Top 38 Hydrogen Fuel startups in USA
Feb 27, 2026
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31
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 manufactures electrolyzers and builds hydrogen production plants - HYPRPlant. This fully integrated solution includes all necessary subsystems. The world's most powerful PEM unit ensures ultra-low electrolysis costs. A standard, pre-engineered design is delivered ready for on-site assembly, reducing overall installation costs by up to 60%. Minimal on-site integration reduces project development risks. The company operates a gigafactory in the US, where it manufactures electrolyzer units and is actively developing its own portfolio of hydrogen projects in the US and internationally. It also provides a full range of project development services, from site feasibility assessments to hydrogen production and project financing.
Electric Hydrogen manufactures electrolyzers and builds hydrogen production plants - HYPRPlant. This fully integrated solution includes all necessary subsystems. The world's most powerful PEM unit ensures ultra-low electrolysis costs. A standard, pre-engineered design is delivered ready for on-site assembly, reducing overall installation costs by up to 60%. Minimal on-site integration reduces project development risks. The company operates a gigafactory in the US, where it manufactures electrolyzer units and is actively developing its own portfolio of hydrogen projects in the US and internationally. It also provides a full range of project development services, from site feasibility assessments to hydrogen production and project financing.
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: $306M
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.
7
Funding: $297M
Ohmium designs, manufactures and installs reliable and cost-effective proton-exchange membrane electrolyzers for producing high-purity hydrogen under pressure. These energy plants use water and renewable energy to produce clean hydrogen and are easily scalable from megawatts to gigawatts thanks to their modular design. The electrolyzer uses tap water from an on-site source, purified through filtration, reverse osmosis and ion exchange for deionization, making it suitable for electrolysis. The company's cloud software ensures continuous global remote monitoring and maintenance of the system.
Ohmium designs, manufactures and installs reliable and cost-effective proton-exchange membrane electrolyzers for producing high-purity hydrogen under pressure. These energy plants use water and renewable energy to produce clean hydrogen and are easily scalable from megawatts to gigawatts thanks to their modular design. The electrolyzer uses tap water from an on-site source, purified through filtration, reverse osmosis and ion exchange for deionization, making it suitable for electrolysis. The company's cloud software ensures continuous global remote monitoring and maintenance of the system.
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
Our mission is to make the carbon in natural gas an asset instead of a liability. Our technology breaks hydrocarbons into hydrogen and solid carbon so that the value of each product can be independently maximized.
13
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.
14
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.
15
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.
16
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).
17
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.
18
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.
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: $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.
21
Funding: $18.6M
Fourier is develops a modular and fully automated hydrogen production system.
Fourier is develops a modular and fully automated hydrogen production system.
22
Funding: $15.3M
Peregrine Hydrogen operates as a climate technology company pioneering a dual production method for green hydrogen and valuable chemicals.
Peregrine Hydrogen operates as a climate technology company pioneering a dual production method for green hydrogen and valuable chemicals.
23
Funding: $12.6M
Equatic is simultaneously taking carbon dioxide out of the ocean and air while creating hydrogen as an alternative fuel.
Equatic is simultaneously taking carbon dioxide out of the ocean and air while creating hydrogen as an alternative fuel.
24
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.
25
Funding: $7M
Hgen aims to decarbonize hard-to-crack industries like steel and ammonia production by focusing on green hydrogen that’s made using renewable power.
Hgen aims to decarbonize hard-to-crack industries like steel and ammonia production by focusing on green hydrogen that’s made using renewable power.
26
Funding: $6.5M
1s1 Energy is developing material technology for PEM water electrolysis systems for green hydrogen production.
1s1 Energy is developing material technology for PEM water electrolysis systems for green hydrogen production.
28
Funding: $5.1M
ZEV Station provides 100% renewable-powered, electric charging, and hydrogen fueling stations.
ZEV Station provides 100% renewable-powered, electric charging, and hydrogen fueling stations.
29
Funding: $3.6M
Sesame Solar manufactures the world’s first 100% renewable mobile nanogrids that bring power to communities in <15 minutes.
Sesame Solar manufactures the world’s first 100% renewable mobile nanogrids that bring power to communities in <15 minutes.
30
Funding: $500K
Proteum Energy produces low emission fuel intended to come up with low-cost hydrogen, pipeline quality methane, and fuels.
Proteum Energy produces low emission fuel intended to come up with low-cost hydrogen, pipeline quality methane, and fuels.
31
Funding: $2.9M
HyWatts supplies modular systems that generate energy on-site for industrial uses. It calls its system Power-Plant-in-a-Box, which integrates hydrogen storage and reversible fuel cells for, it says, zero-emission, off-grid electricity at far lower costs than battery storage.
HyWatts supplies modular systems that generate energy on-site for industrial uses. It calls its system Power-Plant-in-a-Box, which integrates hydrogen storage and reversible fuel cells for, it says, zero-emission, off-grid electricity at far lower costs than battery storage.
32
Funding: $2.5M
Tobe Energy is developing a new class of electrolyzers that split water into hydrogen and oxygen. According to the company, their membrane-free system reduces equipment costs by up to 75% and will reduce heat generation, which is a significant source of inefficiency in traditional systems. This is achieved through the use of advanced power electronics that control a high-voltage, low-current system, new anode and cathode configuration and the elimination of exotic materials. Tobe's electrolyzer is currently in the experimental prototype stage and costs $446 per kilowatt (kW), that is 45% less than the cheapest of other leading electrolysis technologies, such as alkaline, proton-exchange membrane, solid oxide and anion exchange systems.
Tobe Energy is developing a new class of electrolyzers that split water into hydrogen and oxygen. According to the company, their membrane-free system reduces equipment costs by up to 75% and will reduce heat generation, which is a significant source of inefficiency in traditional systems. This is achieved through the use of advanced power electronics that control a high-voltage, low-current system, new anode and cathode configuration and the elimination of exotic materials. Tobe's electrolyzer is currently in the experimental prototype stage and costs $446 per kilowatt (kW), that is 45% less than the cheapest of other leading electrolysis technologies, such as alkaline, proton-exchange membrane, solid oxide and anion exchange systems.
33
Funding: $1M
Alchemr offers validated, stable and scalable water electrolyzers that generate hydrogen at cost parity with fossil fuel-derived hydrogen.
Alchemr offers validated, stable and scalable water electrolyzers that generate hydrogen at cost parity with fossil fuel-derived hydrogen.
34
Funding: $225K
H Quest Vanguard has developed an electrically powered chemical conversion platform that leverages Microwave Plasma Pyrolysis to liberate zero-CO2 hydrogen from natural gas using only a quarter of energy required by electrolysis, while coproducing a high-value carbon or petrochemical coproduct.
H Quest Vanguard has developed an electrically powered chemical conversion platform that leverages Microwave Plasma Pyrolysis to liberate zero-CO2 hydrogen from natural gas using only a quarter of energy required by electrolysis, while coproducing a high-value carbon or petrochemical coproduct.
35
Funding: $10K
Facet Power’s revolutionary technology is optimized to produce clean, green, high purity streams of hydrogen from biomass and organic waste.
Facet Power’s revolutionary technology is optimized to produce clean, green, high purity streams of hydrogen from biomass and organic waste.
36
Xalon Inc. is a private company from Passaic, NJ. Xalon is investing in the future of hydrogen fuel cells and mechanical engines that run on pure H₂. Xalon is going to premiere the first hypercar and supercycle before by 2030.
37
Gold Hydrogen is a low-carbon fuel source that reshapes the world’s transition away from fossil fuels. Extracted from existing oil and gas sites that would have otherwise been abandoned, Gold Hydrogen makes inexpensive, eco-friendly hydrogen more accessible to refineries, power plants, and everyone seeking to meet their environmental—and financial—goals
38
STARS Technology develops a microchannel process technology that enables rapid buildout of clean hydrogen hubs.
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