| # | 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 |
SB Energy
SB Energy is a digital infrastructure and energy platform that develops, constru…
|
Redwood City | — | $4.0B | Corporate Round | 2026-01-09 |
| 3 |
Radiant
Radiant develops portable nuclear microreactors designed to generate electricity…
|
El Segundo | 101 - 250 | $518.8M | Series Unknown | 2026-02-17 |
| 4 |
Commonwealth Fusion Systems
Commonwealth Fusion Systems designs and develops commercial fusion energy system…
|
Cambridge | 1K - 5K | $2.9B | Series B | 2025-08-27 |
| 5 |
Base Power
Base Power is a modern energy provider that specializes in residential backup ba…
|
Austin | 251 - 500 | $1.3B | Series C | 2025-10-08 |
| 6 |
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 |
| 7 |
Helion Energy
Helion Energy develops fusion power technology for clean electricity generation.
|
Everett | 501 - 1K | $1.0B | Series F | 2025-01-28 |
| 8 |
Fervo Energy
Fervo Energy develops and operates clean energy technology to generate carbon-fr…
|
Houston | 101 - 250 | $1.9B | Debt Financing | 2026-03-19 |
| 9 |
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 |
| 10 |
T1 Energy
T1 Energy is a solar and battery manufacturing company for commercial and indust…
|
Austin | 251 - 500 | $1.4B | Post Ipo Debt | 2025-12-11 |
| 11 |
Type One Energy
Stellarator technology to transform energy markets with fusion power.
|
Oak Ridge | 51 - 100 | $169.5M | Convertible Note | 2026-01-14 |
| 12 |
Aspen Power
Aspen Power Partners is a distributed generation platform with the dual mission …
|
Dallas | 51 - 100 | $1.1B | Debt Financing | 2026-01-12 |
| 13 |
SunPower
SunPower is a solar company with a distinct end-to-end customer offering, techno…
|
Fremont | 501 - 1K | $155.0M | Post Ipo Equity | 2026-01-13 |
| 14 |
Last Energy
Last Energy is a nuclear technology company that provides nuclear energy through…
|
Washington | 101 - 250 | $164.0M | Series C | 2025-12-16 |
| 15 |
TerraPower
TerraPower is a nuclear energy technology firm that focuses on developing a sust…
|
Bellevue | 501 - 1K | $1.5B | Secondary Market | 2026-01-20 |
| 16 |
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 |
| 17 |
NuScale Power
NuScale Power has developed a small modular reactor (SMR) to supply energy for e…
|
Corvallis | 251 - 500 | $2.4B | Post Ipo Secondary | 2026-02-17 |
| 18 |
SCHMID Group
SCHMID Group develops equipment and process solutions for electronics, energy sy…
|
Freudenstadt | 501 - 1K | $42.0M | Post Ipo Debt | 2026-01-18 |
| 19 |
terralayr
terralayr is a renewable battery storage systems developer offering innovative e…
|
Zug | 11 - 50 | $328.2M | Series Unknown | 2026-01-19 |
| 20 |
Crusoe
Crusoe is a vertically integrated AI infrastructure company that builds and oper…
|
Denver | 1K - 5K | $4.2B | Debt Financing | 2026-02-20 |
| 21 |
Zelestra
Zelestra is a renewable energy company dedicated to serving clients through cust…
|
Algorta | 1K - 5K | $963.0M | Debt Financing | 2026-03-25 |
| 22 |
Heirs Energies
Heirs Energies is Africa’s largest, indigenous owned, energy company
|
Lagos | 101 - 250 | $750.0M | Debt Financing | 2025-12-20 |
| 23 |
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 |
| 24 |
General Fusion
General Fusion provides commercial fusion energy by developing a magnetized targ…
|
Richmond | 101 - 250 | $428.8M | Series Unknown | 2025-11-27 |
| 25 |
Exowatt
Powering AI with 24-hour Dispatchable Solar
|
Miami | 51 - 100 | $140.0M | Series B | 2026-02-28 |
| 26 |
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 |
| 27 |
General Matter
General Matter is a nuclear energy company that produces enriched uranium fuel f…
|
San Francisco | 11 - 50 | $50.0M | Series Unknown | 2025-04-14 |
| 28 |
TAE Technologies
TAE Technologies is leveraging proprietary science and engineering to tackle the…
|
Foothill Ranch | 251 - 500 | $1.5B | Series Unknown | 2025-06-02 |
| 29 |
NeoVolta
NeoVolta is a developer of smart residential energy storage solutions.
|
Poway | 11 - 50 | $278.2M | Post Ipo Equity | 2026-01-23 |
| 30 |
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 |
| 31 |
Enovix
Enovix develops and produces lithium-ion batteries.
|
Fremont | 501 - 1K | $1.1B | Post Ipo Debt | 2025-09-11 |
| 32 |
EcoFlow Tech
EcoFlow provides designs, develops and manufactures eco-friendly and affordable …
|
San Francisco | 1K - 5K | $114.4M | Product Crowdfunding | 2021-09-01 |
| 33 |
Valar Atomics
Valar Atomics is a company focused on scaling nuclear energy beyond the traditio…
|
El Segundo | 11 - 50 | $599.0M | Series B | 2026-04-01 |
| 34 |
Sublime Systems
Sublime Systems develops technology to decarbonize cement-making.
|
Somerville | 51 - 100 | $202.0M | Series Unknown | 2025-05-20 |
| 35 |
Origis Energy
Origis Energy develops and operates solar power plants to provide renewable ener…
|
Miami | 251 - 500 | $5.4B | Undisclosed | 2026-04-08 |
| 36 |
Namdev Finvest
Namdev Finvest operates a non-banking finance platform that provides loans to ru…
|
Jaipur | 5K - 10K | $113.7M | Debt Financing | 2026-01-19 |
| 37 |
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 |
| 38 |
Leapmotor
Leapmotor is a Hangzhou-based Chinese new energy car maker.
|
Hangzhou | 1K - 5K | $3.7B | Post Ipo Equity | 2026-01-07 |
| 39 |
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 |
| 40 |
Aetherflux
Aetherflux develops a novel design for space.
|
San Carlos | 11 - 50 | $50.0M | Series A | 2025-04-02 |
| 41 |
CHARBONE
CHARBONE Corporation is a green hydrogen company focusing on ultra-high purity h…
|
Brossard | 11 - 50 | $63.6M | Post Ipo Debt | 2026-03-30 |
| 42 |
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 |
| 43 |
Focused Energy
Focused Energy pioneers laser-driven fusion for clean power, using inertial conf…
|
Austin | 11 - 50 | $121.7M | Corporate Round | 2024-12-17 |
| 44 |
Elvy
Elvy Energy provides a novel method of energy consumption through the installati…
|
San Francisco | 1 - 10 | $744.1M | Debt Financing | 2025-12-12 |
| 45 |
Span
Span develops residential energy storage devices that provide renewable electric…
|
San Francisco | 101 - 250 | $304.8M | Corporate Round | 2026-03-09 |
| 46 |
SSEN Transmission
SSEN Transmission provide a safe and reliable supply of electricity.
|
Perth | 1K - 5K | $4.0B | Debt Financing | 2025-12-19 |
| 47 |
United Solar Polysilicon
United Solar Polysilicon is a clean energy company that provides focused on phot…
|
Sohar | 1K - 5K | $2.1B | Debt Financing | 2026-01-19 |
| 48 |
ACWA Power
ACWA Power is a developer, investor, co-owner and operator of a portfolio of pow…
|
Riyadh | 1K - 5K | $12.6B | Post Ipo Debt | 2025-12-22 |
| 49 |
Eavor
Eavor is a geothermal energy solution provider that develops a closed-loop syste…
|
Calgary | 51 - 100 | $569.2M | Series Unknown | 2025-06-03 |
| 50 |
BP
BP is an energy company providing oil, gas, and renewable energy solutions, alon…
|
London | c 10001 max | $13.0B | Post Ipo Equity | 2025-02-08 |