| # | Company | Location | Employees | Total Funding | Last Round | Last Funded |
|---|---|---|---|---|---|---|
| 1 |
Oklo
Oklo specializes in designing and developing small modular reactors for advanced…
|
Santa Clara | — | $440.6M | Post Ipo Equity | 2025-06-12 |
| 2 |
Tether
Tether builds AI that turns millions of parked EVs into the world’s largest batt…
|
Stockholm | — | $1.5M | Pre Seed | 2025-06-19 |
| 3 |
SB Energy
SB Energy is a digital infrastructure and energy platform that develops, constru…
|
Redwood City | — | $4.0B | Corporate Round | 2026-01-09 |
| 4 |
Radiant
Radiant develops portable nuclear microreactors designed to generate electricity…
|
El Segundo | 101 - 250 | $518.8M | Series Unknown | 2026-02-17 |
| 5 |
LanzaTech
LanzaTech is a carbon recycling company that converts waste carbon into sustaina…
|
Skokie | 251 - 500 | $1.3B | Post Ipo Equity | 2026-01-22 |
| 6 |
Commonwealth Fusion Systems
Commonwealth Fusion Systems designs and develops commercial fusion energy system…
|
Cambridge | 1K - 5K | $2.9B | Series B | 2025-08-27 |
| 7 |
Solidion Technology
Solidion Technology is a battery technology company that manufactures battery ma…
|
Dallas | 51 - 100 | $8.8M | Grant | 2026-01-20 |
| 8 |
Cambium
Cambium specializes in advanced materials for defense and aerospace, focusing on…
|
El Segundo | 101 - 250 | $127.0M | Series B | 2026-01-05 |
| 9 |
Fuse Energy
Fuse Energy is an innovative energy company that simplifies gas and electricity …
|
London | 251 - 500 | $169.9M | Non Equity Assistance | 2026-03-19 |
| 10 |
Masdar
Masdar is a state-owned renewable energy company that develops and operates sola…
|
Abu Dhabi | 501 - 1K | $3.3B | Debt Financing | 2025-05-16 |
| 11 |
Helion Energy
Helion Energy develops fusion power technology for clean electricity generation.
|
Everett | 501 - 1K | $1.0B | Series F | 2025-01-28 |
| 12 |
Fervo Energy
Fervo Energy develops and operates clean energy technology to generate carbon-fr…
|
Houston | 101 - 250 | $1.9B | Debt Financing | 2026-03-19 |
| 13 |
Amprius
Amprius is a leader in silicon-anode lithium-ion batteries, delivering the highe…
|
Fremont | 51 - 100 | $402.5M | Post Ipo Equity | 2026-01-12 |
| 14 |
X-energy
X-energy is a nuclear energy company that develops small modular nuclear reactor…
|
Rockville | 501 - 1K | $1.7B | Series D | 2025-11-24 |
| 15 |
PowerBank
PowerBank is a renewable and clean energy company that designs, constructs, and …
|
Toronto | 11 - 50 | $61.8M | Grant | 2026-04-07 |
| 16 |
Cloover
Cloover provides embedded financial services, software, and energy solutions to …
|
Stockholm | 11 - 50 | $1.3B | Debt Financing | 2026-01-21 |
| 17 |
Factorial Energy
Factorial Energy focuses on sustainable future with safe, high performance batte…
|
Woburn | 101 - 250 | $240.0M | Corporate Round | 2026-03-27 |
| 18 |
Zanskar
Zanskar develops data-driven technology to identify and develop geothermal energ…
|
Salt Lake City | 101 - 250 | $157.2M | Series C | 2026-01-21 |
| 19 |
Last Energy
Last Energy is a nuclear technology company that provides nuclear energy through…
|
Washington | 101 - 250 | $164.0M | Series C | 2025-12-16 |
| 20 |
Deep Isolation
Deep Isolation develops and commercializes technology to safely dispose of nucle…
|
Berkeley | 11 - 50 | $55.6M | Grant | 2026-01-13 |
| 21 |
ReNew
ReNew is a renewable energy company that focuses on solar & wind-energy projects…
|
Gurgaon | 1K - 5K | $13.7B | Post Ipo Equity | 2026-03-16 |
| 22 |
AirJoule Technologies
AirJoule Technologies develops a climate-solution technology that harvests the u…
|
Montana Mines | 11 - 50 | $47.0M | Post Ipo Equity | 2026-01-14 |
| 23 |
terralayr
terralayr is a renewable battery storage systems developer offering innovative e…
|
Zug | 11 - 50 | $328.2M | Series Unknown | 2026-01-19 |
| 24 |
Nuvve
Nuvve is accelerating the electrification of transportation through its propriet…
|
San Diego | 11 - 50 | $46.7M | Post Ipo Equity | 2025-12-31 |
| 25 |
Zelestra
Zelestra is a renewable energy company dedicated to serving clients through cust…
|
Algorta | 1K - 5K | $963.0M | Debt Financing | 2026-03-25 |
| 26 |
NextPower (formerly Nextracker)
NextPower is a global energy-technology company that delivers integrated solutio…
|
Fremont | 1K - 5K | $1.2B | Grant | 2025-10-27 |
| 27 |
Electra
Electra is a a clean iron company that uses a low-temperature, electrochemical-h…
|
Boulder | 101 - 250 | $379.5M | Debt Financing | 2026-03-10 |
| 28 |
Blue Current
Blue Current manufactures advanced solid-state batteries for electric vehicles, …
|
Hayward | 11 - 50 | $126.2M | Series D | 2025-12-08 |
| 29 |
Juniper Green Energy
Juniper Green Energy is a renewable energy power producer specializing in solar,…
|
Gurgaon | 501 - 1K | $1.8B | Debt Financing | 2026-01-06 |
| 30 |
General Fusion
General Fusion provides commercial fusion energy by developing a magnetized targ…
|
Richmond | 101 - 250 | $428.8M | Series Unknown | 2025-11-27 |
| 31 |
Exowatt
Powering AI with 24-hour Dispatchable Solar
|
Miami | 51 - 100 | $140.0M | Series B | 2026-02-28 |
| 32 |
TeraWulf
TeraWulf is a bitcoin mining company that produces zero-carbon energy for crypto…
|
Easton | 11 - 50 | $5.9B | Post Ipo Equity | 2026-04-14 |
| 33 |
TAE Technologies
TAE Technologies is leveraging proprietary science and engineering to tackle the…
|
Foothill Ranch | 251 - 500 | $1.5B | Series Unknown | 2025-06-02 |
| 34 |
NeoVolta
NeoVolta is a developer of smart residential energy storage solutions.
|
Poway | 11 - 50 | $278.2M | Post Ipo Equity | 2026-01-23 |
| 35 |
EverGen Infrastructure
EverGen acquire, develop, build, own and operate a portfolio of Renewable Natura…
|
Vancouver | 11 - 50 | $45.6M | Post Ipo Debt | 2026-01-12 |
| 36 |
SES
SES builds AI-powered lithium-metal batteries for EVs, drones, and energy storag…
|
Woburn | 101 - 250 | $600.1M | Post Ipo Equity | 2022-02-04 |
| 37 |
Enovix
Enovix develops and produces lithium-ion batteries.
|
Fremont | 501 - 1K | $1.1B | Post Ipo Debt | 2025-09-11 |
| 38 |
Rad Power Bikes
North America's largest electric bike company. We are making transportation ener…
|
Seattle | 101 - 250 | $329.3M | Series D | 2021-10-28 |
| 39 |
Sun King
Sun King designs, distributes, installs, and finances solar energy solutions for…
|
Nairobi | 1K - 5K | $990.0M | Private Equity | 2025-12-11 |
| 40 |
SolaREIT
SolaREIT is a renewable energy real estate company that offers financing solutio…
|
Vienna | 11 - 50 | $340.0M | Debt Financing | 2026-01-12 |
| 41 |
Sublime Systems
Sublime Systems develops technology to decarbonize cement-making.
|
Somerville | 51 - 100 | $202.0M | Series Unknown | 2025-05-20 |
| 42 |
Inox Clean Energy
Inox Clean Energy serves as an integrated renewable energy platform under the IN…
|
Noida | 251 - 500 | $1.3B | Debt Financing | 2026-01-29 |
| 43 |
Origis Energy
Origis Energy develops and operates solar power plants to provide renewable ener…
|
Miami | 251 - 500 | $5.4B | Undisclosed | 2026-04-08 |
| 44 |
Energy Vault
Energy Vault offers a utility-scale, gravity-based storage solution for renewabl…
|
Lugano | 101 - 250 | $1.3B | Post Ipo Debt | 2026-02-11 |
| 45 |
Form Energy
Form Energy is an energy technology company that produces electric grids and acc…
|
Somerville | 501 - 1K | $1.6B | Debt Financing | 2024-12-16 |
| 46 |
Tesla
Tesla is an electric vehicle and clean energy company that provides electric car…
|
Austin | c 10001 max | $20.1B | Post Ipo Debt | 2024-10-05 |
| 47 |
Focused Energy
Focused Energy pioneers laser-driven fusion for clean power, using inertial conf…
|
Austin | 11 - 50 | $121.7M | Corporate Round | 2024-12-17 |
| 48 |
Elvy
Elvy Energy provides a novel method of energy consumption through the installati…
|
San Francisco | 1 - 10 | $744.1M | Debt Financing | 2025-12-12 |
| 49 |
Span
Span develops residential energy storage devices that provide renewable electric…
|
San Francisco | 101 - 250 | $304.8M | Corporate Round | 2026-03-09 |
| 50 |
SSEN Transmission
SSEN Transmission provide a safe and reliable supply of electricity.
|
Perth | 1K - 5K | $4.0B | Debt Financing | 2025-12-19 |