# Top 50 Energy Startups in the United States by Funding Raised in 2026

> The 50 energy startups in the United States that raised in 2026 that raised the most in 2026, ranked by money raised this year: $63B combined.

Source: https://millionrounds.com/top-lists/energy-startups-united-states-raised-2026 (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Crusoe** Crusoe is an energy-first AI infrastructure company that develops and operates large-scale, AI-optimized data centers powered by clean energy sources.](https://millionrounds.com/company/crusoe) Crusoe is an energy-first AI infrastructure company that develops and operates large-scale, AI-optimized data centers powered by clean energy sources. *Founded* 2018 Denver, United States **$7.2B** last round Sept 2026
- 2 [**MidOcean Energy** MidOcean Energy is an LNG company formed by EIG to build a diversified, resilient, cost and carbon competitive LNG portfolio.](https://millionrounds.com/company/midocean-energy) MidOcean Energy is an LNG company formed by EIG to build a diversified, resilient, cost and carbon competitive LNG portfolio. *Founded* - Washington, United States **$5.4B** last round Oct 2026
- 3 [**Williams** Find out how Williams is providing infrastructure that safely delivers natural gas products to fuel a clean energy economy.](https://millionrounds.com/company/williams) Find out how Williams is providing infrastructure that safely delivers natural gas products to fuel a clean energy economy. *Founded* - Palmetto, United States **$5.3B** last round Aug 2026
- 4 [**Vistra** Vistra is a retail electricity and power generation company that owns and operates power plants and supplies electricity to customers.](https://millionrounds.com/company/vistra) Vistra is a retail electricity and power generation company that owns and operates power plants and supplies electricity to customers. *Founded* 2016 Irving, United States **$4.0B** last round Apr 2026
- 5 [**Cypress Creek Renewables** Cypress Creek Renewables is a national provider of local solar.](https://millionrounds.com/company/cypress-creek-renewables) Cypress Creek Renewables is a national provider of local solar. *Founded* 2014 Durham, United States **$3.5B** last round Jun 2026
- 6 [**NextDecade** NextDecade is an LNG development company focusing on LNG export projects and associated pipelines.](https://millionrounds.com/company/nextdecade) NextDecade is an LNG development company focusing on LNG export projects and associated pipelines. *Founded* 2014 Houston, United States **$3.5B** last round Jun 2026
- 7 [**Clenera** Clenera is a privately-held renewable energy company acquires, develops, builds and manages utility-scale solar farms and energy storage.](https://millionrounds.com/company/clenera) Clenera is a privately-held renewable energy company acquires, develops, builds and manages utility-scale solar farms and energy storage. *Founded* 2013 Boise, United States **$2.9B** last round Jun 2026
- 8 [**VAST Data** VAST Data offers a unified data platform that integrates storage, database, and compute capabilities into a single software platform.](https://millionrounds.com/company/vast-data) VAST Data offers a unified data platform that integrates storage, database, and compute capabilities into a single software platform. *Founded* 2016 New York, United States **$2.0B** last round Apr 2026
- 9 [**Joulent**](https://millionrounds.com/company/joulent) *Founded* - United States **$1.8B** last round Jul 2026
- 10 [**SILA**](https://millionrounds.com/company/sila) *Founded* - United States **$1.7B** last round Aug 2026
- 11 [**Form Energy** Form Energy develops and commercializes a low-cost battery system that can store wind and solar energy for a long duration.](https://millionrounds.com/company/form-energy) Form Energy develops and commercializes a low-cost battery system that can store wind and solar energy for a long duration. *Founded* 2017 Somerville, United States **$1.5B** last round Sept 2026
- 12 [**MPLX** MPLX owns, leases or has ownership interest in approximately 2,900 miles of pipeline across nine states.](https://millionrounds.com/company/mplx) MPLX owns, leases or has ownership interest in approximately 2,900 miles of pipeline across nine states. *Founded* 2012 Findlay, United States **$1.5B** last round Feb 2026
- 13 [**Valar Atomics** Valar Atomics is a U.S.-based advanced nuclear energy startup founded in 2023 and headquartered in El Segundo, California.](https://millionrounds.com/company/valar-atomics) Valar Atomics is a U.S.-based advanced nuclear energy startup founded in 2023 and headquartered in El Segundo, California. *Founded* 2023 El Segundo, United States **$1.4B** last round Aug 2026
- 14 [**Dimension Energy**](https://millionrounds.com/company/dimension-energy) *Founded* - United States **$1.3B** last round Aug 2026
- 15 [**X-energy** X-energy is delivering the next generation of carbon-free energy by reinventing nuclear power.](https://millionrounds.com/company/x-energy) X-energy is delivering the next generation of carbon-free energy by reinventing nuclear power. *Founded* 2009 Rockville, United States **$1.0B** last round May 2026
- 16 [**Base Power**](https://millionrounds.com/company/base-power) *Founded* - United States **$1.0B** last round Aug 2026
- 17 [**Commonwealth Fusion Systems**](https://millionrounds.com/company/commonwealth-fusion-systems) *Founded* - United States **$1.0B** last round Jul 2026
- 18 [**Sunraycer** Sunraycer offers clean energy solutions and capital for renewable energy projects.](https://millionrounds.com/company/sunraycer) Sunraycer offers clean energy solutions and capital for renewable energy projects. *Founded* - Annapolis, United States **$901M** last round May 2026
- 19 [**EnergyRe** EnergyRe is at the center of the clean energy future.](https://millionrounds.com/company/energyre) EnergyRe is at the center of the clean energy future. *Founded* 2020 New York, United States **$815M** last round Oct 2026
- 20 [**VoltaGrid** VoltaGrid is ushering in a new era of power generation and permanently changing the landscape of mobile power.](https://millionrounds.com/company/voltagrid) VoltaGrid is ushering in a new era of power generation and permanently changing the landscape of mobile power. *Founded* 2020 Bellaire, United States **$775M** last round May 2026
- 21 [**Panamint Capital** Panamint Capital is an energy investment firm that focuses on developing electric transmission and optimizing power generation.](https://millionrounds.com/company/panamint-capital) Panamint Capital is an energy investment firm that focuses on developing electric transmission and optimizing power generation. *Founded* 2019 United States **$769M** last round Nov 2026
- 22 [**Blue Energy** Blue Energy is a nuclear energy company that designs and manufactures modular nuclear power plants.](https://millionrounds.com/company/blue-energy) Blue Energy is a nuclear energy company that designs and manufactures modular nuclear power plants. *Founded* - Plainfield, United States **$760M** last round Jul 2026
- 23 [**Primergy Solar** Primergy Solar is a developer, owner and operator focused on both distributed and utility scale solar PV and battery storage projects.](https://millionrounds.com/company/primergy-solar) Primergy Solar is a developer, owner and operator focused on both distributed and utility scale solar PV and battery storage projects. *Founded* 2019 Oakland, United States **$760M** last round Mar 2026
- 24 [**Maxwell Power** Maxwell Power is a renewable energy company that installs solar panels.](https://millionrounds.com/company/maxwell-power) Maxwell Power is a renewable energy company that installs solar panels. *Founded* - San Diego, United States **$750M** last round Jun 2026
- 25 [**Solar Landscape** Solar Landscape is an installer and operator of solar energy systems.](https://millionrounds.com/company/solar-landscape) Solar Landscape is an installer and operator of solar energy systems. *Founded* 2012 Asbury Park, United States **$725M** last round Jun 2026
- 26 [**Lydian Energy** Lydian Energy is a independent power producer specializing in the development, construction, and operation of utility-scale solar.](https://millionrounds.com/company/lydian-energy) Lydian Energy is a independent power producer specializing in the development, construction, and operation of utility-scale solar. *Founded* - Washington, United States **$689M** last round Feb 2026
- 27 [**California Resources** California Resources is an oil and natural gas company that focuses on energy transition in the sector.](https://millionrounds.com/company/california-resources) California Resources is an oil and natural gas company that focuses on energy transition in the sector. *Founded* 2014 Los Angeles, United States **$550M** last round Jun 2026
- 28 [**Doral Renewables** Doral Renewables develops, constructs, and operates large-scale renewable energy projects.](https://millionrounds.com/company/doral-renewables) Doral Renewables develops, constructs, and operates large-scale renewable energy projects. *Founded* 2019 MIDDLE CITY WEST, United States **$525M** last round Mar 2026
- 29 [**Flourish**](https://millionrounds.com/company/flourish) *Founded* - United States **$500M** last round Jun 2026
- 30 [**Pivot Energy** Pivot Energy is a national renewable energy provider that develops, finances, builds, owns, and manages solar and energy storage projects.](https://millionrounds.com/company/pivot-energy) Pivot Energy is a national renewable energy provider that develops, finances, builds, owns, and manages solar and energy storage projects. *Founded* 2009 Denver, United States **$500M** last round Oct 2026
- 31 [**Antares** Antares, formerly known as Antares Industries, is a nuclear technology company founded in 2023.](https://millionrounds.com/company/antares) Antares, formerly known as Antares Industries, is a nuclear technology company founded in 2023. *Founded* 2023 Torrance, United States **$470M** last round Aug 2026
- 32 [**Helion** Helion incorporated in 2009 and is now functioning as an R&D/thinktank company providing intellectual services with an emphasis on artificial intelligence, math](https://millionrounds.com/company/helion) Helion incorporated in 2009 and is now functioning as an R&D/thinktank company providing intellectual services with an emphasis on artificial intelligence, math *Founded* - Salt Lake City, UT, United States **$465M** last round Jun 2026
- 33 [**Armada** Armada is a pioneering company that offers a full-stack edge computing platform designed for remote and bandwidth-constrained industrial environments.](https://millionrounds.com/company/armada) Armada is a pioneering company that offers a full-stack edge computing platform designed for remote and bandwidth-constrained industrial environments. *Founded* 2022 San Francisco, United States **$460M** last round Sept 2026
- 34 [**Inertia Enterprises**](https://millionrounds.com/company/inertia-enterprises) *Founded* - United States **$450M** last round Feb 2026
- 35 [**Spearmint Energy** Spearmint Energy is a merchant energy trading company founded to combine innovative financial solutions.](https://millionrounds.com/company/spearmint-energy) Spearmint Energy is a merchant energy trading company founded to combine innovative financial solutions. *Founded* 2022 Miami, United States **$450M** last round May 2026
- 36 [**Fervo Energy** Fervo Energy develops clean energy technology to generate carbon-free energy from geothermal systems.](https://millionrounds.com/company/fervo-energy) Fervo Energy develops clean energy technology to generate carbon-free energy from geothermal systems. *Founded* 2017 Houston, United States **$441M** last round Sept 2026
- 37 [**Redwood Materials** Redwood Materials is an American company based in Carson City, Nevada, focused on creating a sustainable supply chain for lithium-ion batteries.](https://millionrounds.com/company/redwood-materials) Redwood Materials is an American company based in Carson City, Nevada, focused on creating a sustainable supply chain for lithium-ion batteries. *Founded* 2017 Carson City, United States **$425M** last round Jan 2026
- 38 [**Greenvolt Power** Greenvolt Power is a renewable energy platform that develops and operates onshore Wind and photovoltaic installations.](https://millionrounds.com/company/greenvolt-power) Greenvolt Power is a renewable energy platform that develops and operates onshore Wind and photovoltaic installations. *Founded* - Boston, United States **$411M** last round Feb 2026
- 39 [**Whysol Renewables** Whysol Renewables is an Italian independent power producer focused on renewable energy and energy transition projects.](https://millionrounds.com/company/whysol-renewables) Whysol Renewables is an Italian independent power producer focused on renewable energy and energy transition projects. *Founded* - Italy, United States **$368M** last round Mar 2026
- 40 [**Panthalassa** Panthalassa is a public-benefit corporation based in Portland, Oregon, founded in 2016.](https://millionrounds.com/company/panthalassa) Panthalassa is a public-benefit corporation based in Portland, Oregon, founded in 2016. *Founded* 2021 Portland, United States **$365M** last round Aug 2026
- 41 [**New ERA Energy & Digital** New Era Energy & Digital is an energy company that provides helium exploration and production that operates in helium reserves.](https://millionrounds.com/company/new-era-energy-and-digital) New Era Energy & Digital is an energy company that provides helium exploration and production that operates in helium reserves. *Founded* - Midland, United States **$354M** last round Nov 2026
- 42 [**Presidio Petroleum** Presidio Petroleum is a leading oil and gas efficiency company.](https://millionrounds.com/company/presidio-petroleum) Presidio Petroleum is a leading oil and gas efficiency company. *Founded* 2016 Fort Worth, United States **$350M** last round Jun 2026
- 43 [**Lunar Energy** Lunar Energy is a renewable energy company based in Mountain View, California, founded in 2020.](https://millionrounds.com/company/lunar-energy) Lunar Energy is a renewable energy company based in Mountain View, California, founded in 2020. *Founded* 2020 Mountain View, United States **$334M** last round Feb 2026
- 44 [**Goshe Energy Storage** Goshe Energy Storage develops, constructs, and manages utility-scale energy storage facilities to promote a sustainable energy future.](https://millionrounds.com/company/goshe-energy-storage) Goshe Energy Storage develops, constructs, and manages utility-scale energy storage facilities to promote a sustainable energy future. *Founded* - Boulder, United States **$328M** last round May 2026
- 45 [**ASI** Air Space Intelligence (ASI) is a software company that develops AI-powered systems for mission-critical operations in commercial aviation, logistics, and defense.](https://millionrounds.com/company/asi) Air Space Intelligence (ASI) is a software company that develops AI-powered systems for mission-critical operations in commercial aviation, logistics, and defense. *Founded* 2018 Boston, United States **$325M** last round Oct 2026
- 46 [**Avantus** Avantus develops large-scale solar and solar-plus-storage projects to drive the adoption of zero-emission energy.](https://millionrounds.com/company/avantus) Avantus develops large-scale solar and solar-plus-storage projects to drive the adoption of zero-emission energy. *Founded* 2019 El Dorado Hills, United States **$300M** last round Sept 2026
- 47 [**EnerVenue** EnerVenue is an energy storage infrastructure company based in Fremont, California, founded in 2020.](https://millionrounds.com/company/enervenue) EnerVenue is an energy storage infrastructure company based in Fremont, California, founded in 2020. *Founded* 2020 Fremont, United States **$300M** last round Mar 2026
- 48 [**CleanCapital** CleanCapital accelerates clean energy with an online marketplace providing opportunities for investors and access to capital for developers.](https://millionrounds.com/company/cleancapital) CleanCapital accelerates clean energy with an online marketplace providing opportunities for investors and access to capital for developers. *Founded* 2015 New York, United States **$300M** last round Jan 2026
- 49 [**Summit Ridge Energy** Summit Ridge Energy offers solar, battery storage project acquisition, project development, construction, land and rooftop leasing services.](https://millionrounds.com/company/summit-ridge-energy) Summit Ridge Energy offers solar, battery storage project acquisition, project development, construction, land and rooftop leasing services. *Founded* - Arlington, United States **$290M** last round Jan 2026
- 50 [**Generate Capital** Generate Capital is an investment and operating platform for sustainable infrastructure.](https://millionrounds.com/company/generate-capital) Generate Capital is an investment and operating platform for sustainable infrastructure. *Founded* 2014 San Francisco, United States **$272M** last round Sept 2026

**Money raised in 2026** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies with a round in 2026 that we track, ranked by what they raised this year. 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 the United States that raised in 2026 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

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[*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)[*N* *V* *S* **Energy startups in Europe** 607 companies · $39B](https://millionrounds.com/top-lists/energy-startups-europe)[*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)[*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)

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