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

> The 50 best-funded renewable energy startups in Europe, ranked by total funding raised: $20B combined.

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

- 1 [**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
- 2 [**Gren** GREN is a clothing company that minimizes and recycles waste, invests in renewable energy, and offsets unavoidable emissions.](https://millionrounds.com/company/gren) GREN is a clothing company that minimizes and recycles waste, invests in renewable energy, and offsets unavoidable emissions. *Founded* 2021 Tartu, Estonia **$1.3B** last round May 2026
- 3 [**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
- 4 [**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
- 5 [**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
- 6 [**BNZ energy** BNZ, an independent power producer (IPP), plans, installs, and runs solar photovoltaic projects.](https://millionrounds.com/company/bnz-energy) BNZ, an independent power producer (IPP), plans, installs, and runs solar photovoltaic projects. *Founded* 2020 Madrid, Spain **$740M** last round Oct 2024
- 7 [**Low Carbon** Low Carbon develops, owns, and operates renewable energy projects to fight climate change, aiming for a net-zero future.](https://millionrounds.com/company/low-carbon) Low Carbon develops, owns, and operates renewable energy projects to fight climate change, aiming for a net-zero future. *Founded* 2011 London, United Kingdom **$683M** last round Jan 2026
- 8 [**Octopus Energy Group** Octopus Energy Group is an England-based holding company that operates businesses in areas such as energy generation and electric vehicle sales.](https://millionrounds.com/company/octopus-energy-group) Octopus Energy Group is an England-based holding company that operates businesses in areas such as energy generation and electric vehicle sales. *Founded* 2016 London, United Kingdom **$681M** last round Dec 2025
- 9 [**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
- 10 [**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
- 11 [**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
- 12 [**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
- 13 [**Enery** Enery is a renewable energy company that develops and constructs solar energy plants for communities, businesses, and power networks.](https://millionrounds.com/company/enery) Enery is a renewable energy company that develops and constructs solar energy plants for communities, businesses, and power networks. *Founded* 2019 Vienna, Austria **$538M** last round Mar 2026
- 14 [**ILOS Projects** ILOS Projects is a Independent Power Producer.](https://millionrounds.com/company/ilos-projects) ILOS Projects is a Independent Power Producer. *Founded* 2018 Karlsruhe, Germany **$530M** last round Apr 2026
- 15 [**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
- 16 [**Bruc Management** Bruc Management is an investment fund manager that specializes in the renewable energy infrastructure sector.](https://millionrounds.com/company/bruc-management) Bruc Management is an investment fund manager that specializes in the renewable energy infrastructure sector. *Founded* 2015 Madrid, Spain **$431M** last round May 2026
- 17 [**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
- 18 [**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
- 19 [**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
- 20 [**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
- 21 [**Zelestra** At Zelestra, we are on a mission to change the world by making decarbonization a reality for our partners.](https://millionrounds.com/company/zelestra) At Zelestra, we are on a mission to change the world by making decarbonization a reality for our partners. *Founded* 2005 Spain, Spain **$350M** last round Oct 2026
- 22 [**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
- 23 [**AMPYR Distributed Energy** AMPYR Distributed Energy designs, constructs, owns, and operates sustainable energy technology.](https://millionrounds.com/company/ampyr-distributed-energy) AMPYR Distributed Energy designs, constructs, owns, and operates sustainable energy technology. *Founded* - London, United Kingdom **$229M** last round May 2025
- 24 [**Sunwafe** Sunwafe is a European renewable energy company focused on manufacturing silicon ingots and wafers for photovoltaic applications.](https://millionrounds.com/company/sunwafe) Sunwafe is a European renewable energy company focused on manufacturing silicon ingots and wafers for photovoltaic applications. *Founded* 2024 Gijón, Spain **$216M** last round Mar 2025
- 25 [**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
- 26 [**Enviria** ENVIRIA is a prominent German renewable energy company based in Frankfurt, specializing in decentralized, solar-centric energy solutions for commercial and indu](https://millionrounds.com/company/enviria) ENVIRIA is a prominent German renewable energy company based in Frankfurt, specializing in decentralized, solar-centric energy solutions for commercial and indu *Founded* 2017 Frankfurt, Germany **$200M** last round Feb 2024
- 27 [**DRI Energy** DRI Energy is a renewable energy company committed to energy transition.](https://millionrounds.com/company/dri-energy) DRI Energy is a renewable energy company committed to energy transition. *Founded* - Amsterdam, Netherlands **$200M** last round May 2026
- 28 [**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
- 29 [**Ampergia** Ampergia Limited is a UK-based renewable energy company founded in 2021 by Sandip Sali.](https://millionrounds.com/company/ampergia) Ampergia Limited is a UK-based renewable energy company founded in 2021 by Sandip Sali. *Founded* 2021 Milton Keynes, United Kingdom **$168M** last round Jan 2022
- 30 [**Sunsave** Sunsave Group Ltd, also known as Sunsave Energy Limited, is a London-based renewable energy technology company founded in 2022 by Alick Dru and Ben Graves.](https://millionrounds.com/company/sunsave) Sunsave Group Ltd, also known as Sunsave Energy Limited, is a London-based renewable energy technology company founded in 2022 by Alick Dru and Ben Graves. *Founded* 2022 London, United Kingdom **$166M** last round Jul 2026
- 31 [**Mainstream Renewable Power** Mainstream Renewable Energy provides project design and management services for renewable and alternative energies.](https://millionrounds.com/company/mainstream-renewable-power) Mainstream Renewable Energy provides project design and management services for renewable and alternative energies. *Founded* 2008 Dublin, Ireland **$159M** last round Aug 2013
- 32 [**Fastned** Fastned is a fast-charging network for electric vehicles to charge with renewable energy from the sun and wind.](https://millionrounds.com/company/fastned) Fastned is a fast-charging network for electric vehicles to charge with renewable energy from the sun and wind. *Founded* 2012 Amsterdam, Netherlands **$159M** last round Jan 2026
- 33 [**Qair Polska** Qair Polska is a renewables platform that specialises in producing energy from renewable sources, and it is a part of the global Qair Group.](https://millionrounds.com/company/qair-polska) Qair Polska is a renewables platform that specialises in producing energy from renewable sources, and it is a part of the global Qair Group. *Founded* - Wroclaw, Poland **$154M** last round May 2025
- 34 [**Alpha 311** Alpha 311 Ltd.](https://millionrounds.com/company/alpha-311) Alpha 311 Ltd. *Founded* 2018 Canterbury, United Kingdom **$151M** last round Mar 2026
- 35 [**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
- 36 [**GridServe** GRIDSERVE, officially known as Gridserve Sustainable Energy Limited, is a UK-based sustainable energy company founded in 2017.](https://millionrounds.com/company/gridserve) GRIDSERVE, officially known as Gridserve Sustainable Energy Limited, is a UK-based sustainable energy company founded in 2017. *Founded* 2016 Iver, United Kingdom **$134M** last round Jul 2025
- 37 [**Mytrah Energy** Mytrah Energy (India) Limited (MEIL), a wholly owned subsidiary of Guernsey based and AIM/LSE listed MEL in India,](https://millionrounds.com/company/mytrah-energy) Mytrah Energy (India) Limited (MEIL), a wholly owned subsidiary of Guernsey based and AIM/LSE listed MEL in India, *Founded* 2009 Hyderabad, United Kingdom **$130M** last round Apr 2015
- 38 [**Sonnedix** Sonnedix Solar is a global power producer dedicated to produce low-carbon solar energy for the future.](https://millionrounds.com/company/sonnedix) Sonnedix Solar is a global power producer dedicated to produce low-carbon solar energy for the future. *Founded* 2009 London, France **$124M** last round Jan 2014
- 39 [**Indra Renewable Technologies** Indra Renewable Technologies is a UK-based manufacturer specializing in smart electric vehicle (EV) charging and energy management solutions.](https://millionrounds.com/company/indra-renewable-technologies) Indra Renewable Technologies is a UK-based manufacturer specializing in smart electric vehicle (EV) charging and energy management solutions. *Founded* 2013 Great Malvern, United Kingdom **$120M** last round Jul 2023
- 40 [**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
- 41 [**Tibber** Tibber is a fully digital energy company founded in 2016 and headquartered in Førde, Norway.](https://millionrounds.com/company/tibber) Tibber is a fully digital energy company founded in 2016 and headquartered in Førde, Norway. *Founded* 2016 Førde, Norway **$111M** last round Mar 2022
- 42 [**Enefit Green** Enefit Green was established to unite all of the group's renewable energy production units into a single company.](https://millionrounds.com/company/enefit-green) Enefit Green was established to unite all of the group's renewable energy production units into a single company. *Founded* 2016 Tallinn, Estonia **$109M** last round Aug 2024
- 43 [**mylight150** mylight150 is a French cleantech company founded in February 2014 in Lyon by co-CEOs Ondine and Virgile Suavet.](https://millionrounds.com/company/mylight150) mylight150 is a French cleantech company founded in February 2014 in Lyon by co-CEOs Ondine and Virgile Suavet. *Founded* 2014 Villeurbanne, France **$109M** last round Nov 2023
- 44 [**Modus Asset Management** Modus Asset Management Concentrate on renewable energy investments with long-term and steady cash flows.](https://millionrounds.com/company/modus-asset-management) Modus Asset Management Concentrate on renewable energy investments with long-term and steady cash flows. *Founded* 2017 Vilnius, Lithuania **$101M** last round Jul 2024
- 45 [**Qair** Qair is an Independent Power Producer (IPP) that operates 860 MW of renewable energy generation assets.](https://millionrounds.com/company/qair) Qair is an Independent Power Producer (IPP) that operates 860 MW of renewable energy generation assets. *Founded* 2017 Paris, France **$100M** last round Mar 2026
- 46 [**R.Power Renewables** R.Power Renewables develops renewable energy sources.](https://millionrounds.com/company/r-power-renewables) R.Power Renewables develops renewable energy sources. *Founded* 2010 Warszawa, Poland **$98M** last round Jun 2026
- 47 [**Sunly** Sunly develops and operates renewable energy projects and invests in electrification startups.](https://millionrounds.com/company/sunly) Sunly develops and operates renewable energy projects and invests in electrification startups. *Founded* 2019 Tallinn, Estonia **$97M** last round Jul 2025
- 48 [**Smart Energies** Smart Energies develops, finances, builds, and operates renewable energy projects.](https://millionrounds.com/company/smart-energies) Smart Energies develops, finances, builds, and operates renewable energy projects. *Founded* 2012 PARIS, France **$95M** last round Jun 2024
- 49 [**Econic** Econic specializes in renewable energy and sustainability solutions through installing and maintaining heat and energy systems for houses.](https://millionrounds.com/company/econic) Econic specializes in renewable energy and sustainability solutions through installing and maintaining heat and energy systems for houses. *Founded* 2017 Amsterdam, Netherlands **$90M** last round Dec 2022
- 50 [**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

**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.

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[*P* *CC* *V* **Renewable energy startups worldwide** 795 companies · $63B](https://millionrounds.com/top-lists/renewable-energy-startups)

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