143,"props":12619,"children":12620},{},[12621,12631,12641],{"type":26,"tag":62,"props":12622,"children":12623},{},[12624,12629],{"type":26,"tag":66,"props":12625,"children":12626},{},[12627],{"type":43,"value":12628},"Additional market opportunities",{"type":43,"value":12630},", which can be derived from intraday auctions, quarter-hourly intraday trading products, futures markets, and cross-border trading opportunities.",{"type":26,"tag":62,"props":12632,"children":12633},{},[12634,12639],{"type":26,"tag":66,"props":12635,"children":12636},{},[12637],{"type":43,"value":12638},"Balancing markets",{"type":43,"value":12640},", in which batteries can add additional revenues through ancillary energy and imbalance energy markets.",{"type":26,"tag":62,"props":12642,"children":12643},{},[12644,12649],{"type":26,"tag":66,"props":12645,"children":12646},{},[12647],{"type":43,"value":12648},"Ad-hoc developments",{"type":43,"value":12650},", which can be derived from opportunistic trading, market events, and system imbalance.",{"type":26,"tag":39,"props":12652,"children":12653},{},[12654],{"type":43,"value":12655},"Figure 4 illustrates this concept by showing how forecast-based revenues represent the structural baseline, while additional revenue layers can emerge from broader market participation and short-term market dynamics.",{"type":26,"tag":270,"props":12657,"children":12660},{"alt":1703,"caption":12658,"src":12659},"Figure 6. Example comparison of forecast-based and backtest revenues for a 2-hour standalone BESS in Germany in 2025 (day-ahead market)","/images/blog/white-paper-ffe/image-6.webp",[],{"type":26,"tag":39,"props":12662,"children":12663},{},[12664],{"type":43,"value":12665},"The above figure illustrates forecast-based revenues based on FfE long-term electricity price forecast and historical backtest revenues based on actual market data.",{"type":26,"tag":39,"props":12667,"children":12668},{},[12669],{"type":43,"value":12670},"As can be seen from the above figure, forecast-based revenues have a smooth trend throughout the year. This is because forecast-based revenues are based on market spreads, which are derived from long-term energy system model calculations and reflect equilibrium conditions in the electricity market.",{"type":26,"tag":39,"props":12672,"children":12673},{},[12674],{"type":43,"value":12675},"On the other hand, backtest revenues vary significantly and have higher peaks compared to forecast-based revenues. This is due to market dynamics, which are hard to forecast in long-term equilibrium calculations.",{"type":26,"tag":39,"props":12677,"children":12678},{},[12679],{"type":43,"value":12680},"There are various reasons which can cause this difference between forecast-based and backtest revenues. One reason is weather conditions, which can have a significant impact on renewable energy sources and hence market price spreads. The market and trading strategy can also cause this difference. Sometimes, unexpected technical failures cause power plants to stop producing electricity. These unplanned outages reduce available supply in the market, which can push prices higher and create short-term arbitrage opportunities that a battery can capture. These events are difficult to predict in advance and are therefore not reflected in long-term structural forecasts.",{"type":26,"tag":39,"props":12682,"children":12683},{},[12684],{"type":43,"value":12685},"These examples illustrate that long-term forecasts should be understood as an estimate of the underlying revenue potential of battery storage systems. The backtests, on the other hand, are based on actual market outcomes, which can include volatility-driven upside.",{"type":26,"tag":39,"props":12687,"children":12688},{},[12689],{"type":43,"value":12690},"What is more, it should be noted that although the revenue figures vary based on battery configuration, market participation strategy, and constraints, the underlying principles can be applied broadly to various battery storage systems.",{"type":26,"tag":39,"props":12692,"children":12693},{},[12694],{"type":43,"value":12695},"The examples provided above are intended to illustrate the underlying relationship between forecast revenues and actual market revenues",{"type":26,"tag":2651,"props":12697,"children":12698},{},[],{"type":26,"tag":668,"props":12700,"children":12702},{"id":12701},"_6-investment-implications-and-market-maturity",[12703],{"type":43,"value":12704},"6. Investment Implications and Market Maturity",{"type":26,"tag":39,"props":12706,"children":12707},{},[12708],{"type":43,"value":12709},"As storage resources grow in size, price-maker effects and grid constraints increasingly play a role. For very large BESS systems (e.g., above 500 MW), marginal price impacts, spread compression from self-cannibalization, and dispatch, ramping, or participation constraints could be relevant.",{"type":26,"tag":39,"props":12711,"children":12712},{},[12713],{"type":43,"value":12714},"Although many financial models assume price-taker behavior for individual assets, structural modeling approaches consider overall storage penetration and flexibility system dynamics. As market saturation grows, structural spread compression is increasingly likely.",{"type":26,"tag":39,"props":12716,"children":12717},{},[12718],{"type":43,"value":12719},"Therefore, robust valuation requires a layered assessment framework:",{"type":26,"tag":39,"props":12721,"children":12722},{},[12723,12728],{"type":26,"tag":66,"props":12724,"children":12725},{},[12726],{"type":43,"value":12727},"Structural baseline:",{"type":43,"value":12729}," Long-term forecast revenues define defensible downside and bankable cashflow expectations grounded in system equilibrium.",{"type":26,"tag":39,"props":12731,"children":12732},{},[12733,12738],{"type":26,"tag":66,"props":12734,"children":12735},{},[12736],{"type":43,"value":12737},"Historical Calibration:",{"type":43,"value":12739}," Backtests validate modelling logic and illustrate exposure to realized volatility.",{"type":26,"tag":39,"props":12741,"children":12742},{},[12743,12748],{"type":26,"tag":66,"props":12744,"children":12745},{},[12746],{"type":43,"value":12747},"Strategy Layer:",{"type":43,"value":12749}," Market participation strategy (pure merchant vs. hedged; single vs. multi-market exposure) determines realized upside and risk-adjusted performance.",{"type":26,"tag":39,"props":12751,"children":12752},{},[12753],{"type":43,"value":12754},"A failure to distinguish structural baseline from volatility-driven merchant value can systematically drive up IRR expectations.",{"type":26,"tag":39,"props":12756,"children":12757},{},[12758],{"type":43,"value":12759},"With greater storage penetration and market maturity, spread compression and ancillary market saturation will become increasingly likely, while structural flexibility demand will remain a persistent factor. The long-term economics of BESS will thus come to rely more on system design and structural spread creation than on exceptional years of volatility.",{"type":26,"tag":2651,"props":12761,"children":12762},{},[],{"type":26,"tag":668,"props":12764,"children":12766},{"id":12765},"_7-conclusion",[12767],{"type":43,"value":12768},"7. Conclusion",{"type":26,"tag":39,"props":12770,"children":12771},{},[12772],{"type":26,"tag":543,"props":12773,"children":12774},{},[12775],{"type":26,"tag":66,"props":12776,"children":12777},{},[12778],{"type":43,"value":12779},"The difference between backtest revenue of around €280k/MW and structural long-term forecast estimates of roughly €150k/MW is not a forecasting error. It represents the structural difference between volatility-driven upside potential and equilibrium system revenues.",{"type":26,"tag":39,"props":12781,"children":12782},{},[12783],{"type":43,"value":12784},"Backtests analyze actual performance for particular market stress scenarios. Long-term forecasts model structurally justifiable revenue based on forward-looking system models. Blending these two aspects results in systematic overestimation of feasible performance.",{"type":26,"tag":39,"props":12786,"children":12787},{},[12788],{"type":43,"value":12789},"For capital-intensive BESS projects, bankability is based on structural spread development rather than exceptional volatility years. Opportunistic revenue can improve profitability, but it cannot substitute a structurally sound foundation.",{"type":26,"tag":39,"props":12791,"children":12792},{},[12793],{"type":43,"value":12794},"Informed investment choices must therefore ground merchant exposure in a structurally justifiable revenue floor consistent with long-term system development and flexibility needs.",{"type":26,"tag":39,"props":12796,"children":12797},{},[12798],{"type":43,"value":12799},"In practice, revenue forecasts must therefore be viewed in the context of their assumptions. Fundamental forecasts offer a consistent approach to assessing value over time, while market participation strategies are critical in assessing the upside potential from volatility and additional trading opportunities.",{"type":26,"tag":39,"props":12801,"children":12802},{},[12803],{"type":43,"value":12804},"Investors and developers of projects must therefore balance hedging risks against upside potential in developing a business case for BESS projects. As the market for electricity develops and more storage is added to the market, structural revenue opportunities in multiple markets will be critical to identify.",{"type":26,"tag":2651,"props":12806,"children":12807},{},[],{"type":26,"tag":668,"props":12809,"children":12811},{"id":12810},"references",[12812],{"type":43,"value":12813},"References",{"type":26,"tag":39,"props":12815,"children":12816},{},[12817,12822,12824,12829,12830],{"type":26,"tag":12818,"props":12819,"children":12821},"span",{"id":12820},"ref-1",[],{"type":43,"value":12823},"[1] FfE (2025). ",{"type":26,"tag":543,"props":12825,"children":12826},{},[12827],{"type":43,"value":12828},"German electricity prices on the EPEX Spot exchange in 2025.",{"type":43,"value":560},{"type":26,"tag":562,"props":12831,"children":12834},{"href":12832,"rel":12833},"https://www.ffe.de/en/publications/german-electricity-prices-on-the-epex-spot-exchange-in-2025/",[566],[12835],{"type":43,"value":12836},"FfE",{"type":26,"tag":39,"props":12838,"children":12839},{},[12840,12844,12846,12851,12852],{"type":26,"tag":12818,"props":12841,"children":12843},{"id":12842},"ref-2",[],{"type":43,"value":12845},"[2] International Energy Agency (IEA). (2023). ",{"type":26,"tag":543,"props":12847,"children":12848},{},[12849],{"type":43,"value":12850},"Electricity Grids and Secure Energy Transitions.",{"type":43,"value":560},{"type":26,"tag":562,"props":12853,"children":12856},{"href":12854,"rel":12855},"https://www.iea.org/reports/electricity-grids-and-secure-energy-transitions",[566],[12857],{"type":43,"value":11652},{"type":26,"tag":39,"props":12859,"children":12860},{},[12861,12865,12867,12872,12873],{"type":26,"tag":12818,"props":12862,"children":12864},{"id":12863},"ref-3",[],{"type":43,"value":12866},"[3] Reichenberg, L., Ekholm, T., & Boomsma, T. (2023). Revenue and risk of variable renewable electricity investment: The cannibalization effect under high market penetration. ",{"type":26,"tag":543,"props":12868,"children":12869},{},[12870],{"type":43,"value":12871},"Energy.",{"type":43,"value":560},{"type":26,"tag":562,"props":12874,"children":12877},{"href":12875,"rel":12876},"https://www.sciencedirect.com/science/article/pii/S0360544223018133",[566],[12878],{"type":43,"value":12879},"ScienceDirect",{"type":26,"tag":39,"props":12881,"children":12882},{},[12883,12887,12889,12894,12895],{"type":26,"tag":12818,"props":12884,"children":12886},{"id":12885},"ref-4",[],{"type":43,"value":12888},"[4] ENTSO-E. (2024). ",{"type":26,"tag":543,"props":12890,"children":12891},{},[12892],{"type":43,"value":12893},"Balancing Report 2024.",{"type":43,"value":560},{"type":26,"tag":562,"props":12896,"children":12899},{"href":12897,"rel":12898},"https://eepublicdownloads.entsoe.eu/clean-documents/nc-tasks/240628_ENTSOE_Balancing_Report_2024.pdf",[566],[12900],{"type":43,"value":12901},"ENTSO-E",{"type":26,"tag":39,"props":12903,"children":12904},{},[12905,12909,12911,12916,12917],{"type":26,"tag":12818,"props":12906,"children":12908},{"id":12907},"ref-5",[],{"type":43,"value":12910},"[5] ENTSO-E. (2024). ",{"type":26,"tag":543,"props":12912,"children":12913},{},[12914],{"type":43,"value":12915},"Market Report 2024.",{"type":43,"value":560},{"type":26,"tag":562,"props":12918,"children":12921},{"href":12919,"rel":12920},"https://eepublicdownloads.entsoe.eu/clean-documents/nc-tasks/240628_ENTSOE_Market_Report_2024.pdf",[566],[12922],{"type":43,"value":12901},{"type":26,"tag":596,"props":12924,"children":12925},{"author":1609,"author2":12049},[],{"type":26,"tag":600,"props":12927,"children":12928},{":blog":602,":type":603},[],{"type":26,"tag":606,"props":12930,"children":12931},{},[],{"type":26,"tag":610,"props":12933,"children":12934},{},[],{"type":26,"tag":614,"props":12936,"children":12937},{},[],{"title":7,"searchDepth":618,"depth":618,"links":12939},[12940,12943,12944,12945,12946,12950,12951,12952,12953],{"id":12072,"depth":618,"text":12075,"children":12941},[12942],{"id":12166,"depth":621,"text":12169},{"id":12215,"depth":618,"text":12218},{"id":12271,"depth":618,"text":12274},{"id":12310,"depth":618,"text":12313},{"id":12401,"depth":618,"text":12404,"children":12947},[12948,12949],{"id":12427,"depth":621,"text":12430},{"id":12466,"depth":621,"text":12469},{"id":12555,"depth":618,"text":12558},{"id":12701,"depth":618,"text":12704},{"id":12765,"depth":618,"text":12768},{"id":12810,"depth":618,"text":12813},"content:blog:whitepapers:white-paper-ffe.md","blog/whitepapers/white-paper-ffe.md","blog/whitepapers/white-paper-ffe",{"loc":12044},{"_path":12959,"_dir":12045,"_draft":6,"_partial":6,"_locale":7,"title":12960,"description":12961,"publishedAt":12962,"author":12963,"tags":12964,"image":12965,"readingTime":1443,"body":12966,"_type":629,"_id":13832,"_source":631,"_file":13833,"_stem":13834,"_extension":634,"sitemap":13835},"/blog/whitepapers/white-paper-amprion","The Profitability of BESS under Grid Constraints in Germany","This white paper aims to quantify the economic impact of grid constraints on merchant BESS projects. Instead of assuming unconstrained market participation, we analyze the impact of differentiated grid constraints on dispatch strategies, revenue, and IRR results.","03-17-2026","Begüm Divrik",[1440],"/images/blog/white-paper-amprion/cover.webp",{"type":23,"children":12967,"toc":13823},[12968,12971,12975,12983,12990,13002,13007,13011,13019,13042,13047,13052,13061,13066,13071,13083,13095,13100,13105,13110,13115,13120,13125,13130,13135,13140,13145,13167,13172,13177,13182,13194,13199,13217,13222,13231,13236,13241,13246,13260,13265,13278,13283,13288,13293,13298,13303,13308,13313,13322,13327,13332,13337,13345,13350,13355,13360,13368,13373,13378,13383,13388,13393,13398,13403,13408,13413,13426,13431,13435,13440,13445,13453,13458,13466,13471,13479,13484,13489,13494,13502,13507,13512,13517,13522,13531,13536,13546,13551,13561,13566,13574,13579,13588,13593,13598,13603,13612,13634,13655,13675,13696,13717,13740,13762,13785,13808,13811,13814,13817,13820],{"type":26,"tag":27,"props":12969,"children":12970},{"alt":1448,"caption":7,"src":12965},[],{"type":26,"tag":34,"props":12972,"children":12974},{":reading-time":1619,"author":12963,"date":12962,"pdfUrl":12973,"title":12960,"type":12060},"/papers/white-paper-amprion.pdf",[],{"type":26,"tag":39,"props":12976,"children":12977},{},[12978],{"type":26,"tag":543,"props":12979,"children":12980},{},[12981],{"type":43,"value":12982},"Impacts on Revenues, Dispatch, and Investment Outcomes",{"type":26,"tag":668,"props":12984,"children":12985},{"id":12072},[12986],{"type":26,"tag":66,"props":12987,"children":12988},{},[12989],{"type":43,"value":12075},{"type":26,"tag":39,"props":12991,"children":12992},{},[12993,12995],{"type":43,"value":12994},"Battery Energy Storage Systems (BESS) are growing rapidly in Germany. In 2024, for example, approximately 9,710 grid connection applications were submitted for medium- and high-voltage storage systems, totaling approximately 400 GW of power and 661 GWh of capacity. In contrast, only approximately 3,800 grid connection applications were approved, totaling approximately 25 GW and 46 GWh.",{"type":26,"tag":12087,"props":12996,"children":12997},{},[12998],{"type":26,"tag":562,"props":12999,"children":13000},{"href":12092,"style":12093},[13001],{"type":43,"value":2357},{"type":26,"tag":39,"props":13003,"children":13004},{},[13005],{"type":43,"value":13006},"As the grid becomes increasingly restrictive, storage systems can expect differentiated grid connections, such as static export limits, time-of-use limits, ramp-rate limits, and possibly redispatch requirements. At the same time, merchant markets require flexible and opportunistic dispatch strategies. Flexibility is rewarded in merchant markets, while controllability is necessary for grid functioning.",{"type":26,"tag":39,"props":13008,"children":13009},{},[13010],{"type":43,"value":12961},{"type":26,"tag":39,"props":13012,"children":13013},{},[13014],{"type":26,"tag":66,"props":13015,"children":13016},{},[13017],{"type":43,"value":13018},"Key Findings:",{"type":26,"tag":143,"props":13020,"children":13021},{},[13022,13027,13032,13037],{"type":26,"tag":62,"props":13023,"children":13024},{},[13025],{"type":43,"value":13026},"Static export constraints have an impact of reducing revenues by 11-16% annually.",{"type":26,"tag":62,"props":13028,"children":13029},{},[13030],{"type":43,"value":13031},"Time-based dispatch constraints during high volatility periods can cause revenues to drop by up to around 35-40%.",{"type":26,"tag":62,"props":13033,"children":13034},{},[13035],{"type":43,"value":13036},"Combined constraint scenarios can reduce revenues by roughly 25-30% compared to unconstrained merchant scenarios.",{"type":26,"tag":62,"props":13038,"children":13039},{},[13040],{"type":43,"value":13041},"Ramping constraints can cause revenues to drop by approximately 7-10% annually.",{"type":26,"tag":39,"props":13043,"children":13044},{},[13045],{"type":43,"value":13046},"In all scenarios, the grid constraints have a significant impact on the overall IRR results. The results show the need for stress-testing the revenue assumptions for merchant storage under differentiated grid access conditions.",{"type":26,"tag":39,"props":13048,"children":13049},{},[13050],{"type":43,"value":13051},"As grid scarcity increases, the profitability of storage is no longer driven by traditional market spread analysis. Storage value is increasingly being shaped by operational limitations and conditional access.",{"type":26,"tag":668,"props":13053,"children":13055},{"id":13054},"_1-the-rapid-expansion-of-bess-in-germany",[13056],{"type":26,"tag":66,"props":13057,"children":13058},{},[13059],{"type":43,"value":13060},"1. The Rapid Expansion of BESS in Germany",{"type":26,"tag":39,"props":13062,"children":13063},{},[13064],{"type":43,"value":13065},"The German battery storage market has seen significant growth in the last few years.",{"type":26,"tag":39,"props":13067,"children":13068},{},[13069],{"type":43,"value":13070},"In the transmission sector, the number of requests for large-scale BESS has increased substantially, driven by the rise in the level of investment activities and the associated competiton.",{"type":26,"tag":39,"props":13072,"children":13073},{},[13074,13076],{"type":43,"value":13075},"In 2024, the total number of grid connection requests for medium- and high-voltage BESS systems by German transmission and distribution system operators was around 9,710. This equals approximately 400 GW of power and 661 GWh of storage capacity. By contrast, only about 3,800 requests (≈25 GW / 46 GWh) have been approved in the same year.",{"type":26,"tag":12087,"props":13077,"children":13078},{},[13079],{"type":26,"tag":562,"props":13080,"children":13081},{"href":12092,"style":12093},[13082],{"type":43,"value":2357},{"type":26,"tag":39,"props":13084,"children":13085},{},[13086,13088],{"type":43,"value":13087},"The government network planning scenarios show the growing structural mismatch between market-based deployment intentions and the rate of infrastructure development. With the Federal Network Agency’s Network Development Plan (NEP) scenarios predicting only 40-95 GW of large-scale storage capacity by 2045, the actual level of connection requests already exceeds 400 GW. This mismatch indicates that transmission infrastructure is poised to become the main bottleneck for large-scale BESS projects, especially at structurally congested points.",{"type":26,"tag":12087,"props":13089,"children":13090},{},[13091],{"type":26,"tag":562,"props":13092,"children":13093},{"href":12092,"style":12093},[13094],{"type":43,"value":2357},{"type":26,"tag":39,"props":13096,"children":13097},{},[13098],{"type":43,"value":13099},"With connection requests already exceeding the rate of grid development, grid transmission system operators will likely impose more stringent connection and operation conditions. This may include higher system support requirements as well as limits on maximum injection and/or offtake. In congested regions, projects may also face higher probabilities of curtailment and the application of allocation or priority rules for grid access. Additional operational requirements may apply, such as dispatch or scheduling obligations.",{"type":26,"tag":39,"props":13101,"children":13102},{},[13103],{"type":43,"value":13104},"The economic implications for projects are straightforward: BESS projects can no longer use generic grid parameters. Site-specific grid restrictions, curtailment risk, allocation rules, and operational restriction scenarios, including downside scenarios, must be formally modeled in economic projections.",{"type":26,"tag":39,"props":13106,"children":13107},{},[13108],{"type":43,"value":13109},"The increase in applications is a result of shifting market incentives as well as investor interest. Indeed, the price volatility, ancillary services, and flexibility premiums all provide a stronger case for the deployment of storage.",{"type":26,"tag":39,"props":13111,"children":13112},{},[13113],{"type":43,"value":13114},"Nevertheless, this expansion is taking place in a grid that was not intended for extensive, bidirectional, dispersed flows. It is occurring in a transmission network that was not designed for large amounts of decentralized, bidirectional flexibility resources.",{"type":26,"tag":39,"props":13116,"children":13117},{},[13118],{"type":43,"value":13119},"A structural change is taking place:",{"type":26,"tag":39,"props":13121,"children":13122},{},[13123],{"type":43,"value":13124},"Grid access is becoming an increasingly defining variable for project feasibility.",{"type":26,"tag":270,"props":13126,"children":13129},{"alt":1703,"caption":13127,"src":13128},"Figure 1.  Transmission-level BESS connection points and switchgear bay availability in the Amprion TSO area (data as of Q4 2025)","/images/blog/white-paper-amprion/image-1.webp",[],{"type":26,"tag":39,"props":13131,"children":13132},{},[13133],{"type":43,"value":13134},"Figure 1 shows the distribution of connection points and the availability of switchgear bays within the Amprion TSO area. Many substations show limited availability of free bays, particularly in regions with high application volumes. The map reflects switchgear availability and does not directly indicate the available network connection capacity (NAK).",{"type":26,"tag":39,"props":13136,"children":13137},{},[13138],{"type":43,"value":13139},"In parallel to regional saturation, application volumes have increased sharply over time.",{"type":26,"tag":270,"props":13141,"children":13144},{"alt":1703,"caption":13142,"src":13143},"Figure 2. Growth in BESS Connection Requests and Capacity Compared to NEP 2037 (data as of Q4 2025)","/images/blog/white-paper-amprion/image-2.webp",[],{"type":26,"tag":39,"props":13146,"children":13147},{},[13148],{"type":26,"tag":543,"props":13149,"children":13150},{},[13151,13153,13158,13160,13165],{"type":43,"value":13152},"Note: “Anträge ",{"type":26,"tag":12818,"props":13154,"children":13155},{},[13156],{"type":43,"value":13157},"Anzahl",{"type":43,"value":13159},"” refers to number of applications; “Leistung ",{"type":26,"tag":12818,"props":13161,"children":13162},{},[13163],{"type":43,"value":13164},"GW",{"type":43,"value":13166},"” refers to requested withdrawal capacity in GW; “NEP 2037” refers to planned storage capacity under the German Network Development Plan.",{"type":26,"tag":39,"props":13168,"children":13169},{},[13170],{"type":43,"value":13171},"Figure 2 illustrates the strong growth in connection applications (“Anträge”) and cumulative requested capacity (“Leistung”) since 2020. Already in early 2025, the number of applications and the requested capacity are well above the levels assessed in the NEP 2037 planning scenarios.",{"type":26,"tag":39,"props":13173,"children":13174},{},[13175],{"type":43,"value":13176},"The gap between requested capacity and grid expansion plans reveals a structural conflict: investment is guided by market signals and short-term profitability prospects, whereas grid expansion follows long-term infrastructure planning processes defined within the German Network Development Plan (NEP). The NEP is based on a scenario framework (“Szenariorahmen”) that considers different consumer and demand groups and is updated every two years.",{"type":26,"tag":39,"props":13178,"children":13179},{},[13180],{"type":43,"value":13181},"This, however, does not mean that projects will be rejected outright. On the contrary, grid access is likely to be granted with an increasing number of differentiated operational constraints that will ensure system stability. These may include time-of-use availability, power limits, curtailment requirements, congestion-driven dispatch constraints, or redispatch obligations. The key analytical question, therefore, is not whether storage can gain grid access, but how each of these different types of grid restrictions affects the economics of BESS projects, and which configurations of these restrictions are commercially viable.",{"type":26,"tag":39,"props":13183,"children":13184},{},[13185,13187],{"type":43,"value":13186},"From a system perspective, transmission grid expansion has been identified as a structural  bottleneck for renewable integration and flexibility deployment.",{"type":26,"tag":12087,"props":13188,"children":13189},{},[13190],{"type":26,"tag":562,"props":13191,"children":13192},{"href":12108,"style":12093},[13193],{"type":43,"value":2397},{"type":26,"tag":39,"props":13195,"children":13196},{},[13197],{"type":43,"value":13198},"Therefore, the rapid growth in BESS applications occurs in a context where:",{"type":26,"tag":143,"props":13200,"children":13201},{},[13202,13207,13212],{"type":26,"tag":62,"props":13203,"children":13204},{},[13205],{"type":43,"value":13206},"Physical grid capacity is location-specific,",{"type":26,"tag":62,"props":13208,"children":13209},{},[13210],{"type":43,"value":13211},"Connection processes are increasingly competitive,",{"type":26,"tag":62,"props":13213,"children":13214},{},[13215],{"type":43,"value":13216},"Operational constraints are likely to evolve in parallel with congestion management requirements, including dispatch limitations, ramping rules, and redispatch participation.",{"type":26,"tag":39,"props":13218,"children":13219},{},[13220],{"type":43,"value":13221},"This sets the stage for the analytical framework applied in the following sections. We translate differentiated grid-access restrictions into explicit modelling assumptions and systematically assess their impact on realized BESS profitability across scenarios.",{"type":26,"tag":668,"props":13223,"children":13225},{"id":13224},"_2-market-design-and-physical-grid-reality",[13226],{"type":26,"tag":66,"props":13227,"children":13228},{},[13229],{"type":43,"value":13230},"2. Market Design and Physical Grid Reality",{"type":26,"tag":39,"props":13232,"children":13233},{},[13234],{"type":43,"value":13235},"Germany has a single bidding zone in its wholesale electricity market. This means that a common price signal is created at the national level, independent of local transmission constraints. Therefore, the German transmission system operators (TSOs) must actively control physical congestion through redispatch and congestion management systems, particularly on physically limited north-south transmission lines.",{"type":26,"tag":39,"props":13237,"children":13238},{},[13239],{"type":43,"value":13240},"From an investment point of view, this creates a strong price signal. However, from the perspective of grid operators, this signal can be incomplete. Wholesale spreads and ancillary service prices identify monetization opportunities, but they do not capture congestion exposure at the local level.",{"type":26,"tag":39,"props":13242,"children":13243},{},[13244],{"type":43,"value":13245},"In practice, zonal pricing does not eliminate local congestion exposure. At saturated nodes, redispatch measures and operational constraints can limit effective dispatch flexibility despite identical wholesale price signals. For project-level economics, this means that price spreads alone are insufficient; applicable grid constraints ultimately determine realizable revenues.",{"type":26,"tag":39,"props":13247,"children":13248},{},[13249,13251,13258],{"type":43,"value":13250},"The congestion management volumes in the German market are a good example of the significance of this problem. According to the Bundesnetzagentur Monitoring Report 2023, total congestion management volumes amounted to 32,772 GWh (or 32.8 TWh) in 2022, with corresponding system costs of approximately €4.2 billion. ",{"type":26,"tag":12087,"props":13252,"children":13253},{},[13254],{"type":26,"tag":562,"props":13255,"children":13256},{"href":12118,"style":12093},[13257],{"type":43,"value":2418},{"type":43,"value":13259}," However, it should be noted that electricity prices were exceptionally high in 2022 due to the energy market disruptions following the war in Ukraine, which partly amplified the reported congestion management costs. Nevertheless, these figures illustrate that redispatch is not a marginal operational adjustment, but a structural feature of system operation.",{"type":26,"tag":39,"props":13261,"children":13262},{},[13263],{"type":43,"value":13264},"For storage investors, this creates a dual reality:",{"type":26,"tag":143,"props":13266,"children":13267},{},[13268,13273],{"type":26,"tag":62,"props":13269,"children":13270},{},[13271],{"type":43,"value":13272},"Market dispatch is economically optimized.",{"type":26,"tag":62,"props":13274,"children":13275},{},[13276],{"type":43,"value":13277},"Grid operation is physically constrained.",{"type":26,"tag":39,"props":13279,"children":13280},{},[13281],{"type":43,"value":13282},"Wholesale pricing curves do not show the realization risk that results from this.",{"type":26,"tag":39,"props":13284,"children":13285},{},[13286],{"type":43,"value":13287},"In high-renewable systems, dynamic operating limitations are becoming more important in addition to static export or connection limits. To maintain system stability, transmission system operators may implement operational requirements that are time-dependent or ramp-rate related.",{"type":26,"tag":39,"props":13289,"children":13290},{},[13291],{"type":43,"value":13292},"From an investment perspective, such dynamic constraints reduce short-term optionality value and can limit the ability to fully capture intraday price spreads during high-volatility periods.",{"type":26,"tag":39,"props":13294,"children":13295},{},[13296],{"type":43,"value":13297},"In merchant backtesting conducted by market participants such as traders, the common assumption is that market access is unconstrained. However, this is not necessarily the case for a project that is subject to grid intervention constraints, redispatch obligation constraints, or connection constraints. As a result, two projects that are exposed to the same price spread may exhibit different backtest outcomes depending on their location within the grid.",{"type":26,"tag":39,"props":13299,"children":13300},{},[13301],{"type":43,"value":13302},"Studies show that the economic value of flexibility assets is not only driven by price volatility but also by the underlying transmission topology and congestion patterns. For investors, this implies that two projects facing the same price spread may generate significantly different revenues based on grid location and operational constraints.",{"type":26,"tag":39,"props":13304,"children":13305},{},[13306],{"type":43,"value":13307},"From an investment perspective, location is more than a technical parameter; it determines the applicable connection framework, potential dispatch limitations, curtailment risk, and ultimately revenue realization.",{"type":26,"tag":39,"props":13309,"children":13310},{},[13311],{"type":43,"value":13312},"In conclusion, this paper seeks to quantify the impact of various constraints imposed by the grid on the economics of a BESS project. Through a systematic comparison of the various types of constraints, such as time-of-availability, static power limits, non-firm transmission access, and curtailment risk, as well as dispatch, ramp, and redispatch constraints, the paper aims to show the differences in their effects on project economics.",{"type":26,"tag":668,"props":13314,"children":13316},{"id":13315},"_3-revenue-impact-under-grid-constraints-scenarios",[13317],{"type":26,"tag":66,"props":13318,"children":13319},{},[13320],{"type":43,"value":13321},"3. Revenue Impact Under Grid Constraints Scenarios",{"type":26,"tag":39,"props":13323,"children":13324},{},[13325],{"type":43,"value":13326},"Short-term dispatch flexibility is constrained by ramping limits, which define the maximum rate at which a storage asset can increase or decrease its injection or offtake.",{"type":26,"tag":39,"props":13328,"children":13329},{},[13330],{"type":43,"value":13331},"A 10 MW/20 MWh BESS in a standalone configuration, limited to a maximum of 2 cycles/day, 90% efficient, and multi-market merchant BESS participation, is simulated using 2024 historical data as an unconstrained reference case, and compared to differentiated grid constraint scenarios, including static export limits, time-based dispatch restrictions, ramp-rate restrictions, and redispatch obligations, in terms of dispatch, revenues, and IRR. ",{"type":26,"tag":39,"props":13333,"children":13334},{},[13335],{"type":43,"value":13336},"Under the unconstrained simulation, the revenues generated by the BESS are approximately €2.1 million annually, or €210,000/MW. ",{"type":26,"tag":39,"props":13338,"children":13339},{},[13340],{"type":26,"tag":66,"props":13341,"children":13342},{},[13343],{"type":43,"value":13344},"3.1 Static Capacity Limitations",{"type":26,"tag":39,"props":13346,"children":13347},{},[13348],{"type":43,"value":13349},"In the first scenario, symmetric static power limitations are applied. The maximum charging and discharging capacity is reduced from 10 MW to 8 MW, while the energy capacity remains unchanged at 20 MWh. This effectively lowers the asset’s C-rate and limits its ability to fully monetize short-duration price spikes. Under this symmetric restriction, annual revenues decrease by approximately 11%.",{"type":26,"tag":39,"props":13351,"children":13352},{},[13353],{"type":43,"value":13354},"In the asymmetric case, charging capacity is reduced from 10 MW to 6 MW while discharge capacity remains at 10 MW. This disproportionately constrains the asset’s ability to exploit negative-price and ancillary-service windows, resulting in a stronger revenue reduction of approximately 16%.",{"type":26,"tag":39,"props":13356,"children":13357},{},[13358],{"type":43,"value":13359},"Overall, static power caps reduce capturable revenues primarily by limiting participation in high-value dispatch periods rather than by proportionally reducing total energy throughput.",{"type":26,"tag":39,"props":13361,"children":13362},{},[13363],{"type":26,"tag":66,"props":13364,"children":13365},{},[13366],{"type":43,"value":13367},"3.2 Time-Based Operational Windows",{"type":26,"tag":39,"props":13369,"children":13370},{},[13371],{"type":43,"value":13372},"The second scenario includes time constraints on dispatching within specific hours.",{"type":26,"tag":39,"props":13374,"children":13375},{},[13376],{"type":43,"value":13377},"A prolonged night-time restriction applied over the full calendar year (January-December, 19:00-06:00) leads to a revenue reduction of about 39%, which represents the effect of restricting dispatches within structurally volatile times. This significant impact reflects that evening and night hours frequently concentrate intraday price spreads, balancing activations, and short-term volatility events in high-renewable systems. Restricting dispatch during these hours removes access to structurally high-value trading windows, limiting both charging in low-price periods and discharging into high-price evening peaks.",{"type":26,"tag":39,"props":13379,"children":13380},{},[13381],{"type":43,"value":13382},"In one of the cases, dispatches are restricted during peak solar times (June-August, daytime period between 08:00 and 18:00). In another case, only discharging is restricted during this time.",{"type":26,"tag":39,"props":13384,"children":13385},{},[13386],{"type":43,"value":13387},"The following graph shows the effect of a daytime operating schedule on intraday dispatches and revenue.",{"type":26,"tag":270,"props":13389,"children":13392},{"alt":1703,"caption":13390,"src":13391},"Figure 3. Intraday Dispatch Under Time-Based Restriction (08:00–18:00)","/images/blog/white-paper-amprion/image-3.webp",[],{"type":26,"tag":39,"props":13394,"children":13395},{},[13396],{"type":43,"value":13397},"Figure 3 compares the merchant dispatch strategy (black) with dispatch under the daytime restriction (yellow). The restriction prevents charging and discharging between 08:00 and 18:00, limiting the ability of the system to exploit intraday price spreads during peak solar hours.",{"type":26,"tag":39,"props":13399,"children":13400},{},[13401],{"type":43,"value":13402},"The lower panel illustrates the resulting impact on daily revenues, showing how the restriction reduces volatility capture despite a similar number of annual cycles.",{"type":26,"tag":39,"props":13404,"children":13405},{},[13406],{"type":43,"value":13407},"Although dispatch flexibility within the day is reduced, the overall number of cycles per year remains largely unchanged.",{"type":26,"tag":39,"props":13409,"children":13410},{},[13411],{"type":43,"value":13412},"Revenue impacts:",{"type":26,"tag":143,"props":13414,"children":13415},{},[13416,13421],{"type":26,"tag":62,"props":13417,"children":13418},{},[13419],{"type":43,"value":13420},"Revenue decreases by approximately 19% under full time-based restriction.",{"type":26,"tag":62,"props":13422,"children":13423},{},[13424],{"type":43,"value":13425},"Revenue decreases by approximately 5% under the discharge-only restriction.",{"type":26,"tag":39,"props":13427,"children":13428},{},[13429],{"type":43,"value":13430},"The following figure consolidates the revenue impact across the different constraint scenarios discussed above.",{"type":26,"tag":270,"props":13432,"children":13434},{"alt":1703,"caption":13142,"src":13433},"/images/blog/white-paper-amprion/image-4.webp",[],{"type":26,"tag":39,"props":13436,"children":13437},{},[13438],{"type":43,"value":13439},"Figure 4 illustrates the relative revenue reduction for static, time-based, and combined constraint scenarios. The outcome indicates that the imposition of constraints on certain high-value hours can have a disproportionately large effect on annual revenue.",{"type":26,"tag":39,"props":13441,"children":13442},{},[13443],{"type":43,"value":13444},"Notably, the number of cycles in a year is relatively consistent across a number of scenarios. This has a number of implications, including that the revenue per cycle will be reduced.",{"type":26,"tag":39,"props":13446,"children":13447},{},[13448],{"type":26,"tag":66,"props":13449,"children":13450},{},[13451],{"type":43,"value":13452},"3.3 Combined Constraint Effects",{"type":26,"tag":39,"props":13454,"children":13455},{},[13456],{"type":43,"value":13457},"When static and time-based constraints are combined:",{"type":26,"tag":143,"props":13459,"children":13460},{},[13461],{"type":26,"tag":62,"props":13462,"children":13463},{},[13464],{"type":43,"value":13465},"Revenue decreases by approximately 31%",{"type":26,"tag":39,"props":13467,"children":13468},{},[13469],{"type":43,"value":13470},"This shows that operational constraints can have compounding effects rather than additive effects. Projects at constrained nodes may thus have structurally lower revenue realization than unconstrained merchant backtests.",{"type":26,"tag":39,"props":13472,"children":13473},{},[13474],{"type":26,"tag":66,"props":13475,"children":13476},{},[13477],{"type":43,"value":13478},"3.4 Ramping Constraints and Flexibility Reduction",{"type":26,"tag":39,"props":13480,"children":13481},{},[13482],{"type":43,"value":13483},"The final scenario evaluates ramping limits, which restrict the speed at which a battery may adjust output within defined intervals.  ",{"type":26,"tag":39,"props":13485,"children":13486},{},[13487],{"type":43,"value":13488},"Although the reference case is based on a 10 MW/20 MWh asset, the ramping analysis is performed on a 100 MW/200 MWh basis to represent transmission-scale projects that are subject to absolute ramp rate constraints (e.g., MW/15-minute interval). Because ramp rate constraints are expressed on an absolute scale rather than a relative scale as a percentage of the total power output, their economic implications are only significant at utility-scale system sizes. ",{"type":26,"tag":39,"props":13490,"children":13491},{},[13492],{"type":43,"value":13493},"Simulation results for a 100 MW / 200 MWh system with 15-minute ramping steps show:",{"type":26,"tag":143,"props":13495,"children":13496},{},[13497],{"type":26,"tag":62,"props":13498,"children":13499},{},[13500],{"type":43,"value":13501},"Revenue decreases by approximately 9%",{"type":26,"tag":270,"props":13503,"children":13506},{"alt":1703,"caption":13504,"src":13505},"Figure 5. Impact of Ramping Constraints on Dispatch and Revenue","/images/blog/white-paper-amprion/image-5.webp",[],{"type":26,"tag":39,"props":13508,"children":13509},{},[13510],{"type":43,"value":13511},"Figure 5 compares dispatch behavior with and without ramping constraints. The ramp limit of 20 MW per 15-minute interval smooths SOC trajectories and reduces short-term volatility capture. In the simulated case, this results in a revenue reduction of approximately 9%, corresponding to around €1.2 million annually.",{"type":26,"tag":39,"props":13513,"children":13514},{},[13515],{"type":43,"value":13516},"For all cases, the revenue losses vary between 5% and 31%, depending on the type and time of constraint.",{"type":26,"tag":39,"props":13518,"children":13519},{},[13520],{"type":43,"value":13521},"The results indicate that ramping constraints are not a marginal technical consideration but a potential determinant of realized IRR under volatile market conditions.",{"type":26,"tag":668,"props":13523,"children":13525},{"id":13524},"_4-investment-implications",[13526],{"type":26,"tag":66,"props":13527,"children":13528},{},[13529],{"type":43,"value":13530},"4. Investment Implications",{"type":26,"tag":39,"props":13532,"children":13533},{},[13534],{"type":43,"value":13535},"The analysis leads to several practical conclusions for developers, investors, and asset managers. ",{"type":26,"tag":39,"props":13537,"children":13538},{},[13539,13544],{"type":26,"tag":66,"props":13540,"children":13541},{},[13542],{"type":43,"value":13543},"a) Grid constraints materially alter revenue outcomes.",{"type":43,"value":13545},"  ",{"type":26,"tag":39,"props":13547,"children":13548},{},[13549],{"type":43,"value":13550},"Depending on the type and timing of the constraint, annual revenues can be reduced between 5 and 39 percent. Profitability is thus not driven by market spreads alone but is subject to specific operational conditions of the respective connection.",{"type":26,"tag":39,"props":13552,"children":13553},{},[13554,13559],{"type":26,"tag":66,"props":13555,"children":13556},{},[13557],{"type":43,"value":13558},"b) Constraint type matters more than constraint presence.",{"type":43,"value":13560}," ",{"type":26,"tag":39,"props":13562,"children":13563},{},[13564],{"type":43,"value":13565},"Static export limits, time-based restrictions, and ramp-rate have materially different economic impacts. Time-dependent constraints during high-volatility periods produce the largest revenue reductions.  ",{"type":26,"tag":39,"props":13567,"children":13568},{},[13569],{"type":26,"tag":66,"props":13570,"children":13571},{},[13572],{"type":43,"value":13573},"c) Merchant backtests require constraint-adjusted sensitivity analysis.",{"type":26,"tag":39,"props":13575,"children":13576},{},[13577],{"type":43,"value":13578},"Unconstrained merchant assumptions can materially overstate expected revenues. Bankability assessments should explicitly incorporate differentiated grid-constraint scenarios. ",{"type":26,"tag":668,"props":13580,"children":13582},{"id":13581},"_5-conclusion",[13583],{"type":26,"tag":66,"props":13584,"children":13585},{},[13586],{"type":43,"value":13587},"5. Conclusion",{"type":26,"tag":39,"props":13589,"children":13590},{},[13591],{"type":43,"value":13592},"The growth in BESS in the German market is heavily driven by the strength of wholesale price signals and volatility capture opportunities. However, the results show that, the key driver for profitability is not based solely on the wholesale price spread, but rather the grid constraint model applied at the specific connection node.",{"type":26,"tag":39,"props":13594,"children":13595},{},[13596],{"type":43,"value":13597},"The analysis has shown that, across the simulated scenarios, the reduction in revenues varies between 5 and 39 percent, dependent upon the specific constraint applied and the timing thereof. The static export constraint reduces revenues by 11-16 percent, while the time-dependent constraint applied during periods of high volatility has shown the greatest impact. The ramping constraint, although not having a material impact upon total energy throughput, has shown a 9 percent reduction in revenues, highlighting the value of short-term flexibility.",{"type":26,"tag":39,"props":13599,"children":13600},{},[13601],{"type":43,"value":13602},"As demonstrated, when combining multiple constraint scenarios, the reduction in revenues is as high as 31 percent, which has a significant bearing upon the IRR assumptions applied. As the grid becomes more constrained, it is critical that backtests applied for merchant projects, assuming unconstrained dispatch, should specifically include cases with varying grid constraints.",{"type":26,"tag":668,"props":13604,"children":13606},{"id":13605},"_6-references",[13607],{"type":26,"tag":66,"props":13608,"children":13609},{},[13610],{"type":43,"value":13611},"6. References",{"type":26,"tag":39,"props":13613,"children":13614},{},[13615,13618,13620,13625,13627],{"type":26,"tag":12818,"props":13616,"children":13617},{"id":12820},[],{"type":43,"value":13619},"[1] Bundesnetzagentur (2025). ",{"type":26,"tag":543,"props":13621,"children":13622},{},[13623],{"type":43,"value":13624},"Monitoring report 2024: Battery storage grid applications",{"type":43,"value":13626},". ",{"type":26,"tag":562,"props":13628,"children":13631},{"href":13629,"rel":13630},"https://www.dsc.bund.de/SharedDocs/Pressemitteilungen/EN/2025/20251112_SMARD.html",[566],[13632],{"type":43,"value":13633},"Bundesnetzagentur",{"type":26,"tag":39,"props":13635,"children":13636},{},[13637,13640,13642,13647,13648],{"type":26,"tag":12818,"props":13638,"children":13639},{"id":12842},[],{"type":43,"value":13641},"[2] Montel Energy (2026). ",{"type":26,"tag":543,"props":13643,"children":13644},{},[13645],{"type":43,"value":13646},"Germany battery storage deployment snapshot: Installed base and market overview",{"type":43,"value":13626},{"type":26,"tag":562,"props":13649,"children":13652},{"href":13650,"rel":13651},"https://montel.energy/resources/blog/battery-storage-flexibility-germany-power-prices",[566],[13653],{"type":43,"value":13654},"Montel Energy",{"type":26,"tag":39,"props":13656,"children":13657},{},[13658,13661,13663,13668,13669],{"type":26,"tag":12818,"props":13659,"children":13660},{"id":12863},[],{"type":43,"value":13662},"[3] Bundesnetzagentur (2025). ",{"type":26,"tag":543,"props":13664,"children":13665},{},[13666],{"type":43,"value":13667},"Stromspeicher (Szenariorahmen 2025–2037/2045): Assumed storage capacity range",{"type":43,"value":13626},{"type":26,"tag":562,"props":13670,"children":13673},{"href":13671,"rel":13672},"https://www.bundesnetzagentur.de/DE/Fachthemen/ElektrizitaetundGas/Speicher/artikel.html",[566],[13674],{"type":43,"value":13633},{"type":26,"tag":39,"props":13676,"children":13677},{},[13678,13681,13683,13688,13690],{"type":26,"tag":12818,"props":13679,"children":13680},{"id":12885},[],{"type":43,"value":13682},"[4] International Energy Agency (2023). ",{"type":26,"tag":543,"props":13684,"children":13685},{},[13686],{"type":43,"value":13687},"Electricity Grids and Secure Energy Transitions",{"type":43,"value":13689},". Paris: IEA. ",{"type":26,"tag":562,"props":13691,"children":13694},{"href":13692,"rel":13693},"https://iea.blob.core.windows.net/assets/ea2ff609-8180-4312-8de9-494bcf21696d/ElectricityGridsandSecureEnergyTransitions.pdf",[566],[13695],{"type":43,"value":11652},{"type":26,"tag":39,"props":13697,"children":13698},{},[13699,13702,13704,13709,13711],{"type":26,"tag":12818,"props":13700,"children":13701},{"id":12907},[],{"type":43,"value":13703},"[5] Bundesnetzagentur and Bundeskartellamt (2023). ",{"type":26,"tag":543,"props":13705,"children":13706},{},[13707],{"type":43,"value":13708},"Monitoringbericht Energie 2023",{"type":43,"value":13710},". Bonn. ",{"type":26,"tag":562,"props":13712,"children":13715},{"href":13713,"rel":13714},"https://data.bundesnetzagentur.de/Bundesnetzagentur/SharedDocs/Mediathek/Monitoringberichte/MonitoringberichtEnergie2023.pdf",[566],[13716],{"type":43,"value":13633},{"type":26,"tag":39,"props":13718,"children":13719},{},[13720,13724,13726,13731,13733],{"type":26,"tag":12818,"props":13721,"children":13723},{"id":13722},"ref-6",[],{"type":43,"value":13725},"[6] ACER (2024). ",{"type":26,"tag":543,"props":13727,"children":13728},{},[13729],{"type":43,"value":13730},"ACER Market Monitoring Report 2024 – Electricity Wholesale Markets Volume",{"type":43,"value":13732},". European Union Agency for the Cooperation of Energy Regulators. ",{"type":26,"tag":562,"props":13734,"children":13737},{"href":13735,"rel":13736},"https://www.acer.europa.eu/monitoring/electricity_market_integration_2024",[566],[13738],{"type":43,"value":13739},"ACER",{"type":26,"tag":39,"props":13741,"children":13742},{},[13743,13747,13749,13754,13755],{"type":26,"tag":12818,"props":13744,"children":13746},{"id":13745},"ref-7",[],{"type":43,"value":13748},"[7] TransnetBW (2026). ",{"type":26,"tag":543,"props":13750,"children":13751},{},[13752],{"type":43,"value":13753},"Übertragungsnetzbetreiber führen 'Reifegradverfahren' für Netzanschlussanträge von Speichern und Großverbrauchern ein",{"type":43,"value":13626},{"type":26,"tag":562,"props":13756,"children":13759},{"href":13757,"rel":13758},"https://www.transnetbw.de/de/newsroom/pressemitteilungen/uebertragungsnetzbetreiber-fuehren-reifegradverfahren-ein",[566],[13760],{"type":43,"value":13761},"TransnetBW",{"type":26,"tag":39,"props":13763,"children":13764},{},[13765,13769,13771,13776,13778],{"type":26,"tag":12818,"props":13766,"children":13768},{"id":13767},"ref-8",[],{"type":43,"value":13770},"[8] Joskow, P. L. (2019). ",{"type":26,"tag":543,"props":13772,"children":13773},{},[13774],{"type":43,"value":13775},"Challenges for wholesale electricity markets with intermittent renewable generation",{"type":43,"value":13777},". The Energy Journal, vol. 40, no. 2. DOI: 10.1093/oxrep/grz001. ",{"type":26,"tag":562,"props":13779,"children":13782},{"href":13780,"rel":13781},"https://doi.org/10.1093/oxrep/grz001",[566],[13783],{"type":43,"value":13784},"The Energy Journal",{"type":26,"tag":39,"props":13786,"children":13787},{},[13788,13792,13794,13799,13801],{"type":26,"tag":12818,"props":13789,"children":13791},{"id":13790},"ref-9",[],{"type":43,"value":13793},"[9] Czock, B. H., Sitzmann, A., and Zinke, J. (2023). ",{"type":26,"tag":543,"props":13795,"children":13796},{},[13797],{"type":43,"value":13798},"The place beyond the lines – Efficient storage allocation in a spatially unbalanced power system",{"type":43,"value":13800},". EWI Working Paper 23/01. ",{"type":26,"tag":562,"props":13802,"children":13805},{"href":13803,"rel":13804},"https://www.ewi.uni-koeln.de/cms/wp-content/uploads/2023/03/EWI_WP_23-01_The_place_beyond_the_lines_efficient_storage_allocation_Czock_Sitzmann_Zinke.pdf",[566],[13806],{"type":43,"value":13807},"EWI",{"type":26,"tag":596,"props":13809,"children":13810},{"author":12963},[],{"type":26,"tag":600,"props":13812,"children":13813},{":blog":602,":type":603},[],{"type":26,"tag":606,"props":13815,"children":13816},{},[],{"type":26,"tag":610,"props":13818,"children":13819},{},[],{"type":26,"tag":614,"props":13821,"children":13822},{},[],{"title":7,"searchDepth":618,"depth":618,"links":13824},[13825,13826,13827,13828,13829,13830,13831],{"id":12072,"depth":618,"text":12075},{"id":13054,"depth":618,"text":13060},{"id":13224,"depth":618,"text":13230},{"id":13315,"depth":618,"text":13321},{"id":13524,"depth":618,"text":13530},{"id":13581,"depth":618,"text":13587},{"id":13605,"depth":618,"text":13611},"content:blog:whitepapers:white-paper-amprion.md","blog/whitepapers/white-paper-amprion.md","blog/whitepapers/white-paper-amprion",{"loc":12959},{"_path":13837,"_dir":12045,"_draft":6,"_partial":6,"_locale":7,"title":13838,"description":13839,"publishedAt":13840,"author":13841,"tags":13842,"image":13843,"readingTime":1443,"body":13844,"_type":629,"_id":14551,"_source":631,"_file":14552,"_stem":14553,"_extension":634,"sitemap":14554},"/blog/whitepapers/white-paper-pv-bess","The True Profitability of Front-of-the-Meter PV + BESS Co-location","This white paper summarizes insights from a modeled 25 MWp PV + 25 MW / 50 MWh Front-of-the-Meter hybrid systems and translates them into investment-relevant conclusions for developers, financiers, and asset owners.","01-31-2026","Leon Urban",[1440],"/images/blog/white-paper-pv-bess/cover.webp",{"type":23,"children":13845,"toc":14536},[13846,13849,13853,13861,13865,13872,13877,13907,13913,13941,13946,13954,13960,13988,13993,14040,14053,14058,14064,14069,14074,14079,14084,14089,14095,14100,14105,14111,14117,14122,14127,14132,14138,14143,14148,14170,14176,14181,14186,14209,14214,14219,14224,14229,14235,14240,14258,14263,14286,14290,14295,14300,14305,14309,14329,14350,14372,14392,14414,14435,14457,14478,14499,14521,14524,14527,14530,14533],{"type":26,"tag":27,"props":13847,"children":13848},{"alt":1448,"caption":7,"src":13843},[],{"type":26,"tag":34,"props":13850,"children":13852},{":reading-time":1619,"aspect":1453,"author":13841,"date":13840,"pdfUrl":13851,"title":13838,"type":12060},"/papers/white-paper-pv-bess.pdf",[],{"type":26,"tag":39,"props":13854,"children":13855},{},[13856],{"type":26,"tag":543,"props":13857,"children":13858},{},[13859],{"type":43,"value":13860},"A data-driven case study on what really moves IRR: market scenario, grid constraints, and degradation",{"type":26,"tag":39,"props":13862,"children":13863},{},[13864],{"type":43,"value":13839},{"type":26,"tag":668,"props":13866,"children":13867},{"id":12072},[13868],{"type":26,"tag":66,"props":13869,"children":13870},{},[13871],{"type":43,"value":12075},{"type":26,"tag":39,"props":13873,"children":13874},{},[13875],{"type":43,"value":13876},"Co-location is no longer a niche design choice. In European power markets, PV economics are increasingly shaped by midday price cannibalization, more hours with negative prices, and tighter grid access. Adding a battery can convert a single-interconnector PV project into a multi-market, time-shifting asset - but only if the business case is modeled with financing-grade rigor.",{"type":26,"tag":39,"props":13878,"children":13879},{},[13880,13882,13889,13891,13898,13900],{"type":43,"value":13881},"The central insight of this paper is that PV+BESS outcomes are no longer primarily driven by installed capacity or a single-year backtest. Instead, they are driven by the market scenario applied over the next 10-15 years, ",{"type":26,"tag":12087,"props":13883,"children":13884},{},[13885],{"type":26,"tag":562,"props":13886,"children":13887},{"href":12092,"style":12093},[13888],{"type":43,"value":2357},{"type":43,"value":13890}," effective grid connection constraints, ",{"type":26,"tag":12087,"props":13892,"children":13893},{},[13894],{"type":26,"tag":562,"props":13895,"children":13896},{"href":12108,"style":12093},[13897],{"type":43,"value":2397},{"type":43,"value":13899}," and cycle and degradation strategies that shape long-term performance. ",{"type":26,"tag":12087,"props":13901,"children":13902},{},[13903],{"type":26,"tag":562,"props":13904,"children":13905},{"href":12118,"style":12093},[13906],{"type":43,"value":2418},{"type":26,"tag":668,"props":13908,"children":13910},{"id":13909},"key-findings-from-the-25-mwp-25-mw-50-mwh-case-study",[13911],{"type":43,"value":13912},"Key findings from the 25 MWp + 25 MW / 50 MWh case study",{"type":26,"tag":143,"props":13914,"children":13915},{},[13916,13921,13926,13931,13936],{"type":26,"tag":62,"props":13917,"children":13918},{},[13919],{"type":43,"value":13920},"2024 backtest (multi-market, fully merchant): €7.03m revenue in the analysis period (~€153k per MW) and ~22.1% unlevered IRR, with an estimated asset life of ~15.4 years to 60% SOH (~6,240 cycles).",{"type":26,"tag":62,"props":13922,"children":13923},{},[13924],{"type":43,"value":13925},"Market participation strategy matters: keeping the same technical setup, revenues vary strongly by strategy from ~€2.2m (Day-Ahead only) to ~€7.0m (merchant case).",{"type":26,"tag":62,"props":13927,"children":13928},{},[13929],{"type":43,"value":13930},"Grid export constraints are decisive: a static export reduction of 5 MW (25 -> 20 MW) reduces revenues by ~€1.8m and pushes IRR down to ~13% in the evaluated setup.",{"type":26,"tag":62,"props":13932,"children":13933},{},[13934],{"type":43,"value":13935},"More cycling increases revenue but compresses lifetime: increasing the cycle limit from 1.25 to 2.0 cycles/day adds ~€330k but shortens modeled lifetime by ~5.4 years.",{"type":26,"tag":62,"props":13937,"children":13938},{},[13939],{"type":43,"value":13940},"Figure 1 illustrates how the revenue, unlevered IRR, and effective asset lifetime are determined based on the fully merchant, multi-market dispatch strategy for the PV+BESS hybrid system.",{"type":26,"tag":270,"props":13942,"children":13945},{"alt":1703,"caption":13943,"src":13944},"Figure 1. Revenue, IRR, and lifetime outcomes from a 2024 fully merchant multi-market backtest","/images/blog/white-paper-pv-bess/image-1.webp",[],{"type":26,"tag":143,"props":13947,"children":13948},{},[13949],{"type":26,"tag":62,"props":13950,"children":13951},{},[13952],{"type":43,"value":13953},"In short, the figure illustrates the strong short-term returns potential, which can be achieved by virtue of a favorable market, while simultaneously indicating their inherent connection to a dispatch strategy and a cycle-driven lifetime approach.",{"type":26,"tag":668,"props":13955,"children":13957},{"id":13956},"_1-why-pv-only-economics-are-tightening-and-why-co-location-is-rising",[13958],{"type":43,"value":13959},"1. Why PV-only economics are tightening - and why Co-location is rising",{"type":26,"tag":39,"props":13961,"children":13962},{},[13963,13965,13972,13973,13980,13981],{"type":43,"value":13964},"In Germany and across Europe, PV-only projects are facing a new combination of pressures: declining and more volatile price levels, uncertainty in PPA pricing, more frequent negative-price events, and increasing bottlenecks around grid connection capacity. These developments materially affect project valuation, financing assumptions, and M&A pricing for PV project rights and operating assets. ",{"type":26,"tag":12087,"props":13966,"children":13967},{},[13968],{"type":26,"tag":562,"props":13969,"children":13970},{"href":12108,"style":12093},[13971],{"type":43,"value":2397},{"type":43,"value":560},{"type":26,"tag":12087,"props":13974,"children":13975},{},[13976],{"type":26,"tag":562,"props":13977,"children":13978},{"href":12118,"style":12093},[13979],{"type":43,"value":2418},{"type":43,"value":560},{"type":26,"tag":12087,"props":13982,"children":13983},{},[13984],{"type":26,"tag":562,"props":13985,"children":13986},{"href":12522,"style":12093},[13987],{"type":43,"value":2434},{"type":26,"tag":39,"props":13989,"children":13990},{},[13991],{"type":43,"value":13992},"Germany-specific signals that make this shift tangible:",{"type":26,"tag":143,"props":13994,"children":13995},{},[13996,14008,14020],{"type":26,"tag":62,"props":13997,"children":13998},{},[13999,14001],{"type":43,"value":14000},"Negative prices are no longer rare. In 2024, Germany recorded 459 hours with negative day-ahead prices. ",{"type":26,"tag":12087,"props":14002,"children":14003},{},[14004],{"type":26,"tag":562,"props":14005,"children":14006},{"href":12092,"style":12093},[14007],{"type":43,"value":2357},{"type":26,"tag":62,"props":14009,"children":14010},{},[14011,14013],{"type":43,"value":14012},"For PV plants remunerated under the EEG market premium scheme, support can be suspended during sustained negative day-ahead prices (e.g., a 3-hour rule applies to certain new installations from 2023 onward).  This increases capture-price risk for PV-only projects and strengthens the case for flexibility. ",{"type":26,"tag":12087,"props":14014,"children":14015},{},[14016],{"type":26,"tag":562,"props":14017,"children":14018},{"href":12118,"style":12093},[14019],{"type":43,"value":2418},{"type":26,"tag":62,"props":14021,"children":14022},{},[14023,14025,14032,14033],{"type":43,"value":14024},"Grid connection access is increasingly described as a bottleneck, while PV project valuation has become more sensitive to merchant risk, PPA levels, and operational assumptions. ",{"type":26,"tag":12087,"props":14026,"children":14027},{},[14028],{"type":26,"tag":562,"props":14029,"children":14030},{"href":12522,"style":12093},[14031],{"type":43,"value":2434},{"type":43,"value":560},{"type":26,"tag":12087,"props":14034,"children":14035},{},[14036],{"type":26,"tag":562,"props":14037,"children":14038},{"href":12530,"style":12093},[14039],{"type":43,"value":2453},{"type":26,"tag":39,"props":14041,"children":14042},{},[14043,14045],{"type":43,"value":14044},"In addition, higher PV penetration can compress PV capture prices via the cannibalization effect (prices tend to fall in the same hours when PV output is highest), further tightening standalone PV economics even if average wholesale prices remain stable. ",{"type":26,"tag":12087,"props":14046,"children":14047},{},[14048],{"type":26,"tag":562,"props":14049,"children":14051},{"href":14050,"style":12093},"#ref-6",[14052],{"type":43,"value":2462},{"type":26,"tag":39,"props":14054,"children":14055},{},[14056],{"type":43,"value":14057},"Hybrid PV + BESS responds directly to this environment. Shared infrastructure can reduce complexity around grid access, and the battery can (a) shift PV energy into higher-value hours, (b) monetize intraday volatility, and (c) add ancillary service revenues. In short: the asset moves from being price-taker PV to an actively dispatched portfolio of revenue streams. The implication for developers is practical: a co-located battery is increasingly not an 'add-on' but a way to make a constrained grid connection bankable under merchant exposure.",{"type":26,"tag":668,"props":14059,"children":14061},{"id":14060},"_2-case-study-and-modelling-approach",[14062],{"type":43,"value":14063},"2. Case study and modelling approach",{"type":26,"tag":39,"props":14065,"children":14066},{},[14067],{"type":43,"value":14068},"Germany: 25 MWp PV combined with a 25 MW / 50 MWh lithium-ion battery. The battery is modeled with DoD-dependent degradation and an end-of-life threshold at 60% state of health (SOH). Dispatch is optimized on 15-minute resolution across multiple markets, reflecting PV generation profiles (derived from local weather) and battery behavior.",{"type":26,"tag":39,"props":14070,"children":14071},{},[14072],{"type":43,"value":14073},"Baseline operating assumptions include a cycle limit of 1.25 cycles per day in the reference case.",{"type":26,"tag":39,"props":14075,"children":14076},{},[14077],{"type":43,"value":14078},"To isolate the impact of the commercial strategy, the same technical solution of PV+BESS is evaluated under different assumptions on the route to market, as in Figure 2:",{"type":26,"tag":270,"props":14080,"children":14083},{"alt":1703,"caption":14081,"src":14082},"Figure 2. Strategy comparison (same hardware, different revenues)  ).","/images/blog/white-paper-pv-bess/image-2.webp",[],{"type":26,"tag":39,"props":14085,"children":14086},{},[14087],{"type":43,"value":14088},"The revenues differ by a few million Euros depending on the market share, and this proves that the commercial strategy is a first-order value driver and not a secondary optimisation decision.",{"type":26,"tag":668,"props":14090,"children":14092},{"id":14091},"_3-2024-backtest-strong-returns-are-achievable-but-require-context",[14093],{"type":43,"value":14094},"3. 2024 Backtest: Strong Returns are Achievable - but Require Context",{"type":26,"tag":39,"props":14096,"children":14097},{},[14098],{"type":43,"value":14099},"When the modeled hybrid is dispatched against real 2024 market data under a multi-market merchant strategy, the asset shows high profitability: €7.03m revenue in the analysis period and ~22.1% unlevered IRR, with an estimated life of ~15.4 years to 60% SOH (~6,240 cycles).",{"type":26,"tag":39,"props":14101,"children":14102},{},[14103],{"type":43,"value":14104},"Accordingly, the 2024 backtest should be interpreted as a contextual reference rather than a representative long-term baseline. It shows what is possible in an environment with strong intraday spreads, frequent negative-price windows, and attractive ancillary-service pricing - provided the optimizer can capture opportunities while respecting grid and degradation constraints.",{"type":26,"tag":668,"props":14106,"children":14108},{"id":14107},"_4-two-value-drivers-that-spreadsheets-often-miss",[14109],{"type":43,"value":14110},"4. Two value drivers that spreadsheets often miss",{"type":26,"tag":46,"props":14112,"children":14114},{"id":14113},"_41-grid-constraints-the-fastest-way-to-lose-irr",[14115],{"type":43,"value":14116},"4.1 Grid constraints: the fastest way to lose IRR",{"type":26,"tag":39,"props":14118,"children":14119},{},[14120],{"type":43,"value":14121},"Grid constraints are frequently treated as secondary assumptions in financial models. In practice, they are among the most powerful determinants of realized returns. Any restriction on import or export capacity directly limits the system's ability to monetize peak prices, capture ancillary service revenues, or optimally arbitrage volatility across markets. More broadly, grid constraints and slow grid build-out are increasingly described as a binding bottleneck for the energy transition.",{"type":26,"tag":39,"props":14123,"children":14124},{},[14125],{"type":43,"value":14126},"In the analyzed case, a static export limitation of 5 MW (from 25 MW to 20 MW) materially alters the revenue profile. Peak price hours - where a significant share of merchant value is generated - are precisely the periods in which the system is forced to curtail dispatch. As a result, total revenues decline by approximately €1.8 million over the analysis period, pushing the project IRR down to roughly 13%. This represents a reduction of around 9% compared to the unconstrained case.",{"type":26,"tag":39,"props":14128,"children":14129},{},[14130],{"type":43,"value":14131},"This illustrates that grid constraints are not an operational detail but a structural system effect. Their impact is non-linear, as they disproportionately affect high-value operating hours.\nIgnoring them leads to systematically overstated IRRs and non-bankable business cases, particularly for co-located PV+BESS projects operating under merchant exposure.",{"type":26,"tag":46,"props":14133,"children":14135},{"id":14134},"_42-cycling-and-degradation-higher-revenue-can-shorten-the-asset",[14136],{"type":43,"value":14137},"4.2 Cycling and degradation: higher revenue can shorten the asset",{"type":26,"tag":39,"props":14139,"children":14140},{},[14141],{"type":43,"value":14142},"Battery operation is fundamentally a trade-off between short-term revenue maximization and long-term asset value. Increasing the number of daily cycles expands market participation and captures more arbitrage opportunities, but it also accelerates degradation and brings forward end-of-life. In the modeled project, increasing the cycle limit from 1.25 to 2.0 cycles per day results in additional revenues of approximately €330k during the analysis period. However, this comes at a high cost: the modeled asset lifetime is reduced by roughly 5.4 years due to faster depletion of usable cycles.",{"type":26,"tag":39,"props":14144,"children":14145},{},[14146],{"type":43,"value":14147},"This shift materially changes the cashflow profile. While annual revenues increase, the total value generated over the asset's life may decline once earlier replacement or augmentation costs are considered. The implication is clear: maximizing cycles is not equivalent to maximizing value.",{"type":26,"tag":39,"props":14149,"children":14150},{},[14151,14153,14161,14162],{"type":43,"value":14152},"A frequent modeling simplification is to treat degradation as a linear adjustment. In practice, degradation is strongly influenced by operating conditions such as temperature, state of charge, load profile, and cycling patterns - so cycle strategy directly shapes usable lifetime and the cashflow timeline. ",{"type":26,"tag":12087,"props":14154,"children":14155},{},[14156],{"type":26,"tag":562,"props":14157,"children":14159},{"href":14158,"style":12093},"#ref-7",[14160],{"type":43,"value":2500},{"type":43,"value":560},{"type":26,"tag":12087,"props":14163,"children":14164},{},[14165],{"type":26,"tag":562,"props":14166,"children":14168},{"href":14167,"style":12093},"#ref-8",[14169],{"type":43,"value":2601},{"type":26,"tag":668,"props":14171,"children":14173},{"id":14172},"_5-long-term-scenarios-the-bankable-view-is-structurally-lower",[14174],{"type":43,"value":14175},"5. Long-term scenarios: the bankable view is structurally lower",{"type":26,"tag":39,"props":14177,"children":14178},{},[14179],{"type":43,"value":14180},"Long-term profitability depends most on the scenario applied for future price paths. In this paper, a conservative forecast scenario (15-year horizon) is used as a bankability-oriented view. In the results, this lowers the IRR materially compared to the 2024 backtest.",{"type":26,"tag":39,"props":14182,"children":14183},{},[14184],{"type":43,"value":14185},"Using the conservative forecast case integrated in the tool, the modeled project yields ~7.92% unlevered IRR. The forecast explicitly assumes declining revenues in key ancillary-service components (e.g., FCR and aFRR negative capacity) as additional battery capacity enters the market. Revenue outcomes vary by approximately +/-20% across different forecast scenarios.",{"type":26,"tag":39,"props":14187,"children":14188},{},[14189,14191,14199,14200],{"type":43,"value":14190},"These dynamics reflect broader market developments rather than project-specific effects. For example, historical balancing market data show that procurement costs and clearing prices can shift materially over time as supply, market design, and participation change. ",{"type":26,"tag":12087,"props":14192,"children":14193},{},[14194],{"type":26,"tag":562,"props":14195,"children":14197},{"href":14196,"style":12093},"#ref-9",[14198],{"type":43,"value":2636},{"type":43,"value":560},{"type":26,"tag":12087,"props":14201,"children":14202},{},[14203],{"type":26,"tag":562,"props":14204,"children":14206},{"href":14205,"style":12093},"#ref-10",[14207],{"type":43,"value":14208},"[10]",{"type":26,"tag":39,"props":14210,"children":14211},{},[14212],{"type":43,"value":14213},"Although historical backtests demonstrate potential benefits, actual investment decisions rely on future projections, as shown in Figure 3, which provides results based on a conservative 15-year forecast.",{"type":26,"tag":270,"props":14215,"children":14218},{"alt":1703,"caption":14216,"src":14217},"Figure 3. Long-term IRR and revenue evolution under a conservative 15-year market forecast.","/images/blog/white-paper-pv-bess/image-3.webp",[],{"type":26,"tag":39,"props":14220,"children":14221},{},[14222],{"type":43,"value":14223},"In comparison to the 2024 backtest results, the forecast results provide a clear indication that a structurally lower IRR is not a weakness in the model but a realistic result of the declining ancillary service costs.",{"type":26,"tag":39,"props":14225,"children":14226},{},[14227],{"type":43,"value":14228},"A backtest captures the full richness of a historical year: realized volatility, realized spreads, and realized market conditions. Forecasts are, by design, smoother and more conservative; they may also cover only a subset of market products with high confidence. For investment decisions, this is a feature, not a bug: the forecast case should be interpreted as a risk-aware baseline rather than an upside case.",{"type":26,"tag":668,"props":14230,"children":14232},{"id":14231},"_6-investment-implications-a-practical",[14233],{"type":43,"value":14234},"6. Investment Implications: a Practical",{"type":26,"tag":39,"props":14236,"children":14237},{},[14238],{"type":43,"value":14239},"For developers and investors, the case study translates into three practical rules:",{"type":26,"tag":143,"props":14241,"children":14242},{},[14243,14248,14253],{"type":26,"tag":62,"props":14244,"children":14245},{},[14246],{"type":43,"value":14247},"Treat the market scenario as a first-class input. Use at least one conservative and one upside scenario, and document the revenue-stack composition.",{"type":26,"tag":62,"props":14249,"children":14250},{},[14251],{"type":43,"value":14252},"Model grid constraints explicitly (export, import, ramps, and time windows) before finalizing sizing. Grid rules can remove multiple IRR points quickly.",{"type":26,"tag":62,"props":14254,"children":14255},{},[14256],{"type":43,"value":14257},"Optimize cycling for lifetime cashflows, not just annual revenue. A cycle strategy that looks attractive on one-year revenue can become value-destructive once replacement needs are priced in.",{"type":26,"tag":39,"props":14259,"children":14260},{},[14261],{"type":43,"value":14262},"Common pitfalls observed in PV+BESS modelling include:",{"type":26,"tag":143,"props":14264,"children":14265},{},[14266,14271,14276,14281],{"type":26,"tag":62,"props":14267,"children":14268},{},[14269],{"type":43,"value":14270},"Relying on a single historical year as a proxy for the next 15 years.",{"type":26,"tag":62,"props":14272,"children":14273},{},[14274],{"type":43,"value":14275},"Ignoring export limits or assuming 'nameplate MW' equals dispatchable MW at all times.",{"type":26,"tag":62,"props":14277,"children":14278},{},[14279],{"type":43,"value":14280},"Using fixed-rule dispatch in spreadsheets (e.g., 'charge at noon, discharge at 19:00') without market-by-market optimization.",{"type":26,"tag":62,"props":14282,"children":14283},{},[14284],{"type":43,"value":14285},"Treating degradation as a simple linear haircut instead of a cycle- and DoD-dependent constraint.",{"type":26,"tag":668,"props":14287,"children":14288},{"id":571},[14289],{"type":43,"value":574},{"type":26,"tag":39,"props":14291,"children":14292},{},[14293],{"type":43,"value":14294},"PV + BESS co-location can deliver strong profitability - but the difference between a 20%+ backtest IRR and a single-digit long-term IRR is not a rounding error. It is the result of scenario choice, grid constraints, and degradation-aware operation. Projects that quantify these drivers early can size systems correctly, avoid non-bankable assumptions, and negotiate grid and offtake terms from a position of strength.",{"type":26,"tag":39,"props":14296,"children":14297},{},[14298],{"type":43,"value":14299},"Overall, the analysis shows that PV+BESS profitability is increasingly shaped by scenario choice, grid conditions, and degradation dynamics. Projects that explicitly account for these interactions can be designed, evaluated, and operated with greater transparency and realism.",{"type":26,"tag":39,"props":14301,"children":14302},{},[14303],{"type":43,"value":14304},"To evaluate your own PV+BESS project in minutes, explore Re-Twin’s digital-twin workflow and run scenarios, constraints, and strategies side by side.",{"type":26,"tag":668,"props":14306,"children":14307},{"id":12810},[14308],{"type":43,"value":12813},{"type":26,"tag":39,"props":14310,"children":14311},{},[14312,14315,14316,14321,14323],{"type":26,"tag":12818,"props":14313,"children":14314},{"id":12820},[],{"type":43,"value":12823},{"type":26,"tag":543,"props":14317,"children":14318},{},[14319],{"type":43,"value":14320},"German electricity prices on EPEX Spot 2024",{"type":43,"value":14322}," (459 hours of negative day-ahead prices in 2024). ",{"type":26,"tag":562,"props":14324,"children":14327},{"href":14325,"rel":14326},"https://www.ffe.de/en/publications/german-electricity-prices-on-epex-spot-2024/",[566],[14328],{"type":43,"value":12836},{"type":26,"tag":39,"props":14330,"children":14331},{},[14332,14335,14337,14342,14344],{"type":26,"tag":12818,"props":14333,"children":14334},{"id":12842},[],{"type":43,"value":14336},"[2] FfE (2025). ",{"type":26,"tag":543,"props":14338,"children":14339},{},[14340],{"type":43,"value":14341},"European day-ahead electricity prices in 2024",{"type":43,"value":14343}," (volatility increase; record negative-price hours in many countries). ",{"type":26,"tag":562,"props":14345,"children":14348},{"href":14346,"rel":14347},"https://www.ffe.de/en/publications/european-day-ahead-electricity-prices-in-2024/?.com",[566],[14349],{"type":43,"value":12836},{"type":26,"tag":39,"props":14351,"children":14352},{},[14353,14356,14358,14363,14365],{"type":26,"tag":12818,"props":14354,"children":14355},{"id":12863},[],{"type":43,"value":14357},"[3] netztransparenz.de (TSO platform). ",{"type":26,"tag":543,"props":14359,"children":14360},{},[14361],{"type":43,"value":14362},"Negative spot market price - overview tables",{"type":43,"value":14364}," (EEG market premium logic for consecutive negative hours). ",{"type":26,"tag":562,"props":14366,"children":14369},{"href":14367,"rel":14368},"https://www.netztransparenz.de/en/Renewable-energies-and-levies/EEG/Transparency-requirements/Market-premium/Negative-spot-market-price-overview-tables?utm_source=chatgpt.com",[566],[14370],{"type":43,"value":14371},"Netztransparenz+1",{"type":26,"tag":39,"props":14373,"children":14374},{},[14375,14378,14380,14384,14386],{"type":26,"tag":12818,"props":14376,"children":14377},{"id":12885},[],{"type":43,"value":14379},"[4] IEA (2023). ",{"type":26,"tag":543,"props":14381,"children":14382},{},[14383],{"type":43,"value":13687},{"type":43,"value":14385}," (grids as potential bottleneck; connection constraints). ",{"type":26,"tag":562,"props":14387,"children":14390},{"href":14388,"rel":14389},"https://www.netztransparenz.de/en/Renewable-energies-and-levies/EEG/Transparency-requirements/Market-premium/Negative-spot-market-price-overview-tables?.com",[566],[14391],{"type":43,"value":11652},{"type":26,"tag":39,"props":14393,"children":14394},{},[14395,14398,14400,14405,14407],{"type":26,"tag":12818,"props":14396,"children":14397},{"id":12907},[],{"type":43,"value":14399},"[5] pv magazine Deutschland (2025). ",{"type":26,"tag":543,"props":14401,"children":14402},{},[14403],{"type":43,"value":14404},"Turbulente Zeiten im Strommarkt… Auswirkungen auf die Bewertung von PV-Projektrechten…",{"type":43,"value":14406}," (valuation sensitivity, PPA levels, financing conditions, overloaded grid connections). ",{"type":26,"tag":562,"props":14408,"children":14411},{"href":14409,"rel":14410},"https://www.pv-magazine.de/2025/12/15/turbulente-zeiten-im-strommarkt-auswirkungen-auf-die-bewertung-von-photovoltaik-projektrechten-im-jahresabschluss-und-bei-ma-transaktionen/?.com",[566],[14412],{"type":43,"value":14413},"pv magazine Deutschland",{"type":26,"tag":39,"props":14415,"children":14416},{},[14417,14420,14422,14427,14429],{"type":26,"tag":12818,"props":14418,"children":14419},{"id":13722},[],{"type":43,"value":14421},"[6] Reichenberg, L., Ekholm, T., Boomsma, T. (2023). ",{"type":26,"tag":543,"props":14423,"children":14424},{},[14425],{"type":43,"value":14426},"Revenue and risk of variable renewable electricity investment: The cannibalization effect under high market penetration",{"type":43,"value":14428}," (Energy). ",{"type":26,"tag":562,"props":14430,"children":14433},{"href":14431,"rel":14432},"https://www.sciencedirect.com/science/article/abs/pii/S0360544223018133?.com",[566],[14434],{"type":43,"value":12879},{"type":26,"tag":39,"props":14436,"children":14437},{},[14438,14441,14443,14448,14450],{"type":26,"tag":12818,"props":14439,"children":14440},{"id":13745},[],{"type":43,"value":14442},"[7] Edge, J.S. et al. (2021). ",{"type":26,"tag":543,"props":14444,"children":14445},{},[14446],{"type":43,"value":14447},"Lithium ion battery degradation: what you need to know",{"type":43,"value":14449}," (stress factors: temperature, SoC, load profile). ",{"type":26,"tag":562,"props":14451,"children":14454},{"href":14452,"rel":14453},"https://pubs.rsc.org/en/content/articlehtml/2021/cp/d1cp00359c?.com",[566],[14455],{"type":43,"value":14456},"RSC Publishing",{"type":26,"tag":39,"props":14458,"children":14459},{},[14460,14463,14465,14470,14472],{"type":26,"tag":12818,"props":14461,"children":14462},{"id":13767},[],{"type":43,"value":14464},"[8] Kirkaldy, N. et al. (2024). ",{"type":26,"tag":543,"props":14466,"children":14467},{},[14468],{"type":43,"value":14469},"Lithium-ion battery degradation: Comprehensive cycle ageing data and analysis for commercial 21700 cells",{"type":43,"value":14471}," (cycle ageing dataset and analysis). ",{"type":26,"tag":562,"props":14473,"children":14476},{"href":14474,"rel":14475},"https://www.sciencedirect.com/science/article/pii/S0378775324001368?.com",[566],[14477],{"type":43,"value":12879},{"type":26,"tag":39,"props":14479,"children":14480},{},[14481,14484,14486,14491,14493],{"type":26,"tag":12818,"props":14482,"children":14483},{"id":13790},[],{"type":43,"value":14485},"[9] FfE (2025). ",{"type":26,"tag":543,"props":14487,"children":14488},{},[14489],{"type":43,"value":14490},"Die Regelreservemärkte in Deutschland im Überblick",{"type":43,"value":14492}," (historical balancing prices/costs, market developments). ",{"type":26,"tag":562,"props":14494,"children":14497},{"href":14495,"rel":14496},"https://www.ffe.de/en/publications/die-regelreservemaerkte-in-deutschland-im-ueberblick/?.com",[566],[14498],{"type":43,"value":12836},{"type":26,"tag":39,"props":14500,"children":14501},{},[14502,14506,14508,14513,14515],{"type":26,"tag":12818,"props":14503,"children":14505},{"id":14504},"ref-10",[],{"type":43,"value":14507},"[10] Koubar, M. et al. (2025). ",{"type":26,"tag":543,"props":14509,"children":14510},{},[14511],{"type":43,"value":14512},"Techno-economical assessment of battery storage…",{"type":43,"value":14514}," (discussion of reduced FCR price levels as a profitability driver in recent years). ",{"type":26,"tag":562,"props":14516,"children":14519},{"href":14517,"rel":14518},"https://www.sciencedirect.com/science/article/pii/S0306261924025844?.com",[566],[14520],{"type":43,"value":12879},{"type":26,"tag":596,"props":14522,"children":14523},{"author":13841},[],{"type":26,"tag":600,"props":14525,"children":14526},{":blog":602,":type":603},[],{"type":26,"tag":606,"props":14528,"children":14529},{},[],{"type":26,"tag":610,"props":14531,"children":14532},{},[],{"type":26,"tag":614,"props":14534,"children":14535},{},[],{"title":7,"searchDepth":618,"depth":618,"links":14537},[14538,14539,14540,14541,14542,14543,14547,14548,14549,14550],{"id":12072,"depth":618,"text":12075},{"id":13909,"depth":618,"text":13912},{"id":13956,"depth":618,"text":13959},{"id":14060,"depth":618,"text":14063},{"id":14091,"depth":618,"text":14094},{"id":14107,"depth":618,"text":14110,"children":14544},[14545,14546],{"id":14113,"depth":621,"text":14116},{"id":14134,"depth":621,"text":14137},{"id":14172,"depth":618,"text":14175},{"id":14231,"depth":618,"text":14234},{"id":571,"depth":618,"text":574},{"id":12810,"depth":618,"text":12813},"content:blog:whitepapers:white-paper-pv-bess.md","blog/whitepapers/white-paper-pv-bess.md","blog/whitepapers/white-paper-pv-bess",{"loc":13837},[14556,14607,14790,14888,15084,15327,15415,15559,15628,15841,16017,16194,16310,16482,16576,16772,16998,17160,17416,17640,17785,17951],{"_path":14557,"_dir":14558,"_draft":6,"_partial":6,"_locale":7,"title":14559,"description":14560,"publishedAt":14561,"author":1609,"tags":14562,"image":14563,"readingTime":4220,"body":14564,"_type":629,"_id":14603,"_source":631,"_file":14604,"_stem":14605,"_extension":634,"sitemap":14606},"/blog/news/iso-certification","news","Re-Twin Energy Achieves ISO 27001 Certification and Confirms GDPR Compliance","Re-Twin Energy is officially ISO 27001 certified and GDPR compliant. As an analytics company, we have always held ourselves to high data handling standards, and we are proud to now make this official.","08-07-2026",[644],"/images/news/iso-certification/cover.png",{"type":23,"children":14565,"toc":14601},[14566,14571,14574,14579,14584,14589,14592,14595,14598],{"type":26,"tag":27,"props":14567,"children":14570},{":caption":11781,"alt":14568,"aspect":14569,"fit":31,"src":14563},"Re-Twin Energy ISO 27001 Certification","none",[],{"type":26,"tag":34,"props":14572,"children":14573},{":reading-time":1452,"author":1609,"date":14561,"title":14559},[],{"type":26,"tag":39,"props":14575,"children":14576},{},[14577],{"type":43,"value":14578},"Mayur Andulkar, Co-Founder and CEO of Re-Twin Energy, commented: \"This is a major milestone for Re-Twin, and the timing couldn't be better. It reinforces the trust our customers, partners, and investors have in us and our commitment to information security.\"",{"type":26,"tag":39,"props":14580,"children":14581},{},[14582],{"type":43,"value":14583},"The certification confirms that Re-Twin Energy's information security management system meets internationally recognized standards, reflecting the company's ongoing commitment to protecting customer, partner, and investor data across its analytics and digital twin platform.",{"type":26,"tag":39,"props":14585,"children":14586},{},[14587],{"type":43,"value":14588},"Questions about how we protect your data? We are happy to answer them.",{"type":26,"tag":600,"props":14590,"children":14591},{":blog":602,":type":1031,"blog":7},[],{"type":26,"tag":1034,"props":14593,"children":14594},{},[],{"type":26,"tag":610,"props":14596,"children":14597},{},[],{"type":26,"tag":614,"props":14599,"children":14600},{},[],{"title":7,"searchDepth":618,"depth":618,"links":14602},[],"content:blog:news:iso-certification.md","blog/news/iso-certification.md","blog/news/iso-certification",{"loc":14557},{"_path":14608,"_dir":14558,"_draft":6,"_partial":6,"_locale":7,"title":14609,"description":14610,"publishedAt":14611,"author":11,"tags":14612,"image":14613,"readingTime":4220,"body":14614,"_type":629,"_id":14786,"_source":631,"_file":14787,"_stem":14788,"_extension":634,"sitemap":14789},"/blog/news/launch-bess-products-with-trading-benchmark","The Mobility House Energy und Re-Twin Energy bringen erstes BESS-Vermarktungsprodukt mit integriertem, unabhängigem Trading-Benchmark auf den Markt","The Mobility House Energy und Re-Twin Energy schließen eine strategische Partnerschaft und bringen ein neues Vermarktungsprodukt auf den Markt. Für jeden von The Mobility House Energy vermarkteten Batteriespeicher erstellt Re-Twin einen individuellen digitalen Zwilling und berechnet täglich eine unabhängige Performance-Baseline. An dieser Baseline wird die reale Trading-Performance transparent gemessen.","06-22-2026",[644],"/images/news/launch-bess-products-with-trading-benchmark/cover.webp",{"type":23,"children":14615,"toc":14784},[14616,14620,14623,14631,14641,14646,14654,14659,14664,14669,14677,14682,14687,14695,14700,14705,14713,14756,14764,14769,14772,14775,14778,14781],{"type":26,"tag":27,"props":14617,"children":14619},{":caption":11781,"alt":14618,"aspect":14569,"fit":31,"src":14613},"Mobility House Energy & Re-Twin Energy Collaboration",[],{"type":26,"tag":34,"props":14621,"children":14622},{":reading-time":1452,"author":11,"date":14611,"title":14609},[],{"type":26,"tag":39,"props":14624,"children":14625},{},[14626],{"type":26,"tag":543,"props":14627,"children":14628},{},[14629],{"type":43,"value":14630},"Als erster BESS-Optimizer unterwirft sich The Mobility House Energy einem unabhängigen, assetspezifischen Benchmark. Täglich berechnet von einem Dritten ohne Handelsinteresse. Kein Portfolioindex, keine Eigenauskunft. Bankability ohne Verzicht auf Upside und die Lösung für das „Single Source of Truth\"-Problem im BESS-Trading.",{"type":26,"tag":39,"props":14632,"children":14633},{},[14634,14639],{"type":26,"tag":66,"props":14635,"children":14636},{},[14637],{"type":43,"value":14638},"Berlin/München, 22.06.2026",{"type":43,"value":14640}," The Mobility House Energy und Re-Twin Energy schließen eine strategische Partnerschaft und bringen ein neues Vermarktungsprodukt auf den Markt. Für jeden von The Mobility House Energy vermarkteten Batteriespeicher erstellt Re-Twin einen individuellen digitalen Zwilling und berechnet täglich eine unabhängige Performance-Baseline. An dieser Baseline wird die reale Trading-Performance transparent gemessen.",{"type":26,"tag":39,"props":14642,"children":14643},{},[14644],{"type":43,"value":14645},"Damit adressiert die Partnerschaft eines der meistgenannten Probleme der BESS-Branche: das Fehlen einer belastbaren, neutralen Referenz. In aktuellen Branchenbefragungen nennt rund die Hälfte der Betreiber das Fehlen einer einheitlichen „Source of Truth\" als zentrale operative Hürde. Gleiche Kennzahlen werden auf mehrere, vertraglich gleichermaßen zulässige Weisen berechnet. The Mobility House Energy ist der erste Optimizer, der dieses Problem nicht beschreibt, sondern es durch eine fest integrierte, unabhängige Messung auflöst.",{"type":26,"tag":39,"props":14647,"children":14648},{},[14649],{"type":26,"tag":66,"props":14650,"children":14651},{},[14652],{"type":43,"value":14653},"Eine Methodik. Vom Business Case bis zum täglichen Benchmark.",{"type":26,"tag":39,"props":14655,"children":14656},{},[14657],{"type":43,"value":14658},"Re-Twin erstellt für jedes einzelne Asset einen eigenen digitalen Zwilling mit den spezifischen technischen Parametern, realen Verfügbarkeiten, Warranty-Limits und Betriebsrestriktionen wie FCAs. Dieser Zwilling liefert in der Investitionsphase belastbare Business Cases und Long-Term Forecasts. Im Betrieb wird er zur täglichen Messlatte: Ein eigener Optimizer berechnet auf Basis realer Marktdaten, was das Asset über alle relevanten Märkte (Day-Ahead, Intraday, FCR, aFRR), unter Berücksichtigung genau seiner realen Restriktionen, hätte erlösen können.",{"type":26,"tag":39,"props":14660,"children":14661},{},[14662],{"type":43,"value":14663},"Kein generischer Portfolioindex. Keine Selbstauskunft des Optimizers. Eine assetspezifische Baseline, berechnet von einem unabhängigen Dritten, mit derselben transparenten und offen dokumentierten Methodik, die bereits den Business Case getragen hat. Nur ein unabhängiger Dritter ohne eigenes Handelsinteresse kann eine Baseline liefern, der Betreiber, Investoren und Banken gleichermaßen vertrauen können.",{"type":26,"tag":39,"props":14665,"children":14666},{},[14667],{"type":43,"value":14668},"Damit geht das Produkt über die heute übliche Praxis hinaus, bei der Vermarkter ihren Kunden lediglich den realisierten Gesamterlös als einzige Kennzahl ausweisen. Betreiber sehen künftig nicht nur, was erlöst wurde, sondern gegen welchen objektiven Maßstab diese Performance steht.",{"type":26,"tag":39,"props":14670,"children":14671},{},[14672],{"type":26,"tag":66,"props":14673,"children":14674},{},[14675],{"type":43,"value":14676},"Transparenz und De-Risking für Betreiber, Investoren und Banken",{"type":26,"tag":39,"props":14678,"children":14679},{},[14680],{"type":43,"value":14681},"Betreiber sehen täglich, wie die realen Vermarktungserlöse gegen die unabhängige Referenz abschneiden. In Verbindung mit performancebasierten Kompensationsmechanismen entsteht so eine belastbare Grundlage für Investoren und finanzierende Banken – die Absicherung, die Finanzierungspartner fordern, ohne den Upside zu kappen, den ein fester Erlösfloor typischerweise kostet.",{"type":26,"tag":39,"props":14683,"children":14684},{},[14685],{"type":43,"value":14686},"Das ist der entscheidende Unterschied zu garantiebasierten Modellen: Statt Bankability durch eine gedeckelte Festvergütung zu erkaufen, entsteht sie hier durch nachprüfbare Transparenz, bei vollem Zugang zum merchant Upside.",{"type":26,"tag":39,"props":14688,"children":14689},{},[14690],{"type":26,"tag":66,"props":14691,"children":14692},{},[14693],{"type":43,"value":14694},"Zitat",{"type":26,"tag":39,"props":14696,"children":14697},{},[14698],{"type":43,"value":14699},"„Wir zeigen täglich, was ein Speicher unter seinen realen Bedingungen wirklich hätte verdienen können. Nachgewiesen von einem unabhängigen Dritten. Das schafft das Vertrauen, das Projekte finanzierbar macht, ohne die Upside zu kappen\", sagt Marcus Fendt, Geschäftsführer von The Mobility House Energy. „Mit 10 Jahren Erfahrung in der BESS-Vermarktung und einem GW an operativen Portfolio in vier Ländern setzen wir damit einen neuen Standard für Bankability in der Branche.\"",{"type":26,"tag":39,"props":14701,"children":14702},{},[14703],{"type":43,"value":14704},"„Re-Twin erstellt für jedes Asset einen eigenen digitalen Zwilling. Wir vermarkten nicht, wir messen\", sagt Florian Heise, Mitgründer von Re-Twin Energy. „Die Methodik, die den Business Case trägt, läuft im Betrieb als unabhängiger Benchmark mit. Speicherprojekte werden damit planbar und finanzierbar.\"",{"type":26,"tag":39,"props":14706,"children":14707},{},[14708],{"type":26,"tag":66,"props":14709,"children":14710},{},[14711],{"type":43,"value":14712},"Auf einen Blick",{"type":26,"tag":143,"props":14714,"children":14715},{},[14716,14726,14736,14746],{"type":26,"tag":62,"props":14717,"children":14718},{},[14719,14724],{"type":26,"tag":66,"props":14720,"children":14721},{},[14722],{"type":43,"value":14723},"Individueller digitaler Zwilling",{"type":43,"value":14725}," für jedes einzelne Asset. Kein generischer Marktindex, keine Eigenauskunft des Vermarkters.",{"type":26,"tag":62,"props":14727,"children":14728},{},[14729,14734],{"type":26,"tag":66,"props":14730,"children":14731},{},[14732],{"type":43,"value":14733},"Unabhängiger Dritter ohne Handelsinteresse",{"type":43,"value":14735}," berechnet die Baseline. Kein struktureller Interessenkonflikt.",{"type":26,"tag":62,"props":14737,"children":14738},{},[14739,14744],{"type":26,"tag":66,"props":14740,"children":14741},{},[14742],{"type":43,"value":14743},"Tägliche Baseline",{"type":43,"value":14745}," über alle relevanten Märkte: Day-Ahead, Intraday, FCR, aFRR und unter realen Restriktionen (FCAs, Verfügbarkeiten, Warranty-Limits).",{"type":26,"tag":62,"props":14747,"children":14748},{},[14749,14754],{"type":26,"tag":66,"props":14750,"children":14751},{},[14752],{"type":43,"value":14753},"Eine Methodik",{"type":43,"value":14755}," vom Investment Case bis zum laufenden Betrieb. Kein Bruch zwischen Planung und Realität.",{"type":26,"tag":39,"props":14757,"children":14758},{},[14759],{"type":26,"tag":66,"props":14760,"children":14761},{},[14762],{"type":43,"value":14763},"Bankability ohne Upside-Verzicht",{"type":26,"tag":39,"props":14765,"children":14766},{},[14767],{"type":43,"value":14768},"für die transparenzbasierte Absicherung statt garantiebasierter Deckelung.",{"type":26,"tag":596,"props":14770,"children":14771},{"author":11},[],{"type":26,"tag":600,"props":14773,"children":14774},{":blog":602,":type":1031,"blog":7},[],{"type":26,"tag":1034,"props":14776,"children":14777},{},[],{"type":26,"tag":610,"props":14779,"children":14780},{},[],{"type":26,"tag":614,"props":14782,"children":14783},{},[],{"title":7,"searchDepth":618,"depth":618,"links":14785},[],"content:blog:news:launch-bess-products-with-trading-benchmark.md","blog/news/launch-bess-products-with-trading-benchmark.md","blog/news/launch-bess-products-with-trading-benchmark",{"loc":14608},{"_path":14791,"_dir":14558,"_draft":6,"_partial":6,"_locale":7,"title":14792,"description":14793,"publishedAt":14794,"author":1609,"tags":14795,"image":14796,"readingTime":14797,"body":14798,"_type":629,"_id":14884,"_source":631,"_file":14885,"_stem":14886,"_extension":634,"sitemap":14887},"/blog/news/collaboration-with-maon","Re-Twin accelerates European expansion through collaboration with Maon","Re-Twin Energy and Maon are extending their collaboration in the context of Re-Twin’s expansion across European electricity markets. The collaboration supports Re-Twin’s growth strategy and its efforts to scale its digital twin and asset optimization platform across increasingly complex and interconnected power systems in Europe.","06-02-2026",[644],"/images/news/collaboration-with-maon/cover.webp","2=3",{"type":23,"children":14799,"toc":14882},[14800,14804,14807,14821,14826,14831,14836,14841,14849,14854,14862,14867,14870,14873,14876,14879],{"type":26,"tag":27,"props":14801,"children":14803},{":caption":11781,"alt":14802,"aspect":14569,"fit":31,"src":14796},"Maon Collaboration",[],{"type":26,"tag":34,"props":14805,"children":14806},{":reading-time":1073,"author":1609,"date":14794,"title":14792},[],{"type":26,"tag":39,"props":14808,"children":14809},{},[14810,14812,14819],{"type":43,"value":14811},"Re-Twin Energy and ",{"type":26,"tag":562,"props":14813,"children":14816},{"href":14814,"rel":14815},"https://www.maon.eu/",[566],[14817],{"type":43,"value":14818},"Maon",{"type":43,"value":14820}," are extending their collaboration in the context of Re-Twin's expansion across European electricity markets. The collaboration supports Re-Twin's growth strategy and its efforts to scale its digital twin and asset optimization platform across increasingly complex and interconnected power systems in Europe.",{"type":26,"tag":39,"props":14822,"children":14823},{},[14824],{"type":43,"value":14825},"As Re-Twin expands its presence in European flexibility and storage markets, the need for structurally consistent and market-specific electricity market modeling becomes increasingly important. Through the collaboration, Maon provides a market simulation framework that enables Re-Twin to operate across different regulatory environments, pricing structures, and long-term energy transition pathways while maintaining consistency in scenario generation and investment analysis.",{"type":26,"tag":39,"props":14827,"children":14828},{},[14829],{"type":43,"value":14830},"This integration allows Re-Twin to focus on its core competency: delivering high-resolution asset intelligence for battery energy storage systems and hybrid systems. By combining advanced optimization capabilities with realistic market environments, Re-Twin enables investors, developers, and operators to understand asset performance under evolving European market conditions.",{"type":26,"tag":39,"props":14832,"children":14833},{},[14834],{"type":43,"value":14835},"Maon contributes to the underlying electricity market simulation layer used in Re-Twin’s analytics. Its system-level modeling capabilities support realistic representations of supply, demand, grid development, renewable integration, and long-term market dynamics, ensuring that analyses are grounded in consistent and structured assumptions.",{"type":26,"tag":39,"props":14837,"children":14838},{},[14839],{"type":43,"value":14840},"The collaboration establishes a scalable architecture in which Re-Twin serves as the primary platform for asset optimization and investment intelligence, while Maon enables the consistent simulation of the surrounding market environment. This structure is particularly relevant as European electricity markets continue to experience increasing volatility, cross-border interdependencies, and growing flexibility requirements driven by the energy transition.",{"type":26,"tag":39,"props":14842,"children":14843},{},[14844],{"type":26,"tag":66,"props":14845,"children":14846},{},[14847],{"type":43,"value":14848},"About Maon",{"type":26,"tag":39,"props":14850,"children":14851},{},[14852],{"type":43,"value":14853},"Maon is a specialized software company focused on the simulation of electricity wholesale markets. It develops a cloud-based, data-driven platform that enables comprehensive, explainable, and accurate electricity market simulations and forecasts. Its solutions are used by consultants, consumers, and grid, storage, and power plant operators to run and analyze simulations across Europe.",{"type":26,"tag":39,"props":14855,"children":14856},{},[14857],{"type":26,"tag":66,"props":14858,"children":14859},{},[14860],{"type":43,"value":14861},"About Re-Twin Energy",{"type":26,"tag":39,"props":14863,"children":14864},{},[14865],{"type":43,"value":14866},"Re-Twin is an AI and analytics company focused on digital twin solutions for energy storage and power markets. It provides an AI-driven cloud-based platform that simulates, forecasts, and optimizes the performance of battery energy storage systems. Its platform is used by project developers, asset owners, investors and consultants to improve trading strategies, assess risk, and maximize returns in renewable energy systems.",{"type":26,"tag":596,"props":14868,"children":14869},{"author":1609},[],{"type":26,"tag":600,"props":14871,"children":14872},{":blog":602,":type":1031,"blog":7},[],{"type":26,"tag":1034,"props":14874,"children":14875},{},[],{"type":26,"tag":610,"props":14877,"children":14878},{},[],{"type":26,"tag":614,"props":14880,"children":14881},{},[],{"title":7,"searchDepth":618,"depth":618,"links":14883},[],"content:blog:news:collaboration-with-maon.md","blog/news/collaboration-with-maon.md","blog/news/collaboration-with-maon",{"loc":14791},{"_path":14889,"_dir":14558,"_draft":6,"_partial":6,"_locale":7,"title":14890,"description":14891,"publishedAt":14892,"author":1609,"tags":14893,"image":14894,"readingTime":618,"body":14895,"_type":629,"_id":15080,"_source":631,"_file":15081,"_stem":15082,"_extension":634,"sitemap":15083},"/blog/news/new-forecasts-data","Forecast Data Update: New Versions + Intraday Quarter-Hourly Market Added","We’d like to inform you about an update to our forecast data and the addition of Intraday Quarter-Hourly (QH) as a market in the platform.","02-03-2026",[644],"/images/news/new-forecasts-data/cover.webp",{"type":23,"children":14896,"toc":15075},[14897,14901,14904,14916,14922,14934,14958,14963,14969,14980,15024,15030,15035,15060,15063,15066,15069,15072],{"type":26,"tag":27,"props":14898,"children":14900},{":caption":11781,"alt":14899,"aspect":14569,"fit":31,"src":14894},"Forecast Data Update",[],{"type":26,"tag":34,"props":14902,"children":14903},{":reading-time":1031,"author":1609,"date":14892,"title":14890},[],{"type":26,"tag":39,"props":14905,"children":14906},{},[14907,14909,14914],{"type":43,"value":14908},"We’d like to inform you about an update to our forecast data and the addition of ",{"type":26,"tag":66,"props":14910,"children":14911},{},[14912],{"type":43,"value":14913},"Intraday Quarter-Hourly (QH)",{"type":43,"value":14915}," as a market in the platform.",{"type":26,"tag":46,"props":14917,"children":14919},{"id":14918},"new-forecast-versions-available",[14920],{"type":43,"value":14921},"New forecast versions available",{"type":26,"tag":39,"props":14923,"children":14924},{},[14925,14927,14932],{"type":43,"value":14926},"Starting now, ",{"type":26,"tag":66,"props":14928,"children":14929},{},[14930],{"type":43,"value":14931},"new forecast versions",{"type":43,"value":14933}," are available in the platform.",{"type":26,"tag":39,"props":14935,"children":14936},{},[14937,14939,14944,14945,14949,14951,14956],{"type":43,"value":14938},"As usual, we update our forecasts together with our partners ",{"type":26,"tag":66,"props":14940,"children":14941},{},[14942],{"type":43,"value":14943},"MAON",{"type":43,"value":918},{"type":26,"tag":66,"props":14946,"children":14947},{},[14948],{"type":43,"value":12836},{"type":43,"value":14950}," on a ",{"type":26,"tag":66,"props":14952,"children":14953},{},[14954],{"type":43,"value":14955},"6-month cycle",{"type":43,"value":14957}," to reflect the latest market assumptions and data inputs.",{"type":26,"tag":39,"props":14959,"children":14960},{},[14961],{"type":43,"value":14962},"A first overview is shown in the screenshot below. 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