Regenerative fuel cell companies focus on sustainable energy solutions by harnessing hydrogen technologies. These firms produce fuel cells and electrolyzers that convert renewable energy into clean power. Their services contribute to significant advancements in various applications, from transportation to versatile energy storage. As the need for greener alternatives intensifies amidst growing climate concerns, the regenerative fuel cell industry is positioned for remarkable growth. Innovations in hydrogen production and efficiency are paving the way for a cleaner energy transition worldwide, buoyed by partnerships and investments in cutting-edge technologies that enhance the uptake of renewable energy sources.

This list features 26 regenerative fuel cell companies, varying in size from small startups with fewer than 50 employees to larger ventures employing over 1,000. They are headquartered across multiple countries, including the USA, Germany, and India, with founding years ranging from 1997 to 2024. Specializations span from hydrogen fuel cells and electrolyzers to energy storage systems, showcasing the breadth of talent and innovation in this sector. The companies exemplify a commitment to addressing global energy challenges and embracing the shift toward sustainable practices.

Read on to discover more about the top regenerative fuel cell companies.

Top 26 Regenerative Fuel Cells Companies

1. Nuvera Fuel Cells, LLC

• Website: nuvera.com
• Ownership type: Corporate
• Headquarters: Billerica, Massachusetts, United States (USA)
• Employee distribution: United States (USA) 87%, Italy 11%, Other 1%
• Latest funding: Other (Grant), $30.0M, March 2024
• Founded year: 2000
• Headcount: 51-200
• LinkedIn: nuvera-fuel-cells

Nuvera Fuel Cells, LLC, founded in 2000 and based in Billerica, Massachusetts, is a clean energy company that specializes in hydrogen technologies and fuel cell products. With a workforce of approximately 148 employees, Nuvera focuses on providing innovative solutions for zero-emission vehicles and power generation. Their product offerings include fuel cell engines designed for mid- and heavy-duty vehicles, as well as stationary power applications. Nuvera's technology is particularly relevant in sectors where traditional diesel engines have been prevalent, such as transportation, maritime, and port operations. The company has been involved in various projects that aim to replace diesel-powered equipment with hydrogen fuel cell alternatives, thereby reducing carbon emissions and improving air quality. Recently, Nuvera secured $30 million in funding, which underscores their active role in advancing hydrogen technology and their commitment to supporting the transition to sustainable energy solutions.

2. Horizon Fuel Cell Technologies Pte Ltd

• Website: horizonfuelcell.com
• Ownership type: Venture Capital
• Headquarters: Singapore
• Employee distribution: China 85%, Brazil 15%
• Latest funding: February 2017
• Founded year: 2003
• Headcount: 201-500
• LinkedIn: horizon-fuel-cell-technologies

Horizon Fuel Cell Technologies Pte Ltd, founded in 2003 and based in Singapore, is a manufacturer focused on hydrogen technology. The company offers a range of products, including PEM fuel cells and electrolysers, catering to industries such as transportation and energy production. Their solutions emphasize decarbonization and efficient energy generation. Horizon has been involved in various projects, including the deployment of hydrogen fuel cell systems for heavy-duty vehicles and the development of MW-scale electrolysers aimed at supporting green hydrogen initiatives. The company operates primarily through direct sales and customer engagement, striving to provide innovative energy solutions that meet the growing demand for sustainable energy technologies.

3. HyAxiom, Inc.

• Website: hyaxiom.com
• Ownership type: Private Equity
• Headquarters: East Hartford, Connecticut, United States (USA)
• Employee distribution: United States (USA) 95%, South Korea 5%
• Latest funding: $150.0M, July 2023
• Founded year: 2014
• Headcount: 201-500
• LinkedIn: doosan-fuel-cell-america-inc

HyAxiom, Inc., based in East Hartford, Connecticut, is an energy solutions provider that specializes in hydrogen fuel cells and electrolyzers. Founded in 2014, the company develops, manufactures, and services advanced hydrogen energy solutions aimed at helping clients achieve cleaner energy production and reduce carbon emissions. HyAxiom's product offerings include the PureCell® fuel cell systems and Proton Exchange Membrane (PEM) electrolyzers, which are designed for utility, industrial, and commercial applications. The company is committed to creating a clean hydrogen ecosystem and has established a significant installed base of over 560 MW. With a workforce of approximately 241 employees, HyAxiom is actively involved in the transition to sustainable energy solutions. Their recent funding of $150 million in July 2023 further underscores their growth trajectory and commitment to innovation in the hydrogen energy sector.

4. Blue World Technologies

• Website: blue.world
• Ownership type: Corporate
• Headquarters: Aalborg, Denmark
• Employee distribution: Denmark 97%, Turkey 3%
• Latest funding: Series C, $11.9M, December 2023
• Founded year: 2018
• Headcount: 51-200
• LinkedIn: blueworld

Blue World Technologies, founded in 2018 and based in Aalborg, Denmark, is a manufacturer dedicated to the development of methanol fuel cells. The company aims to provide energy-efficient solutions primarily for industries like maritime and heavy-duty transportation, which are often challenging to decarbonize. Their technology focuses on high-temperature PEM fuel cells combined with methanol reforming, ensuring high energy conversion efficiency and reduced emissions. Blue World Technologies has made significant strides in industrializing their technology, recently achieving a successful Series C funding round of approximately €11.9 million in December 2023. This funding supports their mission to scale production and enhance their product offerings, reinforcing their position in the renewable energy sector.

5. FTXT Energy Technology

• Website: ftxt-e.com
• Ownership type: Private
• Headquarters: Shanghai, Shanghai, China
• Employee distribution: China 60%, Canada 40%
• Founded year: 2016
• Headcount: 1001-5000
• LinkedIn: ftxt-energy

FTXT Energy Technology, founded in 2016 and based in Shanghai, China, is a private company dedicated to the development of hydrogen energy solutions. The company specializes in hydrogen power systems and fuel cell technology, providing innovative solutions for various applications, including transportation, energy supply, and storage. FTXT Energy Technology emphasizes research and development to enhance the efficiency and reliability of hydrogen technologies, contributing to a sustainable energy future. Their product offerings include hydrogen fuel cell systems, fuel cell stacks, and hydrogen storage systems, catering to a range of industries. The company has established strategic partnerships with notable enterprises across the hydrogen energy supply chain, further solidifying its position in the market. With a workforce of over 1,000 employees, FTXT Energy Technology is actively engaged in projects that promote the adoption of hydrogen as a clean energy source.

6. SIQENS GmbH

• Website: siqens.de
• Ownership type: Venture Capital
• Headquarters: Flensburg, Schleswig-Holstein, Germany
• Employee distribution: Germany 100%
• Latest funding: Other (Grant), May 2018
• Founded year: 2012
• Headcount: 11-50
• LinkedIn: siqens-gmbh

SIQENS GmbH, founded in 2012 and based in Flensburg, Germany, is an energy technology company that specializes in hydrogen technology and fuel cells. With a team of 19 employees, SIQENS is dedicated to providing innovative solutions for clean energy generation and hydrogen infrastructure. Their product offerings include various fuel cell models, such as the SIQENS Ecoport and EcoCabinet, which cater to businesses requiring reliable power supply for off-grid and backup applications. The company has been at the forefront of developing solutions for the last-mile hydrogen infrastructure, aiming to make green hydrogen accessible and affordable. SIQENS has also been involved in projects that highlight their technology's application in critical sectors, such as communication networks and emergency power supply. Their approach to using methanol as a hydrogen carrier addresses logistical challenges in the hydrogen economy, showcasing their commitment to advancing the industry.

7. Hyperion Companies, Inc.

• Website: hyperion.inc
• Ownership type: Venture Capital
• Headquarters: Orange, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $700,000, June 2024
• Founded year: 2011
• Headcount: 51-200
• LinkedIn: hyperion-motors

Hyperion Companies, Inc., based in Orange, California, is a venture capital-backed hydrogen technology company founded in 2011. The firm specializes in hydrogen fuel cells and electric power generation, offering innovative solutions aimed at both businesses and consumers. Their flagship products include the xp-1 HyperCELL Fuel Cell module, which utilizes advanced aerospace architecture and high-efficiency membranes, and the xp-1 Surfboard, a unique platform that integrates hydrogen storage technology developed in collaboration with NASA. Hyperion's technology is designed to be versatile, catering to a range of applications from passenger vehicles to commercial transport. The company has recently secured funding, with a notable amount of $700,000 in June 2024, indicating ongoing investment in their hydrogen initiatives. Hyperion's commitment to clean and efficient hydrogen-powered technologies positions them as a relevant player in the regenerative fuel cell sector.

8. Ohmium

• Website: ohmium.com
• Ownership type: Private Equity
• Headquarters: Fremont, California, United States (USA)
• Employee distribution: India 88%, United States (USA) 9%, Other 3%
• Latest funding: July 2024
• Founded year: 2019
• Headcount: 501-1000
• LinkedIn: ohmium

Ohmium International, Inc., founded in 2019 and based in Fremont, California, is a private equity-backed company that focuses on manufacturing green hydrogen through advanced Proton Exchange Membrane (PEM) electrolyzers. With a workforce of around 571 employees, the company operates a gigafactory in India, which is designed to scale hydrogen production efficiently. Ohmium's electrolyzers utilize 100% renewable energy to produce green hydrogen, a versatile resource that can decarbonize various industries, including power generation and transportation. Their innovative modular design allows for easy scaling from megawatts to gigawatts, making them a significant player in the hydrogen production market. Ohmium has also been recognized in TIME's ranking of America's Top GreenTech Companies of 2024, highlighting their relevance and impact in the green technology sector.

9. Infinity Fuel Cell & Hydrogen, Inc.

• Website: infinityfuel.com
• Ownership type: Private
• Headquarters: Windsor, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2002
• Headcount: 11-50
• LinkedIn: infinity-fuel-cell-%26-hydrogen

Infinity Fuel Cell & Hydrogen, Inc., founded in 2002 and based in Windsor, Connecticut, is an energy technology firm that specializes in advanced fuel cell systems and hydrogen generation solutions. The company focuses on providing reliable energy systems for extreme environments, catering to sectors such as aerospace, renewable energy, and unmanned underwater vehicles. Their innovative technologies include Proton Exchange Membrane (PEM) fuel cells and regenerative energy systems, which are designed to meet the needs of organizations requiring efficient and scalable power solutions. Infinity has collaborated with NASA and other U.S. government agencies, achieving key breakthroughs in fuel cell design that enhance performance and reliability. Their XStorra® regenerative fuel cell system exemplifies their commitment to integrating renewable energy with hydrogen generation, showcasing their capability to deliver sustainable energy solutions. Infinity's recent achievements, including successful space flight experiments, further solidify their position as a relevant player in the fuel cell industry.

10. Greenerity GmbH

• Website: greenerity.com
• Ownership type: Private
• Headquarters: Alzenau, Bavaria, Germany
• Employee distribution: Germany 100%
• Founded year: 1997
• Headcount: 51-200
• LinkedIn: greenerity-gmbh

Greenerity GmbH, based in Alzenau, Bavaria, Germany, is a private company founded in 1997. It specializes in hydrogen technology, particularly in the development and manufacturing of membrane electrode assemblies (MEAs) for fuel cells and electrolysis applications. With a workforce of around 88 employees, Greenerity serves clients in the automotive and energy sectors, focusing on enhancing the efficiency and sustainability of energy systems. The company has a strong emphasis on research and innovation, contributing significantly to the advancement of clean energy technologies. Greenerity's MEAs are designed for various applications, including automotive, mobility, combined heat and power (CHP), and electrolysis, showcasing their versatility in the hydrogen economy. Their involvement in projects like H2MARINE highlights their active role in promoting hydrogen technologies and their commitment to a sustainable energy future.

11. Convion

• Website: convion.fi
• Ownership type: Corporate
• Headquarters: Espoo, Uusimaa, Finland
• Employee distribution: Finland 100%
• Latest funding: $80.4M, August 2024
• Founded year: 2012
• Headcount: 11-50
• LinkedIn: convion

Convion Ltd., founded in 2012 and based in Espoo, Finland, is a company dedicated to the development and commercialization of solid oxide fuel cell systems and electrolysers. Their products, such as the Convion C60 and C250e, are designed for high efficiency and reliability, catering to industrial and commercial customers. Convion's technology enables clean and dependable power generation, with a focus on hydrogen production through solid oxide electrolysis. The company has recently gained attention for its successful collaboration with Elcogen, achieving significant milestones in green hydrogen production. In August 2024, Convion secured a substantial investment from HD Korea Shipbuilding & Offshore Engineering, which aims to enhance their capabilities in the hydrogen energy sector. This funding will support Convion's mission to provide innovative energy solutions that contribute to the sustainable energy transition.

12. h2e Power Systems Private Limited

• Website: h2epower.net
• Ownership type: Venture Capital
• Headquarters: Pune, Maharashtra, India
• Employee distribution: India 100%
• Latest funding: Seed, $200,000, February 2015
• Founded year: 2011
• Headcount: 11-50
• LinkedIn: h2e-power

h2e Power Systems Private Limited, based in Pune, Maharashtra, India, is a clean energy company founded in 2011. With a workforce of around 35 employees, the company is backed by venture capital and has a clear focus on innovative technologies for hydrogen production and fuel cell solutions. h2e Power is dedicated to achieving energy independence and sustainability for industrial and commercial clients. Their offerings include green hydrogen production, alternate e-fuels, and advanced power solutions, particularly utilizing solid oxide fuel cell (SOFC) and solid oxide electrolyzer cell (SOEC) technologies. The company aims to provide affordable and reliable energy solutions, contributing to the transition towards a cleaner energy future. They have received seed funding of $200,000 in 2015, which supports their ongoing research and development efforts in the clean energy sector.

13. Elcogen

• Website: elcogen.com
• Ownership type: Venture Capital
• Headquarters: Tallinn, Harju, Estonia
• Employee distribution: Estonia 52%, Finland 48%
• Latest funding: $6.1M, January 2025
• Founded year: 2001
• Headcount: 51-200
• LinkedIn: elcogen

Elcogen, founded in 2001 and based in Tallinn, Estonia, is a manufacturer specializing in solid oxide technology for clean energy solutions. The company produces solid oxide fuel cells (SOFC) and solid oxide electrolysis cells (SOEC), catering to various sectors within the clean energy industry. Their products are designed to support emission-free power generation and facilitate green hydrogen production, addressing the increasing global demand for sustainable energy. Elcogen's technology operates efficiently at lower temperatures, which not only enhances performance but also reduces costs associated with materials and maintenance. The company has received significant funding, including a recent amount of over 6 million euros in January 2025, indicating ongoing investment in their innovative technologies. Elcogen's commitment to decarbonizing multiple industries through their advanced energy solutions positions them as a notable player in the clean energy market.

14. Celadyne Technologies

• Website: celadynetech.com
• Ownership type: Venture Capital
• Headquarters: Lemont, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Seed, $4.5M, February 2024
• Founded year: 2018
• Headcount: 1-10
• LinkedIn: celadyne-technologies

Celadyne Technologies, Inc., founded in 2018 and based in Lemont, Illinois, is a clean energy technology firm dedicated to advancing hydrogen solutions for industrial applications. The company specializes in developing durable fuel cells and efficient electrolyzers, aiming to facilitate the transition to a hydrogen-powered future. Targeting heavy-duty sectors like trucking and shipping, Celadyne's innovative products are designed to reduce carbon emissions and promote sustainable energy practices. Recently, they secured $4.5 million in a seed funding round, which underscores their growth potential and commitment to addressing the challenges of decarbonization. Their team comprises experts in materials science, chemistry, and engineering, all focused on unlocking the full potential of hydrogen as a clean energy source.

15. H2Pro

• Website: h2pro.co
• Ownership type: Venture Capital
• Headquarters: Caesarea, Haifa, Israel
• Employee distribution: Israel 98%, Other 2%
• Latest funding: Other (Grant), April 2023
• Founded year: 2019
• Headcount: 51-200
• LinkedIn: h2pro-ltd

H2Pro, founded in 2019 and based in Caesarea, Israel, is a hydrogen production company that specializes in advanced electrolysis technology. The company is dedicated to making green hydrogen production more affordable and efficient through its innovative E-TAC (Electrochemical-Thermochemical) process. This technology allows for the separation of hydrogen and oxygen production, enhancing safety and operational flexibility. H2Pro targets industries that require sustainable hydrogen solutions, offering modular systems that can scale up to multi-megawatt capacities. The company has garnered attention in the industry, securing funding and partnerships to advance its technology. Notably, H2Pro has been recognized for its potential impact on the hydrogen market, which is expected to grow significantly in the coming years as the world shifts towards decarbonization.

16. Eh Group

• Website: ehgroup.ch
• Ownership type: Venture Capital
• Headquarters: Nyon, Vaud, Switzerland
• Employee distribution: Switzerland 50%, India 42%, United States (USA) 8%
• Latest funding: Seed, $5.5M, January 2022
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: ehgroup-engineering

Eh Group, based in Nyon, Switzerland, is a clean energy company founded in 2017 that specializes in hydrogen fuel cell technologies. The company designs and manufactures fuel cell stacks and systems tailored for various applications, particularly in heavy-duty transportation and backup power solutions. Their innovative approach focuses on creating compact, efficient, and cost-effective fuel cell technologies that can replace traditional diesel engines in sectors where weight and volume are critical. With a workforce distributed across Switzerland, India, and the United States, Eh Group has established a global presence. They have received significant funding, including a seed round in January 2022, which supports their mission to accelerate the deployment of hydrogen fuel cells for a decarbonized future. Their technology is positioned to meet the demands of industries such as maritime, aviation, and heavy-duty vehicles, making them a relevant player in the clean energy transition.

17. H2 Energy

• Website: h2energy.ch
• Ownership type: Corporate
• Headquarters: Zurich, Zurich, Switzerland
• Employee distribution: Switzerland 69%, Hungary 20%, France 6%, Other 6%
• Latest funding: October 2023
• Founded year: 2014
• Headcount: 11-50
• LinkedIn: h2-energy-ag

H2 Energy AG, founded in 2014 and based in Zurich, Switzerland, specializes in hydrogen solutions across the entire hydrogen value chain. The company focuses on the production, distribution, and engineering applications of hydrogen, catering primarily to businesses in the transportation and energy sectors. H2 Energy aims to combat climate change by making hydrogen from renewable energy a cornerstone of the energy system. They are involved in the realization of hydrogen production facilities and refueling stations, ensuring a comprehensive approach to hydrogen infrastructure. Their strategic partnerships, including collaborations with Trafigura for hydrogen ecosystems in Europe and Hyundai for hydrogen-powered vehicles, highlight their commitment to advancing hydrogen technology. H2 Energy's innovative projects, such as the Hydrospider joint venture, further illustrate their active role in the hydrogen economy.

18. Logan Energy Limited

• Website: loganenergy.com
• Ownership type: Venture Capital
• Headquarters: Edinburgh, Scotland, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 100%
• Latest funding: $6.3M, February 2024
• Founded year: 2005
• Headcount: 11-50
• LinkedIn: logan-energy-limited

Logan Energy Limited, based in Edinburgh, Scotland, is a clean energy solutions provider that specializes in hydrogen technologies. Founded in 2005, the company has developed a range of services including hydrogen refueling systems, storage and compression solutions, and sustainable off-grid systems. Their clientele primarily consists of businesses and organizations in sectors such as transportation and utilities, all aiming to transition to cleaner energy sources. Logan Energy has over 25 years of experience in fuel cell systems and has evolved alongside the hydrogen industry, gaining extensive expertise. Recently, they secured £5 million in funding to enhance their systems-led approach in the hydrogen power sector, further solidifying their position in the market. Their projects span various applications, including the development of hydrogen refueling stations and innovative mobile systems, showcasing their commitment to advancing hydrogen as a viable energy solution.

19. H2 Core Systems GmbH

• Website: h2coresystems.com
• Ownership type: Family Owned
• Headquarters: Heide, Schleswig-Holstein, Germany
• Founded year: 2020
• Headcount: 11-50
• LinkedIn: h2-core-ag

H2 Core Systems GmbH, based in Heide, Schleswig-Holstein, Germany, specializes in hydrogen energy solutions. Established in 2020, the company develops, manufactures, and maintains modular systems for hydrogen production, storage, and fuel cells. Their offerings include the HydroCab PowerCore, designed for both indoor and outdoor use, and various Enapter electrolysis systems that cater to different production needs. H2 Core Systems aims to make green hydrogen accessible globally, integrating their systems with renewable energy sources like solar and wind. They have successfully sold over 200 systems across more than 40 countries, showcasing their operational reach and commitment to a sustainable energy future. The company also emphasizes the importance of environmental responsibility, investing in tree planting initiatives to combat climate change.

20. Hydrolite

• Website: hydrolite-h2.com
• Ownership type: Private
• Headquarters: Caesarea, Haifa, Israel
• Employee distribution: Israel 100%
• Founded year: 2016
• Headcount: 11-50
• LinkedIn: pocelltech

Hydrolite, founded in 2016 and based in Caesarea, Haifa, Israel, is a private energy solutions provider that specializes in hydrogen generation and fuel cell technology. The company offers innovative products like the Electrolyzer Hydrogen Generator and Fuel Cell System, which cater to businesses and organizations seeking sustainable energy alternatives. Hydrolite is dedicated to advancing the green hydrogen economy, addressing the growing need for reliable and zero-emission power sources. With a technical team that has over a decade of experience in Anion exchange membrane (AEM) technology, Hydrolite has developed proprietary materials and holds an extensive intellectual property portfolio. Their mission is to become a cost-effective provider of hydrogen-to-electricity and electricity-to-hydrogen conversion devices, contributing to the global shift towards a carbon-free energy future.

21. Hytron - Energy and Specialty Gases

• Website: hytron.com.br
• Ownership type: Corporate
• Headquarters: Sao Paulo, Sao Paulo, Brazil
• Employee distribution: Brazil 100%
• Latest funding: November 2020
• Founded year: 2004
• Headcount: 11-50
• LinkedIn: hytron---hydrogen-technology

Hytron - Energy and Specialty Gases, founded in 2004, is a technology-based company located in São Paulo, Brazil. With a team of experts including PhDs and engineers, Hytron specializes in energy and industrial gases, focusing on innovative solutions that enhance efficiency and reduce costs for various industries. The company has made significant strides in hydrogen production, fuel cells, and photovoltaic systems. They are recognized for their consultancy and project management capabilities, which support businesses in optimizing energy consumption. Hytron has been involved in several notable projects, including the development of hydrogen refueling stations and stationary power generation systems using fuel cells. Their commitment to research and development has positioned them as a key player in the energy sector, particularly in the hydrogen and fuel cell domains.

22. Bramble Energy Limited

• Website: brambleenergy.com
• Ownership type: Venture Capital
• Headquarters: Crawley, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 100%
• Latest funding: Other (Grant), $16.0M, May 2023
• Founded year: 2015
• Headcount: 51-200
• LinkedIn: brambleenergyltd

Bramble Energy Limited, founded in 2015 and based in Crawley, England, is a clean energy technology company that specializes in hydrogen solutions. The firm develops a range of products, including fuel cells, electrolysers, and hydrogen sensors, aimed at various sectors such as automotive, marine, and portable power. Their PCB-X™ platform is a notable innovation, allowing for scalable and customizable fuel cell production. This technology not only enhances the efficiency of manufacturing but also supports the transition to sustainable energy by providing low-cost, zero-emission solutions. Bramble Energy has received significant funding, including a recent grant of over £16 million in May 2023, which underscores their active role in advancing hydrogen technology and their commitment to helping businesses reduce carbon emissions and meet environmental targets.

23. OxEon Energy

• Website: oxeonenergy.com
• Ownership type: Venture Capital
• Headquarters: North Salt Lake, Utah, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Grant), $36.3M, March 2024
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: oxeon-energy

OxEon Energy, founded in 2017 and based in North Salt Lake, Utah, is an energy technology company focused on advanced energy storage and conversion solutions. The company specializes in solid oxide fuel cells (SOFC) and solid oxide electrolysis cells (SOEC), which are crucial for efficient energy production and storage. With a team that boasts over 30 years of experience in solid oxide technology, OxEon has developed ruggedized, hermetic stack designs capable of producing high-purity hydrogen, oxygen, and syngas. Their innovative technologies are aimed at enhancing the integration of renewable energy sources. Notably, OxEon has been involved in significant projects, including the MOXIE program, which successfully demonstrated oxygen production from Martian CO2. The company has also secured substantial funding, including a recent $36 million grant from the U.S. Department of Energy, indicating strong support for their initiatives and potential for future advancements in the energy sector.

24. cellcentric GmbH & Co. KG

• Website: cellcentric.net
• Ownership type: Private
• Headquarters: Kirchheim Unter Teck, Baden-Württemberg, Germany
• Employee distribution: Germany 84%, Canada 16%
• Founded year: 2021
• Headcount: 201-500
• LinkedIn: cellcentric-gmbh-co-kg

cellcentric GmbH & Co. KG, founded in 2021 and based in Kirchheim Unter Teck, Germany, is a private company specializing in the development and production of hydrogen fuel cell systems tailored for heavy-duty vehicles. As a joint venture between Daimler Truck AG and Volvo Group, cellcentric combines over 30 years of expertise in fuel cell technology. The company aims to contribute significantly to sustainable mobility by providing zero-emission energy systems. Their products are designed to meet the rigorous demands of the automotive industry, ensuring high performance and efficiency. With a workforce of approximately 384 employees, cellcentric is actively engaged in the pilot production of fuel cell systems and is preparing for large-scale manufacturing at their future facility in Weilheim, which is expected to be one of the largest fuel cell production sites in Europe. The company holds around 700 patents, reflecting its innovative approach and commitment to advancing fuel cell technology.

25. H2sys

• Website: h2sys.fr
• Ownership type: Private
• Headquarters: Belfort, Bourgogne-Franche-Comté, France
• Employee distribution: France 100%
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: h2sys

H2sys, founded in 2017 and based in Belfort, France, is a private company specializing in hydrogen technology. The firm designs and manufactures hydrogen-based power generation systems, catering to businesses and organizations that are transitioning to low-carbon energy sources. Their product lineup includes mobile and stationary hydrogen generators, as well as PEM fuel cell systems, which are crucial for producing low-carbon electricity. H2sys also offers project integration services, helping clients implement hydrogen technologies effectively. With a workforce of 11-50 employees, the company has established a presence in over 12 countries, showcasing its commitment to promoting hydrogen solutions globally. H2sys has installed more than 1000 kW of products, contributing to a reduction of 1.5 tonnes of CO2 emissions, which highlights their active role in the industry.

26. FC TecNrgy

• Website: fctecnrgy.com
• Ownership type: Private
• Headquarters: Gurugram, Haryana, India
• Employee distribution: India 99%, Other 1%
• Founded year: 2016
• Headcount: 51-200
• LinkedIn: fc-tecnrgy

FC TecNrgy, founded in 2016 and based in Gurugram, Haryana, India, is an energy solutions provider that specializes in fuel cell and sustainable energy technologies. The company offers a range of products, including direct methanol fuel cells (DMFC) and hydrogen fuel cells, alongside energy management systems tailored for various applications. Their clientele spans military organizations, industrial sectors, and consumers seeking reliable energy solutions. FC TecNrgy has made significant strides in the Indian market, being the first company to establish a direct methanol fuel cell market in the country. They have successfully deployed over 800 fuel cell solutions, demonstrating their operational capabilities. The company also emphasizes research and development, focusing on intelligent energy management systems and customized solutions for extreme climates. Their commitment to integrating renewable energy sources into their offerings further underscores their role in promoting sustainable energy practices.

Regenerative Fuel Cells Insights: Key Companies

Company	Headquarter	Size	Founded	Ownership
Nuvera Fuel Cells, LLC	Billerica, Massachusetts, United States (USA)	51-200	2000	Corporate
Horizon Fuel Cell Technologies Pte Ltd	Singapore	201-500	2003	Venture Capital
HyAxiom, Inc.	East Hartford, Connecticut, United States (USA)	201-500	2014	Private Equity
Blue World Technologies	Aalborg, Denmark	51-200	2018	Corporate
FTXT Energy Technology	Shanghai, Shanghai, China	1001-5000	2016	Private
SIQENS GmbH	Flensburg, Schleswig-Holstein, Germany	11-50	2012	Venture Capital
Hyperion Companies, Inc.	Orange, California, United States (USA)	51-200	2011	Venture Capital
Ohmium	Fremont, California, United States (USA)	501-1000	2019	Private Equity
Infinity Fuel Cell & Hydrogen, Inc.	Windsor, Connecticut, United States (USA)	11-50	2002	Private
Greenerity GmbH	Alzenau, Bavaria, Germany	51-200	1997	Private
Convion	Espoo, Uusimaa, Finland	11-50	2012	Corporate
h2e Power Systems Private Limited	Pune, Maharashtra, India	11-50	2011	Venture Capital
Elcogen	Tallinn, Harju, Estonia	51-200	2001	Venture Capital
Celadyne Technologies	Lemont, Illinois, United States (USA)	1-10	2018	Venture Capital
H2Pro	Caesarea, Haifa, Israel	51-200	2019	Venture Capital
Eh Group	Nyon, Vaud, Switzerland	11-50	2017	Venture Capital
H2 Energy	Zurich, Zurich, Switzerland	11-50	2014	Corporate
Logan Energy Limited	Edinburgh, Scotland, United Kingdom (UK)	11-50	2005	Venture Capital
H2 Core Systems GmbH	Heide, Schleswig-Holstein, Germany	11-50	2020	Family Owned
Hydrolite	Caesarea, Haifa, Israel	11-50	2016	Private
Hytron - Energy and Specialty Gases	Sao Paulo, Sao Paulo, Brazil	11-50	2004	Corporate
Bramble Energy Limited	Crawley, England, United Kingdom (UK)	51-200	2015	Venture Capital
OxEon Energy	North Salt Lake, Utah, United States (USA)	11-50	2017	Venture Capital
cellcentric GmbH & Co. KG	Kirchheim Unter Teck, Baden-Württemberg, Germany	201-500	2021	Private
H2sys	Belfort, Bourgogne-Franche-Comté, France	11-50	2017	Private
FC TecNrgy	Gurugram, Haryana, India	51-200	2016	Private

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