| # | Company | Location | Employees | Total Funding | Last Round | Last Funded |
|---|---|---|---|---|---|---|
| 1 |
Bloom Energy
Bloom Energy offers on-site power generation systems that can use a wide variety…
|
Sunnyvale | 1K - 5K | $5.4B | Post Ipo Debt | 2025-12-19 |
| 2 |
Plug Power
Plug Power is a provider of clean hydrogen and zero-emission fuel cell solution…
|
Latham | 1K - 5K | $9.0B | Post Ipo Debt | 2025-11-18 |
| 3 |
Advent Technologies
Advent Technologies is an innovation-driven company in the fuel cell and hydroge…
|
Boston | 51 - 100 | $107.8M | Grant | 2025-03-11 |
| 4 |
HyWatts
Power-Plant-in-a-Box for EV, Data Centers | Green Energy Everywhere
|
Berkeley | 11 - 50 | $2.9M | Pre Seed | 2024-07-01 |
| 5 |
Varea Energy
Decarbonizing the Heavy Industry and Electricity Space by Pioneering Hydrogen as…
|
Houston | 1 - 10 | $500K | Pre Seed | 2023-07-10 |
| 6 |
XENDEE Corporation
XENDEE develops advanced software for financial & technical optimization and ope…
|
San Diego | 11 - 50 | $23.0M | Series B | 2025-09-08 |
| 7 |
Neology
Ammonia for Clean Energy - Driving Clean, Sustainable Off-Grid Power Solution
|
Lutry | 1 - 10 | $3.0M | Seed | 2025-10-14 |
| 8 |
MicroEra Power
Resilient, efficient Thermal Energy Storage for C&I buildings
|
Rochester | 11 - 50 | $933K | Non Equity Assistance | 2026-03-25 |
| 9 |
Ionomr
Ionomr makes Aemion™ & Pemion™, next-gen ion-exchange materials for breakthrough…
|
Vancouver | 51 - 100 | $50.3M | Series Unknown | 2024-10-03 |
| 10 |
INERGIO
INERGIO is a reliable power power supply yet is a challenge to off-grid systems.
|
Lausanne | 11 - 50 | $3.7M | Grant | 2025-09-01 |
| 11 |
Elcogen
Elcogen is a manufacturer of clean energy technology that delivers affordable gr…
|
Tallinn | 101 - 250 | $145.0M | Series Unknown | 2025-01-16 |
| 12 |
Blue World Technologies
Blue World Technologies is a fuel cell manufacturer especially in methanol fuel …
|
Aalborg | 101 - 250 | $73.7M | Series C | 2023-12-05 |
| 13 |
Versogen
Versogen develops electrolyzer technology for water and renewable energy to prod…
|
Wilmington | 11 - 50 | $14.5M | Series A | 2022-05-10 |
| 14 |
Bramble Energy
Bramble Energy is an innovator energy technology company that designs and manufa…
|
London | 51 - 100 | $73.8M | Grant | 2023-05-09 |
| 15 |
BeFC Bioenzymatic Fuel Cells
BeFC Bioenzymatic Fuel Cells provide eco-friendly paper-based bio-enzymatic fuel…
|
Grenoble | 11 - 50 | $20.7M | Series A | 2023-06-08 |
| 16 |
Weishi Energy
Weishi Energy is a sustainable energy company engaged in the research and develo…
|
Baoding | 51 - 100 | $219.7M | Series C | 2025-07-24 |
| 17 |
Independence Hydrogen
Independence Hydrogen is a veteran-owned and operated supplier of gaseous hydrog…
|
Ashburn | 11 - 50 | $30.0M | Corporate Round | 2025-07-10 |
| 18 |
HyPoint
HyPoint is a provider of a hydrogen fuel cell system for air transportation mark…
|
Menlo Park | 51 - 100 | $5.5M | Convertible Note | 2022-03-04 |
| 19 |
SunGreenH2
SunGreenH2 is a deep cleantech company making electrolysers produce 2x green hyd…
|
Singapore | 11 - 50 | $4.5M | Seed | 2025-07-31 |
| 20 |
PowerUP Fuel Cells OÜ
PowerUP produces reliable hydrogen fuel cell generators, boosting societal resil…
|
Tallinn | 11 - 50 | $11.6M | Series A | 2024-04-01 |
| 21 |
1s1 Energy
1s1 Energy is developing material technology for PEM water electrolysis systems …
|
Portola Valley | 1 - 10 | $6.5M | Seed | 2024-10-15 |
| 22 |
BTE
BTE is an energy company that provides carbon-neutral energy recycling solutions…
|
Gyeongju | 11 - 50 | $6.8M | Series Unknown | 2024-05-24 |
| 23 |
Nuvera Fuel Cells
Nuvera Fuel Cells is a provider of fuel cell power solutions for motive applicat…
|
Billerica | 101 - 250 | $30.1M | Grant | 2024-03-13 |
| 24 |
NanoScent
Making Scent Readable. Scent recognition technology for industrial applications.…
|
Misgav | 11 - 50 | $13.6M | Convertible Note | 2023-07-12 |
| 25 |
Minerva Carbon
Pioneering next-gen carbon materials to power the future of energy and mobility.
|
M├╝lheim An Der Ruhr | 1 - 10 | $2.1M | Grant | 2025-06-20 |
| 26 |
Reliefed Technologies
3D technology enabler for new energy and serial/mass production volumes
|
Varberg | 1 - 10 | $8.6M | Series Unknown | 2022-06-15 |
| 27 |
GaltTec
GaltTec focuses on developing and marketing microtubular solid oxide fuel cells.
|
Tartu | 1 - 10 | $1.0M | Grant | 2025-02-28 |
| 28 |
Ballard Power Systems
Ballard Power Systems develops and sells hydrogen fuel cell products.
|
Burnaby | 1K - 5K | $1.3B | Grant | 2024-04-01 |
| 29 |
Combined Energies
Combined Energies is an early-stage startup commercializing residential-scale po…
|
Latham | 1 - 10 | $1.7M | Debt Financing | 2023-03-28 |
| 30 |
Genevos
Genevos specializes in integrating hydrogen and fuel cell systems in the maritim…
|
Lagord | 11 - 50 | $2.7M | Seed | 2024-01-18 |
| 31 |
Pacific Northwest Hydrogen Association
Pacific Northwest Hydrogen Association aims to enhance lives by establishing a c…
|
Seattle | 1 - 10 | $27.5M | Grant | 2024-07-24 |
| 32 |
Ceres Power
Ceres Power Holdings PLC is a world leading developer of low cost, next generati…
|
Horsham | 501 - 1K | $307.3M | Grant | 2023-02-15 |
| 33 |
ShipTown
ShipTown is a green energy company with a vision to make green energy affordable…
|
Fredericia | 1 - 10 | $771K | Seed | 2025-11-24 |
| 34 |
Stellar Aircraft
Aviation, Hydrogen, Regional Mobility
|
Westport | 101 - 250 | $3.0M | Pre Seed | 2021-01-03 |
| 35 |
Hydrogen Technology
Hydrogen Technology focuses on the research and development and industrializatio…
|
Hangzhou | — | $31.1M | Series Unknown | 2023-04-04 |
| 36 |
Lookin Inc.
Lookin develops terahertz scanners for high-throughput and high-sensitivity mate…
|
Los Angeles | 1 - 10 | $4.9M | Grant | 2024-08-26 |
| 37 |
Yongtai High-tech Materials
Yongtai High-tech Materials is a researcher, manufacturer, wholesaler and retail…
|
Shaowu | 101 - 250 | $101.4M | Series Unknown | 2021-11-16 |
| 38 |
Altex Technologies
Altex Technologies provides fuels processing and fuel cell power systems, low em…
|
San Jose | 11 - 50 | $2.3M | Grant | 2024-08-26 |
| 39 |
Kunhua Technology
Kunhua Technology specializes in the development of fuel cell technology and pro…
|
Jiading | 11 - 50 | $13.8M | Series B | 2023-07-03 |
| 40 |
Emission Free Generators
EFG is an innovative change in the portable generator and independent energy mar…
|
San Diego | 1 - 10 | $20K | Pre Seed | 2025-09-08 |
| 41 |
Xinyuan Power
Xinyuan Power Hebei Company is a hydrogen fuel cell and hydrogen energy company.
|
Handan | 101 - 250 | $70.2M | Series Unknown | 2024-10-17 |
| 42 |
New Flyer Industries
New Flyer Industries is the manufacturer of heavy-duty buses in the U.S. and Can…
|
Winnipeg | 1K - 5K | $351.1M | Post Ipo Debt | 2021-12-02 |
| 43 |
True Zero
True Zero is revolutionizing clean, efficient automotive transportation
|
Irvine | 11 - 50 | $26.6M | Grant | 2017-11-14 |
| 44 |
Hypermotive
Hypermotive delivers electrical integration engineering, manufacturing, battery,…
|
Lutterworth | 1 - 10 | $213K | Grant | 2023-05-11 |
| 45 |
Aten Solar Energy
Aten Solar Energy purchases, stores and delivers high-quality Tier I solar modul…
|
Cliffwood | 1 - 10 | $15.8M | Debt Financing | 2017-10-01 |
| 46 |
ULTIMATE RECYCLER by Kashong LLC
ULTIMATE RECYCLER eliminates garbage landfills, forever, everywhere.
|
Elmira | 11 - 50 | $2.4M | Seed | 2021-10-25 |
| 47 |
TerraLIX
TerraLIX is a manufacturer of fuel cell products.
|
Dongan | 51 - 100 | $12.3M | Series B | 2022-04-21 |
| 48 |
Cemt
Edelman is a hydrogen fuel cell manufacturing company which provides vehicle pow…
|
Jiashan | 501 - 1K | $15.5M | Series B | 2021-12-22 |
| 49 |
AZANE Fuel Solutions
AZANE Fuel Solutions develop and deliver bunkering solutions for ammonia fuel, e…
|
Sandefjord | 1 - 10 | $5.7M | Series A | 2023-10-25 |
| 50 |
Intelligent Energy
Intelligent Energy is a clean power systems company offering fuel cell and hydro…
|
Loughborough | 501 - 1K | $206.2M | Grant | 2025-06-17 |