Green hydrogen startups list

We researched 46 green hydrogen companies in the following list. This number will be kept updating. We categorize them based on the type of technology used to produce green hydrogen, including:

  • Water to hydrogen
  • Methane to hydrogen
  • Waste to hydrogen
  • Solar to hydrogen
  • Geologic hydrogen
  • Industrial byproducts to hydrogen

Each company has a brief introduction, followed by “Get details of XXX (company’s name)”. Clicking the company’s name, you will get our research results of the company, including:

  • Technology
  • Patent
  • Technology applications
  • Product
  • Funding
  • Investor
  • Founder

View the following list of startups that we researched:

Water to hydrogen

  • REMA

A Swiss cleantech company founded in 2023, develops membrane-less water electrolysis technology to improve the production rate of hydrogen and maintain high hydrogen purity.

Get details of REMA >>

  • Peregrine Hydrogen

An American cleantech startup founded in 2023, develops an innovative electrolyzer technology for producing both green hydrogen and valuable chemicals (instead of oxygen gas).

Get details of Peregrine Hydrogen >>

  • Electrogenos

A UK hydrogen energy startup founded in 2022, develops an efficient high-temperature alkaline water electrolyzer using a platinum-free electrocatalyst for low-cost green hydrogen.

Get details of Electrogenos >>

  • Verdagy

An American cleantech company founded in 2021, manufactures large-scale alkaline water electrolyzers based on its advanced electrode assemblies.

Get details of Verdagy >>

  • Battolyser Systems

A Dutch cleantech startup founded in 2021, develops an integrated battery and electrolyser system for maximum capacity of renewable energy storage.

Get details of Battolyser Systems >>

  • Hysata

An Australian cleantech startup founded in 2021, develops a unique capillary-fed electrolysis cell to produce green hydrogen with a 98% energy efficiency.

Get details of Hysata >>

  • Hystar

A Norway cleantech startup founded in 2020, develops energy-efficient PEM electrolyzers for large-scale green hydrogen production.

Get details of Hystar >>

  • Oort Energy

A UK hydrogen energy startup founded in 2021, manufactures PEM electrolyzer systems to produce low-cost hydrogen.

Get details of Oort Energy >>

  • EvolOH

An American hydrogen energy startup founded in 2020, specializes in low-cost and high-speed manufacturing of alkaline water electrolyzers.

Get details of EvolOH >>

  • Supercritical Solutions

A UK cleantech company founded in 2020, develops a membrane-less electrolyzer that uses supercritical alkaline electrolyte to produce pre-pressurized hydrogen.

Get details of Supercritical Solutions >>

  • SunGreenH2

A Singapore-based cleantech company founded in 2020, develops low-cost and high-performance electrodes for water electrolyzers.

Get details of SunGreenH2 >>

  • H2Pro

An Israeli cleantech startup founded in 2019, develops a membrane-free electrolyzer that can produce green hydrogen for less than $1 per kilogram before 2030.

Get details of H2Pro >>

  • Ohmium

An American hydrogen energy startup founded in 2019, manufactures advanced Proton Exchange Membrane (PEM) electrolyzer systems for on-site hydrogen production.

Get details of Ohmium >>

  • Power to Hydrogen

An American cleantech startup founded in 2019, develops a new low-cost reversible fuel cell technology for long-term renewable energy storage.

Get details of Power to Hydrogen >>

  • Versogen

An American cleantech startup founded in 2018, produces low-cost green hydrogen at scale using anion exchange membranes and earth-abundant materials.

Get details of Versogen >>

  • Alchemr

An American clean tech company founded in 2018, develops >500 kW single-stack AEM electrolyzers based on stable anion exchange membrane and a simple electrolyzer stack design.

Get details of Alchemr >>

  • Advanced Ionics

An American clean tech company founded in 2017, develops a  SOE electrolyzer that uses industrial waste heat to produce green hydrogen without a green premium.

Get details of Advanced Ionics >>

  • Enapter

A German cleantech company founded in 2017, develops and manufactures modular AEM electrolyzers to produce green hydrogen at any scale.

Get details of Enapter >>

  • Hydrolite

An Israeli cleantech startup founded in 2016, specializes in anion exchange membrane technology for electrolyzers and fuel cells used as an electric vehicle power source.

Get details of Hydrolite >>

  • Ecolectro

An American cleantech startup founded in 2015, develops advanced anion exchange membranes (AEM) and AEM electrolyzers.

Get details of Ecolectro >>

  • Ergosup

A French cleantech startup founded in 2012, develops and commercializes green hydrogen refueling stations for e-drones and e-bikes.

Get details of Ergosup >>

Methane to hydrogen

  • Spark Cleantech

A French cleantech startup founded in 2022, develops a plasma reactor system that dissociates methane into hydrogen gas and solid carbon.

Get details of Spark Cleantech >>

  • Aurora Hydrogen

A Canadian cleantech startup founded in 2021, develops microwave pyrolysis technology that uses microwave energy to convert methane into hydrogen and separable carbon.

Get details of Aurora Hydrogen >>

  • Innova Hydrogen

A Canadian hydrogen energy startup founded in 2021, develops thermal pyrolysis technology to convert methane to clean hydrogen and graphene.

Get details of Innova Hydrogen >>

  • Molten Industries

An American cleantech startup founded in 2021, develops methane thermal pyrolysis technology to produce clean hydrogen and graphite.

Get details of Molten Industries >>

  • Suiso

A UK cleantech startup founded in 2021, develops microwave plasma pyrolysis technology that converts natural gas and bio-methane to clean hydrogen and solid carbon.

Get details of Suiso >>

  • C-Zero

An American cleantech startup founded in 2020, develops a thermal pyrolysis technology that uses catalytic molten metals to convert methane into hydrogen and separable carbon.

Get details of C-Zero >>

  • HiiROC

A UK cleantech startup founded in 2019, develops thermal plasma electrolysis technology to convert natural gas to clean hydrogen and carbon black.

Get details of HiiROC >>

  • Sakowin

A French cleantech startup founded in 2017, develops microwave plasma pyrolysis technology that converts natural gas to clean hydrogen and solid carbon.

Get details of Sakowin >>

  • Ekona Power

A Canadian cleantech startup founded in 2017, develops pulsed thermal pyrolysis technology to split natural gas into clean hydrogen and solid carbon.

Get details of Ekona Power >>

  • Modern Hydrogen

An American cleantech startup founded in 2015, develops thermal pyrolysis technology that converts natural gas to clean hydrogen and carbon black.

Get details of Modern Hydrogen >>

  • BayoTech

An American cleantech company founded in 2015, provides on site hydrogen generation systems based on the new SMR process for the agriculture, fuel cells, and energy industries.

Get details of BayoTech >>

  • Monolith Materials

An American cleantech startup founded in 2012, develops plasma pyrolysis technology that converts natural gas to clean hydrogen and carbon black.

Get details of Monolith Materials >>

  • Hazer Group

An Australian cleantech company founded in 2010, develops HAZER Process to convert natural gas to hydrogen and graphite using iron ore catalyst.

Get details Hazer Group >>

Waste to hydrogen

  • SGH2

An American cleantech company founded in 2020, develops a plasma-enhanced gasification reactor to convert organic waste to low-cost clean hydrogen.

Get details of SGH2 >>

  • Perpetual Next

A Dutch cleantech company founded in 2019, develops torrefaction technologies to convert organic waste into biocoal, biochar, and biogas.

Get details of Perpetual Next >>

  • Raven SR

An American cleantech company founded in 2018, develops steam/CO₂ reforming technology to convert waste and biogas to clean hydrogen and carbon-neutral fuels.

Get details of Raven SR >>

  • Boson Energy

A Luxembourg cleantech company founded in 2008, produces hydrogen-rich syngas from non-recyclable waste and biomass.

Get details of Boson Energy >>

  • Kore Infrastructure

An American cleantech company founded in 2008, develops a thermal pyrolysis system that converts organic wastes into green hydrogen and biochar.

Get details of Kore Infrastructure >>

Solar to hydrogen

  • Redeem Solar Technologies

An American cleantech company founded in 2023, develops photo flow reactors to produce hydrogen via photocatalyst dehydrogenation of tetrahydroquinoline.

Get details of Redeem Solar Technologies >>

  • NX Fuels

An American cleantech company develops solar water splitting for hydrogen generation based on Indium gallium nitride (InGaN) nanowires.

Get details of NX Fuels >>

  • Syzygy Plasmonics

An American cleantech company founded in 2017, commercializes reactors that use LED light and plasmonic photocatalysts to produce on-site green fuels.

Get details of Syzygy Plasmonics >>

  • Fusion Fuel Green

An Irish cleantech company founded in 2017, develops a micro PEM-based electrolyzer, which uses concentrated solar energy to on site produce green hydrogen.

Get details of Fusion Fuel Green >>

  • SunHydrogen

An American cleantech company founded in 2009,  produces hydrogen gas through photocatalytic water splitting technology.

Get details of SunHydrogen >>

Geologic hydrogen

  • Koloma

An American cleantech company founded in 2021, develops technology to extract natural or geologic hydrogen from subsurface reservoirs while sequestering carbon dioxide underground permanently.

Get details of Koloma >>

Industrial byproducts to hydrogen

  • Thiozen

An American cleantech company founded in 2020, develops an innovative process that converts hydrogen sulfide into hydrogen gas.

Get details of Thiozen >>

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