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Top 20 Hydrogen Fuel startups in USA
Jul 20, 2025 | By Alexander Gillet | 30 |
1
Funding: $855.8M
Solugen has developed a unique process for the synthesis of hydrogen peroxide inspired by principles of cancer biology.
Solugen has developed a unique process for the synthesis of hydrogen peroxide inspired by principles of cancer biology.
2
Funding: $813M
Mainspring Energy is engineering advanced technology to revolutionize the way electricity is generated and delivered
Mainspring Energy is engineering advanced technology to revolutionize the way electricity is generated and delivered
3
Funding: $798.3M
Electric Hydrogen develops electrolyzer technologies to enable abundant, low-cost, and clean hydrogen to replace fossil fuels.
Electric Hydrogen develops electrolyzer technologies to enable abundant, low-cost, and clean hydrogen to replace fossil fuels.
4
Funding: $420.1M
EnerVenue provides metal-hydrogen batteries for large-scale renewable and storage applications.
EnerVenue provides metal-hydrogen batteries for large-scale renewable and storage applications.
5
Funding: $364.3M
Monolith is a next-generation clean materials company that uses a proprietary process to produce clean hydrogen, carbon black and ammonia.
Monolith is a next-generation clean materials company that uses a proprietary process to produce clean hydrogen, carbon black and ammonia.
6
Funding: $297M
Ohmium is a green hydrogen company that manufactures proton exchange membrane systems to produce pressurized, high-purity hydrogen.
Ohmium is a green hydrogen company that manufactures proton exchange membrane systems to produce pressurized, high-purity hydrogen.
7
Funding: $294M
ZeroAvia enables zero emission air travel at scale, starting with 500 mile short-haul trips, at half of today’s cost.
ZeroAvia enables zero emission air travel at scale, starting with 500 mile short-haul trips, at half of today’s cost.
8
Funding: $174.1M
BayoTech provides low cost, low/no carbon hydrogen generation systems for agriculture, fuel cells and energy industries.
BayoTech provides low cost, low/no carbon hydrogen generation systems for agriculture, fuel cells and energy industries.
9
Funding: $106M
Syzygy Plasmonics is creating a hydrogen fuel cell technology that produces a cheaper source of energy that releases fewer carbon emissions.
Syzygy Plasmonics is creating a hydrogen fuel cell technology that produces a cheaper source of energy that releases fewer carbon emissions.
10
Funding: $98.6M
Modern Hydrogen is developing methane pyrolysis reactors that take natural gas from fossil fuels or biogas from sources like manure and strip off the carbon to make hydrogen. The hydrogen burns cleanly, producing water vapor as a byproduct. The fuel can be used for energy production, in industrial processes like steel manufacturing, and in fuel cells.
Modern Hydrogen is developing methane pyrolysis reactors that take natural gas from fossil fuels or biogas from sources like manure and strip off the carbon to make hydrogen. The hydrogen burns cleanly, producing water vapor as a byproduct. The fuel can be used for energy production, in industrial processes like steel manufacturing, and in fuel cells.
11
Funding: $63M
Graphitic Energy is developing a technology that converts natural gas to hydrogen, a much cleaner source of fuel, and solid carbon as the only waste stream for use in electrical generation, process heating and the production of commodity chemicals like hydrogen and ammonia.
Graphitic Energy is developing a technology that converts natural gas to hydrogen, a much cleaner source of fuel, and solid carbon as the only waste stream for use in electrical generation, process heating and the production of commodity chemicals like hydrogen and ammonia.
12
Funding: $40.1M
Power to Hydrogen creates advanced reversible fuel cell technology that cost effectively and efficiently converts electricity and water into high purity hydrogen and oxygen, and when needed back to power.
Power to Hydrogen creates advanced reversible fuel cell technology that cost effectively and efficiently converts electricity and water into high purity hydrogen and oxygen, and when needed back to power.
13
Funding: $38.3M
Raven is a producer of green hydrogen and synthetic fuels using organic waste.
Raven is a producer of green hydrogen and synthetic fuels using organic waste.
14
Funding: $36.3M
OxEon Energy is a cleantech start-up that works on alternative energy storage, synthetic fuels, and high purity gas production.
OxEon Energy is a cleantech start-up that works on alternative energy storage, synthetic fuels, and high purity gas production.
15
Funding: $30M
Clean Hydrogen Works is providing safe, responsible, and innovative clean energy solutions for a carbon-free world (building hydrogen-ammonia plant).
Clean Hydrogen Works is providing safe, responsible, and innovative clean energy solutions for a carbon-free world (building hydrogen-ammonia plant).
16
Funding: $29.3M
Bringing scalable, low-cost, clean green hydrogen energy to the very near future.
Bringing scalable, low-cost, clean green hydrogen energy to the very near future.
17
Funding: $26.3M
Advanced Ionics engages in eliminating the green premium associated with green hydrogen production.
Advanced Ionics engages in eliminating the green premium associated with green hydrogen production.
18
Funding: $20M
NovoHydrogen is experienced at deploying and commercializing successful innovative energy transition technologies.
NovoHydrogen is experienced at deploying and commercializing successful innovative energy transition technologies.
19
Funding: $20.2M
EVOLOH builds the highest throughput electrolyzer stack factories in the world.
EVOLOH builds the highest throughput electrolyzer stack factories in the world.
20
Funding: $10M
SGH2's technology uses high-temperature plasma torches to incinerate recycled waste, producing hydrogen as a byproduct.
SGH2's technology uses high-temperature plasma torches to incinerate recycled waste, producing hydrogen as a byproduct.
