# Top 50 Energy Startups in Europe by Funding (2026)

> The 50 best-funded energy startups in Europe, ranked by total funding raised: $39B combined. With founding year, headquarters and each company's rounds.

Source: https://millionrounds.com/top-lists/energy-startups-europe (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Northvolt**](https://millionrounds.com/company/northvolt) *Founded* - Sweden **$5.0B** last round Oct 2024
- 2 [**VAROPreem** VAROPreem specializes in refining conventional fuels and producing renewable fuels for transport and industry.](https://millionrounds.com/company/varopreem) VAROPreem specializes in refining conventional fuels and producing renewable fuels for transport and industry. *Founded* 2012 Cham, Switzerland **$3.3B** last round Jul 2023
- 3 [**SSE**](https://millionrounds.com/company/sse) *Founded* 1998 Perth, United Kingdom **$2.7B** last round Jun 2026
- 4 [**COX Group** COX Group provides solutions for development and management of water resources as well as services for energy generation and transmission.](https://millionrounds.com/company/cox-group) COX Group provides solutions for development and management of water resources as well as services for energy generation and transmission. *Founded* - Seville, Spain **$2.6B** last round Jan 2026
- 5 [**Global Power Generation** Global Power Generation is an electricity energy generation business company.](https://millionrounds.com/company/global-power-generation) Global Power Generation is an electricity energy generation business company. *Founded* 2014 Canberra, Spain **$1.5B** last round Dec 2024
- 6 [**Technip Energies** Technip Energies is a engineering & technology company for the energy transition.](https://millionrounds.com/company/technip-energies) Technip Energies is a engineering & technology company for the energy transition. *Founded* 2021 Nanterre, France **$1.4B** last round Jun 2026
- 7 [**Return**](https://millionrounds.com/company/return) *Founded* - Netherlands **$1.3B** last round Nov 2026
- 8 [**Rolls-Royce SMR** Rolls-Royce SMR specializes in producing factory-built nuclear power plants and offers sustainable, low-cost energy solutions.](https://millionrounds.com/company/rolls-royce-smr) Rolls-Royce SMR specializes in producing factory-built nuclear power plants and offers sustainable, low-cost energy solutions. *Founded* 2021 Derby, United Kingdom **$1.2B** last round Apr 2026
- 9 [**Enpal** Enpal is a photovoltaics leasing firm that provides solar power systems for homeowners.](https://millionrounds.com/company/enpal) Enpal is a photovoltaics leasing firm that provides solar power systems for homeowners. *Founded* 2017 Berlin, Germany **$1.0B** last round Oct 2025
- 10 [**CuspAI** CuspAI is an innovative artificial intelligence company based in Cambridge, United Kingdom, with additional teams in Amsterdam and Berlin.](https://millionrounds.com/company/cuspai) CuspAI is an innovative artificial intelligence company based in Cambridge, United Kingdom, with additional teams in Amsterdam and Berlin. *Founded* 2024 Cambridge, United Kingdom **$950M** last round Jul 2026
- 11 [**Renewable Power Capital** Renewable Power Capital is a renewable energy investment platform that focuses on energy industries.](https://millionrounds.com/company/renewable-power-capital) Renewable Power Capital is a renewable energy investment platform that focuses on energy industries. *Founded* 2020 London, United Kingdom **$915M** last round Sept 2026
- 12 [**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
- 13 [**Ren-Gas** Ren-Gas is a clean energy production company that produces and distributes P2X gas fuel.](https://millionrounds.com/company/ren-gas) Ren-Gas is a clean energy production company that produces and distributes P2X gas fuel. *Founded* - Espoo, Finland **$791M** last round Sept 2026
- 14 [**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
- 15 [**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
- 16 [**Proxima Fusion** Proxima Fusion is a European fusion energy company based in Munich, Germany, founded in 2023 as the first spin-out from the Max Planck Institute for Plasma Physics.](https://millionrounds.com/company/proxima-fusion) Proxima Fusion is a European fusion energy company based in Munich, Germany, founded in 2023 as the first spin-out from the Max Planck Institute for Plasma Physics. *Founded* 2023 Munich, Germany **$636M** last round Jul 2026
- 17 [**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
- 18 [**3Sun** 3Sun is an energy management company that specializes in designing photovoltaic solutions for large-scale industries and roof application.](https://millionrounds.com/company/3sun) 3Sun is an energy management company that specializes in designing photovoltaic solutions for large-scale industries and roof application. *Founded* 2010 Catania, Italy **$608M** last round Jan 2024
- 19 [**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
- 20 [**1KOMMA5°** 1Komma5° is an electricity company offering free electricity to all electric vehicle owners financed through trading using GHG quotas.](https://millionrounds.com/company/1komma5) 1Komma5° is an electricity company offering free electricity to all electric vehicle owners financed through trading using GHG quotas. *Founded* 2021 Hamburg, Germany **$563M** last round Oct 2026
- 21 [**Eastern European Electric Company** The Eastern European Electric Company B.V.](https://millionrounds.com/company/eastern-european-electric-company) The Eastern European Electric Company B.V. *Founded* - Amsterdam, Netherlands **$560M** last round May 2025
- 22 [**Ilmatar** Ilmatar is a project-oriented integrator in the field of renewable energy production.](https://millionrounds.com/company/ilmatar) Ilmatar is a project-oriented integrator in the field of renewable energy production. *Founded* 2011 Helsinki, Finland **$544M** last round Nov 2023
- 23 [**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
- 24 [**PowerCo** PowerCo's development is the next phase in expanding the global battery business.](https://millionrounds.com/company/powerco) PowerCo's development is the next phase in expanding the global battery business. *Founded* 2022 Salzgitter, Germany **$513M** last round Apr 2023
- 25 [**Agratas** Agrata's aim is to build world-class teams and provide best-in-class technologies.](https://millionrounds.com/company/agratas) Agrata's aim is to build world-class teams and provide best-in-class technologies. *Founded* - London, United Kingdom **$509M** last round Apr 2026
- 26 [**Siccar Point Energy** Siccar Point Energy provides oil and gas exploration, development, and production.](https://millionrounds.com/company/siccar-point-energy) Siccar Point Energy provides oil and gas exploration, development, and production. *Founded* 2014 United Kingdom **$500M** last round Sept 2014
- 27 [**Vianode** Vianode is a producer of sustainably engineered battery materials.](https://millionrounds.com/company/vianode) Vianode is a producer of sustainably engineered battery materials. *Founded* 2020 Oslo, Norway **$475M** last round Nov 2025
- 28 [**British Solar Renewables** British Solar Renewables specializes in planning, designing, developing and maintaining renewable projects.](https://millionrounds.com/company/british-solar-renewables) British Solar Renewables specializes in planning, designing, developing and maintaining renewable projects. *Founded* 2010 Shepton Mallet, United Kingdom **$474M** last round Jun 2025
- 29 [**Octopus Renewables Infrastructure Trust** Octopus Renewables Infrastructure Trust is a closed end investment company incorporated in England and Wales.](https://millionrounds.com/company/octopus-renewables-infrastructure-trust) Octopus Renewables Infrastructure Trust is a closed end investment company incorporated in England and Wales. *Founded* 2019 London, United Kingdom **$431M** last round Feb 2025
- 30 [**Zenobē**](https://millionrounds.com/company/zenobe) *Founded* - United Kingdom **$382M** last round Jul 2025
- 31 [**Power Capital Renewable Energy** Power Capital Renewable Energy is a solar development company.](https://millionrounds.com/company/power-capital-renewable-energy) Power Capital Renewable Energy is a solar development company. *Founded* 2011 Dublin, Ireland **$379M** last round Sept 2025
- 32 [**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
- 33 [**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
- 34 [**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
- 35 [**Pulse Clean Energy** Pulse Clean Energy builds and operates power stations.](https://millionrounds.com/company/pulse-clean-energy) Pulse Clean Energy builds and operates power stations. *Founded* 2022 Birmingham, United Kingdom **$364M** last round Apr 2026
- 36 [**Atrato Onsite Energy** Atrato Onsite Energy is a commercial rooftop solar funder.](https://millionrounds.com/company/atrato-onsite-energy) Atrato Onsite Energy is a commercial rooftop solar funder. *Founded* - London, United Kingdom **$327M** last round Apr 2025
- 37 [**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
- 38 [**Statera Energy** Statera Energy is a company that generates, transmissions, and distributes electric energy.](https://millionrounds.com/company/statera-energy) Statera Energy is a company that generates, transmissions, and distributes electric energy. *Founded* 2015 London, United Kingdom **$307M** last round Nov 2025
- 39 [**Sunfire** Sunfire GmbH is an industrial electrolysis company based in Dresden, Germany, founded in 2010 by Nils Aldag.](https://millionrounds.com/company/sunfire) Sunfire GmbH is an industrial electrolysis company based in Dresden, Germany, founded in 2010 by Nils Aldag. *Founded* 2010 Dresden, Germany **$281M** last round Mar 2024
- 40 [**Focused Energy** Focused Energy is a German-American deep-tech startup founded in 2021, specializing in laser-driven inertial confinement fusion (ICF).](https://millionrounds.com/company/focused-energy) Focused Energy is a German-American deep-tech startup founded in 2021, specializing in laser-driven inertial confinement fusion (ICF). *Founded* 2021 Darmstadt, Germany **$280M** last round Jun 2026
- 41 [**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
- 42 [**terralayr**](https://millionrounds.com/company/terralayr) *Founded* - Switzerland **$257M** last round Jan 2026
- 43 [**Seven Energy** Seven Energy is an indigenous Nigerian oil and gas exploration, development, production and distribution company.](https://millionrounds.com/company/seven-energy) Seven Energy is an indigenous Nigerian oil and gas exploration, development, production and distribution company. *Founded* 2004 Lagos, United Kingdom **$255M** last round Apr 2014
- 44 [**HoloSolis** Holosolis contributes to the EU’s goal of local PV module production and curbing global warming.](https://millionrounds.com/company/holosolis) Holosolis contributes to the EU’s goal of local PV module production and curbing global warming. *Founded* 2023 Paris, France **$255M** last round Nov 2025
- 45 [**Renalfa IPP** Renalfa IPP is an independent electricity producer and developer.](https://millionrounds.com/company/renalfa-ipp) Renalfa IPP is an independent electricity producer and developer. *Founded* - Vienna, Austria **$247M** last round Apr 2026
- 46 [**Reverion** Reverion produces highly efficient, reversible, carbon-negative power plants.](https://millionrounds.com/company/reverion) Reverion produces highly efficient, reversible, carbon-negative power plants. *Founded* 2022 Germany **$237M** last round Sept 2026
- 47 [**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
- 48 [**AMPYR Solar Europe** AMPYR Solar Europe is an Independent electricity generator and solar development.](https://millionrounds.com/company/ampyr-solar-europe) AMPYR Solar Europe is an Independent electricity generator and solar development. *Founded* 2020 London, United Kingdom **$214M** last round Jun 2023
- 49 [**City Green Light** City Green Light is a lighting system operator that offers mobility, renewable energy, public lighting, and facility management services.](https://millionrounds.com/company/city-green-light) City Green Light is a lighting system operator that offers mobility, renewable energy, public lighting, and facility management services. *Founded* 2012 Vicenza, Italy **$213M** last round Sept 2023
- 50 [**Amarenco** Amarenco is a solar PV investment company that builds and operates large and medium-scale solar projects.](https://millionrounds.com/company/amarenco) Amarenco is a solar PV investment company that builds and operates large and medium-scale solar projects. *Founded* 2013 Cork, Ireland **$212M** last round Apr 2025

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose funding rounds we classed as this sector, 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 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 lists

[See all](https://millionrounds.com/top-lists?t=Energy)

[*CE* *C* *SE* **Energy startups worldwide** 1,800 companies · $129B](https://millionrounds.com/top-lists/energy-startups)[*CE* *C* *SE* **Energy startups in the United States** 741 companies · $110B](https://millionrounds.com/top-lists/energy-startups-united-states)[*C* *ME* *W* **Energy startups that raised in 2026** 429 companies · $73B in 2026](https://millionrounds.com/top-lists/energy-startups-raised-2026)[*S* *RS* *C* **Energy startups in the United Kingdom** 206 companies · $15B](https://millionrounds.com/top-lists/energy-startups-united-kingdom)[*C* *ME* *W* **Energy startups in the United States that raised in 2026** 194 companies · $63B in 2026](https://millionrounds.com/top-lists/energy-startups-united-states-raised-2026)[*AE* *TE* *RS* **Energy startups founded in 2021** 111 companies · $8.5B](https://millionrounds.com/top-lists/energy-startups-founded-2021)[*V* *UC* *E* **Energy startups founded in 2020** 105 companies · $15B](https://millionrounds.com/top-lists/energy-startups-founded-2020)[*AP* *CP* *CM* **Energy startups in Canada** 103 companies · $6.1B](https://millionrounds.com/top-lists/energy-startups-canada)

## 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)