# Top 50 Energy Storage Startups in Europe by Funding (2026) > The 50 best-funded energy storage startups in Europe, ranked by total funding raised: $9.5B combined. Source: https://millionrounds.com/top-lists/energy-storage-startups-europe (Millionrounds; every figure on the page links to its filing or article) - 1 [**Matrix Renewables** Matrix Renewables is a renewable energy platform for renewable energy projects and storage across Europe, US, and Latin America.](https://millionrounds.com/company/matrix-renewables) Matrix Renewables is a renewable energy platform for renewable energy projects and storage across Europe, US, and Latin America. *Founded* 2020 Madrid, Spain **$1.0B** last round Jun 2026 - 2 [**Fidra Energy** Fidra Energy is a battery energy storage firm/business that aims to aid decarbonization for electrical system.](https://millionrounds.com/company/fidra-energy) Fidra Energy is a battery energy storage firm/business that aims to aid decarbonization for electrical system. *Founded* 2024 Edinburgh, United Kingdom **$804M** last round Sept 2025 - 3 [**Rezolv Energy** Rezolv Energy is an independent power producer and renewable energy developer based in Prague, Czech Republic.](https://millionrounds.com/company/rezolv-energy) Rezolv Energy is an independent power producer and renewable energy developer based in Prague, Czech Republic. *Founded* 2022 Prague, Romania **$763M** last round Nov 2026 - 4 [**Eelpower** Eelpower is a battery storage developer that operates energy storage solutions.](https://millionrounds.com/company/eelpower) Eelpower is a battery storage developer that operates energy storage solutions. *Founded* 2017 London, United Kingdom **$682M** last round Aug 2025 - 5 [**GIGA Storage** GIGA Storage develops large-scale sustainable energy storage systems.](https://millionrounds.com/company/giga-storage) GIGA Storage develops large-scale sustainable energy storage systems. *Founded* 2018 Amstelveen, Netherlands **$634M** last round Oct 2026 - 6 [**Elvy** Elvy is a Stockholm-based energytech startup founded in 2023, specializing in AI-optimized, subscription-based home energy systems.](https://millionrounds.com/company/elvy) Elvy is a Stockholm-based energytech startup founded in 2023, specializing in AI-optimized, subscription-based home energy systems. *Founded* 2023 Stockholm, Sweden **$595M** last round Oct 2026 - 7 [**Zenobe Energy** Zenobe Energy manufactures battery storage assets for electric bus operators, utilities, and industrial and commercial businesses.](https://millionrounds.com/company/zenobe-energy) Zenobe Energy manufactures battery storage assets for electric bus operators, utilities, and industrial and commercial businesses. *Founded* 2016 London, United Kingdom **$515M** last round Jun 2026 - 8 [**Infinity Power** Infinity Power is a renewable energy company that offers solar, battery storage, and grid infrastructure solutions.](https://millionrounds.com/company/infinity-power) Infinity Power is a renewable energy company that offers solar, battery storage, and grid infrastructure solutions. *Founded* 2006 Amsterdam, Netherlands **$372M** last round Nov 2025 - 9 [**Renalfa** Renalfa is a clean energy investment group with focus in renewable energy and e-mobility.](https://millionrounds.com/company/renalfa) Renalfa is a clean energy investment group with focus in renewable energy and e-mobility. *Founded* - Sofia, Bulgaria **$370M** last round Jul 2025 - 10 [**Lion Storage** Lion Storage is an expert in creating battery energy storage solutions for utilities.](https://millionrounds.com/company/lion-storage) Lion Storage is an expert in creating battery energy storage solutions for utilities. *Founded* - Den Haag, Netherlands **$365M** last round Feb 2025 - 11 [**Gore Street Energy Storage Fund** Gore Street Energy Storage Fund is an entity authorised and regulated by the Financial Conduct Authority that provides investment services.](https://millionrounds.com/company/gore-street-energy-storage-fund) Gore Street Energy Storage Fund is an entity authorised and regulated by the Financial Conduct Authority that provides investment services. *Founded* - London, United Kingdom **$324M** last round Nov 2024 - 12 [**Cero Generation** Cero Generation is a solar energy company that develops solar energy and energy storage solutions.](https://millionrounds.com/company/cero-generation) Cero Generation is a solar energy company that develops solar energy and energy storage solutions. *Founded* 2021 London, United Kingdom **$312M** last round Jul 2025 - 13 [**ABO Energy** ABO Energy develops wind and solar energy projects, battery storage, and green hydrogen systems.](https://millionrounds.com/company/abo-energy) ABO Energy develops wind and solar energy projects, battery storage, and green hydrogen systems. *Founded* - Wiesbaden, Germany **$279M** last round Aug 2025 - 14 [**Skeleton Technologies** Skeleton Technologies is a global leader in cleantech and the largest manufacturer of advanced energy storage solutions, focusing on ultracapacitors and high-po](https://millionrounds.com/company/skeleton-technologies) Skeleton Technologies is a global leader in cleantech and the largest manufacturer of advanced energy storage solutions, focusing on ultracapacitors and high-po *Founded* 2009 Tallinn, Estonia **$274M** last round Oct 2026 - 15 [**Constantine Energy Storage** Constantine Energy Storage is an energy storage company that provides energy management and renewable energy services.](https://millionrounds.com/company/constantine-energy-storage) Constantine Energy Storage is an energy storage company that provides energy management and renewable energy services. *Founded* 2021 Godalming, United Kingdom **$234M** last round Mar 2025 - 16 [**Flexion Energy** Flexion Energy is a modern utility and energy storage infrastructure specialist, which is bridging the gap between development and finance.](https://millionrounds.com/company/flexion-energy) Flexion Energy is a modern utility and energy storage infrastructure specialist, which is bridging the gap between development and finance. *Founded* 2014 London, United Kingdom **$207M** last round Jul 2021 - 17 [**Highview Power** Highview Power is a renewable energy company that develops liquid-air energy storage solutions for grid applications.](https://millionrounds.com/company/highview-power) Highview Power is a renewable energy company that develops liquid-air energy storage solutions for grid applications. *Founded* 2005 London, United Kingdom **$171M** last round Nov 2025 - 18 [**sonnen** Sonnen is a pioneer for intelligent lithium based energy storage.](https://millionrounds.com/company/sonnen) Sonnen is a pioneer for intelligent lithium based energy storage. *Founded* 2010 Wildpoldsried, Germany **$155M** last round May 2018 - 19 [**Nyobolt** Nyobolt is an energy storage technology company based in Cambridge, UK, founded in 2019.](https://millionrounds.com/company/nyobolt) Nyobolt is an energy storage technology company based in Cambridge, UK, founded in 2019. *Founded* 2019 Impington, United Kingdom **$155M** last round Aug 2026 - 20 [**Energy Vault** Energy Vault offers a utility-scale, gravity-based storage solution for renewable energy.](https://millionrounds.com/company/energy-vault) Energy Vault offers a utility-scale, gravity-based storage solution for renewable energy. *Founded* 2018 Lugano, Switzerland **$150M** last round Sept 2026 - 21 [**Gaelectric** Gaelectric is a renewable energy development and operations company focusing on the wind energy and energy storage sectors.](https://millionrounds.com/company/gaelectric) Gaelectric is a renewable energy development and operations company focusing on the wind energy and energy storage sectors. *Founded* 2004 Ireland **$116M** last round Nov 2013 - 22 [**Baltic Storage Platform** Baltic Storage Platform is a cutting-edge battery park comple designed to enhance energy independence and stabilize the power grid.](https://millionrounds.com/company/baltic-storage-platform) Baltic Storage Platform is a cutting-edge battery park comple designed to enhance energy independence and stabilize the power grid. *Founded* - Valjala, Estonia **$99M** last round Oct 2025 - 23 [**Sigma Lithium** Sigma Lithium Ltd is a private technology company based in Abingdon, Oxford, England, founded in 2015.](https://millionrounds.com/company/sigma-lithium) Sigma Lithium Ltd is a private technology company based in Abingdon, Oxford, England, founded in 2015. *Founded* 2015 Abingdon, United Kingdom **$87M** last round Jul 2025 - 24 [**Varco Energy** Varco Energy is a battery storage asset owner and operator.](https://millionrounds.com/company/varco-energy) Varco Energy is a battery storage asset owner and operator. *Founded* 2021 London, United Kingdom **$75M** last round Sept 2023 - 25 [**Eku Energy** Eku Energy is a globally diversified and technology enabled energy storage business.](https://millionrounds.com/company/eku-energy) Eku Energy is a globally diversified and technology enabled energy storage business. *Founded* 2022 London, United Kingdom **$60M** last round May 2025 - 26 [**ZE Energy** ZE Energy is a Paris-based independent renewable energy producer founded in 2019.](https://millionrounds.com/company/ze-energy) ZE Energy is a Paris-based independent renewable energy producer founded in 2019. *Founded* 2019 Paris, France **$59M** last round Nov 2024 - 27 [**Modo Energy** Modo Energy is an energy asset analysis platform that provides users with data, research, and benchmarking tools for energy storage.](https://millionrounds.com/company/modo-energy) Modo Energy is an energy asset analysis platform that provides users with data, research, and benchmarking tools for energy storage. *Founded* 2019 London, United Kingdom **$50M** last round Jul 2026 - 28 [**Atlante** Atlante is a developer of an electric vehicle charging network that is 100% grid-integrated and powered by renewables and energy storage.](https://millionrounds.com/company/atlante) Atlante is a developer of an electric vehicle charging network that is 100% grid-integrated and powered by renewables and energy storage. *Founded* 2021 Milano, Italy **$50M** last round Sept 2023 - 29 [**Tavion** Tavion is a developer of battery energy storage systems (BESS) focused on enhancing Europe’s renewable energy transition.](https://millionrounds.com/company/tavion) Tavion is a developer of battery energy storage systems (BESS) focused on enhancing Europe’s renewable energy transition. *Founded* - Stockholm, Sweden **$47M** last round Sept 2026 - 30 [**Ore Energy** Ore Energy is a Dutch climate technology startup founded in 2022 and spun out of TU Delft in 2023.](https://millionrounds.com/company/ore-energy) Ore Energy is a Dutch climate technology startup founded in 2022 and spun out of TU Delft in 2023. *Founded* 2023 Amsterdam, Netherlands **$43M** last round Aug 2026 - 31 [**Bnewable** Bnewable is an independent energy company based in Mechelen, Belgium, founded in 2022 by Christophe Degrez and Kristof Vereenooghe.](https://millionrounds.com/company/bnewable) Bnewable is an independent energy company based in Mechelen, Belgium, founded in 2022 by Christophe Degrez and Kristof Vereenooghe. *Founded* 2022 Belgium **$42M** last round Dec 2024 - 32 [**Africa Ren** Africa Ren is a renewable energy company that specializes in solar power plants, storage, and lighting services.](https://millionrounds.com/company/africa-ren) Africa Ren is a renewable energy company that specializes in solar power plants, storage, and lighting services. *Founded* - Paris, France **$35M** last round Jun 2023 - 33 [**VoltStorage** VoltStorage develops and produces solar energy storage systems based on the eco-friendly Redox Flow Battery technology.](https://millionrounds.com/company/voltstorage) VoltStorage develops and produces solar energy storage systems based on the eco-friendly Redox Flow Battery technology. *Founded* 2016 Munich, Germany **$33M** last round Jul 2023 - 34 [**Elestor** Cutting the cost of electricity storage is their mission.](https://millionrounds.com/company/elestor) Cutting the cost of electricity storage is their mission. *Founded* 2014 Netherlands **$30M** last round Aug 2022 - 35 [**Solus Power** Solus Power is a UK-based energy technology company founded in 2020, specializing in mobile and deployable energy storage systems.](https://millionrounds.com/company/solus-power) Solus Power is a UK-based energy technology company founded in 2020, specializing in mobile and deployable energy storage systems. *Founded* 2020 Victoria Bridge, United Kingdom **$28M** last round Jun 2024 - 36 [**Unbound Potential** Unbound Potential develops and provides large-scale energy storage systems for various applications.](https://millionrounds.com/company/unbound-potential) Unbound Potential develops and provides large-scale energy storage systems for various applications. *Founded* - Thalwil, Switzerland **$26M** last round Oct 2025 - 37 [**Decade Energy** Decade Energy develops energy storage, charging, and software solutions that secures power for electric fleets at the lowest possible cost.](https://millionrounds.com/company/decade-energy) Decade Energy develops energy storage, charging, and software solutions that secures power for electric fleets at the lowest possible cost. *Founded* 2024 Paris, France **$26M** last round Apr 2026 - 38 [**BeDimensional** BeDimensional is a global manufacturer of graphene and other two-dimensional materials with few atomic layers.](https://millionrounds.com/company/bedimensional) BeDimensional is a global manufacturer of graphene and other two-dimensional materials with few atomic layers. *Founded* 2016 Genoa, Italy **$25M** last round Feb 2026 - 39 [**H55** H55 is a Swiss aerospace company founded in 2017, focused on developing and certifying electric propulsion systems and energy storage solutions for the aviation industry.](https://millionrounds.com/company/h55) H55 is a Swiss aerospace company founded in 2017, focused on developing and certifying electric propulsion systems and energy storage solutions for the aviation industry. *Founded* 2017 Sion, Switzerland **$23M** last round Jul 2024 - 40 [**Pexapark** Pexapark is a leading price intelligence platform and enterprise software provider focused on clean energy, particularly in Power Purchase Agreements (PPAs) for](https://millionrounds.com/company/pexapark) Pexapark is a leading price intelligence platform and enterprise software provider focused on clean energy, particularly in Power Purchase Agreements (PPAs) for *Founded* 2017 Schlieren, Switzerland **$21M** last round Sept 2023 - 41 [**EPYR** Industrial heat represents 25% of global energy consumption and remains one of the hardest sectors to decarbonize, with 80% still reliant on fossil fuels.](https://millionrounds.com/company/epyr) Industrial heat represents 25% of global energy consumption and remains one of the hardest sectors to decarbonize, with 80% still reliant on fossil fuels. *Founded* - Paris, France **$20M** last round Oct 2026 - 42 [**UP Catalyst** UP Catalyst produces sustainable carbon nanomaterials and graphite for the green energy storage industry.](https://millionrounds.com/company/up-catalyst) UP Catalyst produces sustainable carbon nanomaterials and graphite for the green energy storage industry. *Founded* 2019 Tallinn, Estonia **$20M** last round Apr 2026 - 43 [**Connected Energy** Connected Energy is a UK-based leader in second-life electric vehicle (EV) battery energy storage systems, founded in 2010.](https://millionrounds.com/company/connected-energy) Connected Energy is a UK-based leader in second-life electric vehicle (EV) battery energy storage systems, founded in 2010. *Founded* 2010 Newcastle upon Tyne, United Kingdom **$18M** last round Jun 2022 - 44 [**Gridcog** Gridcog is a B2B SaaS energy technology company based in London, United Kingdom, founded in 2020.](https://millionrounds.com/company/gridcog) Gridcog is a B2B SaaS energy technology company based in London, United Kingdom, founded in 2020. *Founded* 2020 London, United Kingdom **$18M** last round Jul 2026 - 45 [**Photoncycle** Photoncycle is a renewable energy technology company based in Oslo Science Park, Norway.](https://millionrounds.com/company/photoncycle) Photoncycle is a renewable energy technology company based in Oslo Science Park, Norway. *Founded* 2020 Oslo, Norway **$17M** last round Mar 2026 - 46 [**Capalo AI** Capalo AI is a Finnish sustainable technology company founded in 2022, specializing in energy storage and productivity software.](https://millionrounds.com/company/capalo-ai) Capalo AI is a Finnish sustainable technology company founded in 2022, specializing in energy storage and productivity software. *Founded* 2022 Helsinki, Finland **$17M** last round Feb 2026 - 47 [**Stabl Energy** STABL Energy is a German renewable energy company based in Munich, founded in 2019.](https://millionrounds.com/company/stabl-energy) STABL Energy is a German renewable energy company based in Munich, founded in 2019. *Founded* 2019 Munich, Germany **$17M** last round Aug 2023 - 48 [**theion** theion GmbH is a Berlin-based deep-tech startup founded in 2020, specializing in sustainable battery technology.](https://millionrounds.com/company/theion) theion GmbH is a Berlin-based deep-tech startup founded in 2020, specializing in sustainable battery technology. *Founded* 2020 Berlin, Germany **$16M** last round Mar 2025 - 49 [**Green Voltis** We help energy companies get more from their batteries.](https://millionrounds.com/company/green-voltis) We help energy companies get more from their batteries. *Founded* 2024 Stockholm, Sweden **$15M** last round Nov 2026 - 50 [**Libattion** Libattion AG is a Zurich-based company that specializes in modular, high-performance battery energy storage systems (BESS) for commercial, industrial, and utili](https://millionrounds.com/company/libattion) Libattion AG is a Zurich-based company that specializes in modular, high-performance battery energy storage systems (BESS) for commercial, industrial, and utili *Founded* 2019 Maur, Switzerland **$15M** last round Jun 2024 **Total funding** how the list is ranked **15 November 2026** updated nightly **Rounds we track** source: Millionrounds Companies whose own description names this theme, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list. ## Who backed them? Open any company for its rounds and investors, or search the investors who back energy storage startups in Europe in the app, with filters, lists and exports. [Find their investors](https://millionrounds.com/login?join=1&next=/app/investors)[All top lists](https://millionrounds.com/top-lists) ## More energy storage lists [See all](https://millionrounds.com/top-lists?t=Energy%20storage) [*C* *AE* *MR* **Energy storage startups worldwide** 320 companies · $23B](https://millionrounds.com/top-lists/energy-storage-startups) ## More lists for Europe [See all](https://millionrounds.com/top-lists?r=Europe) [*IL* *O* *NH* **Health startups in Europe** 3,025 companies · $29B](https://millionrounds.com/top-lists/health-startups-europe)[*IL* *NH* *CS* **Biotech startups in Europe** 1,665 companies · $22B](https://millionrounds.com/top-lists/biotech-startups-europe)[*MA* *N* *NG* **Big data startups in Europe** 964 companies · $31B](https://millionrounds.com/top-lists/big-data-startups-europe)[*V* *S* *CG* **Energy providers startups in Europe** 953 companies · $41B](https://millionrounds.com/top-lists/energy-providers-startups-europe)[*S* *EP* *S* **Climate tech startups in Europe** 756 companies · $25B](https://millionrounds.com/top-lists/climate-tech-startups-europe)[*S* *K* *FC* **Fintech startups in Europe** 749 companies · $30B](https://millionrounds.com/top-lists/fintech-startups-europe)[*A* *CI* *Y* **Customer service startups in Europe** 720 companies · $13B](https://millionrounds.com/top-lists/customer-service-startups-europe)[*N* *W* *T* **Transport startups in Europe** 697 companies · $28B](https://millionrounds.com/top-lists/transport-startups-europe)