Hydrogen fuel cells have moved well beyond laboratory demonstrations and niche applications. Stationary power systems are now being contracted at gigawatt scale to serve AI data centers, while heavy-duty trucks and buses are entering commercial deployment across multiple continents. The technology's ability to generate electricity at high efficiency with only water as a byproduct puts it at the center of industrial decarbonization strategies, energy security planning, and the global push to eliminate fossil fuels from hard-to-abate sectors.
According to BCC Research analysis, the global hydrogen fuel cell market was valued at $5.4 billion in 2025 and is projected to reach $13.1 billion by 2031, expanding at a compound annual growth rate of 17.3% over the 2026–2031 period. That trajectory reflects sustained investment from governments, utilities, and technology companies across every major economy, driven by policy incentives, infrastructure buildout, and accelerating demand from data centers and transport fleets.
The companies shaping this market span a wide range of fuel cell technologies, geographies, and applications — from residential micro-CHP systems in Japan to multi-gigawatt utility contracts in the United States. Below is a look at ten of the most significant players currently active in the industry.
Proton Exchange Membrane Fuel Cells (PEMFC) hold the largest technology share at $2.6 billion in 2025, growing at a 16.1% CAGR, driven by high power density and rapid startup characteristics suited to transport and backup power. Solid Oxide Fuel Cells (SOFC) are the fastest-growing technology at a 19.8% CAGR, reaching $2.0 billion in 2025, propelled by advances in electrolyte materials, fuel flexibility, and high-volume manufacturing partnerships. Phosphoric Acid Fuel Cells (PAFC) generated $486.5 million in 2025 and continue to serve stationary combined heat and power applications where long-duration stability and high-temperature waste heat recovery are priorities.
By application, stationary power dominates with a 66.4% share and $3.6 billion in 2025 revenues. Transport is the fastest-growing application at a 22.3% CAGR as heavy-duty fuel cell trucks and buses scale from pilots to commercial fleets. Asia-Pacific leads all regions with a 52.3% share, anchored by Japan and South Korea's mature programs and China's FCEV fleet exceeding 10,000 vehicles in 2025. North America follows at 25.9%, backed by the U.S. Inflation Reduction Act and $8 billion in hydrogen hub funding. Europe is the fastest-growing region at a 22.0% CAGR, driven by the European Green Deal and broad hydrogen infrastructure investment.
• Headquarters: San Jose, California, U.S.
• Founded: 2001
• Revenue: $2,024.0 million (FY2025)
• Employees: 2,214
• Focus: SOFC systems for on-site power generation, hydrogen electrolyzers, biogas utilization, data center and industrial power solutions
Bloom Energy holds approximately 30% of the global hydrogen fuel cell market as of 2025, with over 1.2 GW of installations deployed across eight countries and an order backlog that grew 140% to $6.0 billion in 2025. Its most consequential recent moves position it directly at the intersection of AI infrastructure and clean energy: a 2.8 GW deployment partnership with Oracle and a contract with American Electric Power for up to 1 GW of capacity, supported by a $600 million credit facility and $75 million in DOE manufacturing tax credits.
• Headquarters: Columbus, Indiana, U.S.
• Founded: 1919
• Revenue: $33,670 million (FY2025)
• Employees: 67,400
• Focus: Engines, power systems, and zero-emissions technologies including fuel cell engines, battery systems, ePowertrain, and electrolyzers under the Accelera brand
Cummins brings the scale of a major industrial manufacturer to the hydrogen space through its Accelera zero-emissions division. The company is advancing 4th-generation fuel cell engines — the FCE150 and FCE300 — for heavy-duty on- and off-highway applications, alongside HyPM-HD PEM fuel cell power modules for medium and heavy-duty mobility. It received $17.9 million in DOE funding for membrane-electrode subassembly development and has established manufacturing capacity in India through its TCPL GES subsidiary for low- and zero-emission technology products.
• Headquarters: Jeollabuk-do, South Korea
• Founded: 2019
• Revenue: $320.2 million (FY2025)
• Employees: 320
• Focus: PAFC and SOFC systems, cogeneration power, fuel cell installation and maintenance, renewable energy integration
Doosan Fuel Cell is South Korea's primary domestic fuel cell systems provider, with particular depth in PAFC technology for stationary power and cogeneration. The company is broadening its application base through an MOU to promote fuel cell solutions for data centers — including waste heat recovery to reduce cooling loads — and a distributed power hybrid system combining fuel cells with gas and hydrogen engines. A long-term maintenance agreement for a 40 MW system worth $73 million through 2046 illustrates the recurring-revenue model it is building around its installed base.
• Headquarters: Danbury, Connecticut, U.S.
• Founded: 1969
• Revenue: $158.2 million (FY2025)
• Employees: 424
• Focus: Molten carbonate and solid oxide fuel cell power generation, carbon capture technology, service contracts, advanced R&D
FuelCell Energy operates differentiated platforms in both molten carbonate and solid oxide technology, with growing emphasis on carbon capture integration and data center power. The company holds 152 U.S. patents, with more than 55 covering solid oxide cell, stack, and system technology. Its international pipeline includes a $160 million agreement for 42 upgraded fuel cell modules in South Korea, while an extended joint development agreement with ExxonMobil and a new partnership targeting coal mine methane for off-grid data center power reflect a focus on high-value, differentiated applications.
• Headquarters: Kyoto, Japan
• Founded: 1959
• Revenue: $13,756.5 million (FY2025)
• Employees: 73,856
• Focus: Electronic components, solutions and core components businesses, SOFC systems for residential applications, storage batteries, solar panels
KYOCERA supplies SOFC cell stacks for Japan's residential ENE-Farm program, one of the world's largest deployments of home-based fuel cell micro-CHP systems. Within its broader energy strategy, the company treats SOFCs alongside storage batteries and solar panels as the three pillars of its energy technology portfolio. KYOCERA operates across Japan, the United States, Europe, China, and broader Asia, providing a geographically diversified base to serve both established and emerging residential energy markets.
• Headquarters: Slingerlands, New York, U.S.
• Founded: 1997
• Revenue: $709.9 million (FY2025)
• Employees: 2,582
• Focus: PEM electrolyzers, hydrogen production and liquefaction, fuel cell systems, industrial mobility, hydrogen fueling infrastructure, stationary power
Plug Power has built one of the broadest integrated hydrogen platforms in the industry, spanning green hydrogen production, liquefaction, cryogenic storage, fueling stations, and fuel cell systems for forklifts and stationary applications. As of 2025, the company has deployed more than 74,000 fuel cell systems and operates more than 275 fueling stations. Current priorities include a $132.5 million asset sale to strengthen the balance sheet, a NASA liquid hydrogen supply contract, a $3/kg IRA production tax credit target, and hydrogen infrastructure expansion across five European countries.
• Headquarters: Tokyo, Japan
• Founded: 1875
• Revenue: $23,086.3 million (FY2024)
• Employees: 95,131
• Focus: Energy solutions, digital infrastructure, devices and technology, pure hydrogen fuel cell systems for commercial and industrial facilities
Toshiba's hydrogen fuel cell activity centers on its H2Rex pure hydrogen systems, designed to produce electricity and heat for commercial facilities, factories, and public infrastructure. In 2024, the company secured a supply order for 500 kW H2Rex systems from Tanaka Kikinzoku Kogyo K.K. for their Shonan Plant. Toshiba is also advancing membrane electrode assembly manufacturing through a technology licensing arrangement with Belgian materials company Bekaert, combining Bekaert's expertise in Porous Transport Layers with Toshiba's iridium-saving technology to reduce platinum group metal costs.
• Headquarters: Tokyo, Japan
• Founded: 1884
• Employees: 78,793
• Focus: Energy systems, gas turbines, SOFC technology and combined-cycle systems, decarbonization technologies including SOEC, CCS/CCUS, and hydrogen and ammonia-fired systems
Mitsubishi Heavy Industries has been developing SOFC technology since the 1980s, with its core differentiation in integrating solid oxide fuel cells with micro gas turbines for high-efficiency combined-cycle power generation. The company's Takasago Hydrogen Park operates a 400 kW solid oxide electrolysis cell test module. In 2026, MHI demonstrated an integrated process converting water, CO2, and electricity into liquid synthetic fuel using SOEC co-electrolysis at its Nagasaki facility, positioning the company at the intersection of power generation efficiency and industrial decarbonization.
• Headquarters: Arnhem, The Netherlands
• Founded: 1998
• Focus: PEM fuel cell solutions and component manufacturing, zero-emission power systems for maritime, mining, remote area power, events, and construction
Nedstack is a European specialist in PEM fuel cell systems targeting markets where zero-emission power must operate in demanding or mobile environments. The company is scaling manufacturing to 1 GW of stack-rated power capacity by 2027. A 2024 contract for the MPU 20-400-AC mobile PEM fuel cell system and a partnership with ZBTS to industrialize PEM production in the Arnhem-Duisburg region reflect a dual focus on product commercialization and regional manufacturing. Bureau Veritas Approval in Principle for its PEMGen 600 containerized system marks a key milestone for maritime clean power.
• Headquarters: Canada
• Focus: PEM fuel cell engines for transportation, membrane electrode assembly and bipolar plate manufacturing, non-precious metal catalyst fuel cell stacks, hydrogen bus and commercial vehicle applications
Ballard Power Systems is among the most established names in transportation-focused PEM fuel cell technology, with particular strength in heavy-duty bus and commercial vehicle applications. In 2026, the company signed a commercial agreement with New Flyer to supply 50 MW of fuel cell engines for hydrogen-powered buses across the United States and Canada. Ballard received $54 million in IRA Section 48C investment tax credits to establish a new factory in Rockwall, Texas, and $40 million in DOE funding for bipolar plate and PEM electrode assembly manufacturing.
The hydrogen fuel cell market is entering a phase of commercial scaling that looks markedly different from the demonstration-project era that preceded it. Contracts measured in gigawatts, manufacturing facilities backed by government tax credits, and maintenance agreements spanning decades all point to an industry building durable infrastructure rather than proving concepts. The ten companies profiled here represent the range of approaches — from vertically integrated hydrogen platforms to specialized component manufacturers and technology licensors.
What stands out across the group is the convergence of two demand signals: the need for reliable stationary power in an AI-driven data center boom, and the accelerating decarbonization of heavy-duty transport. Companies positioned at either or both intersections are attracting the largest capital commitments and the longest-term contracts. As the market moves toward $13.1 billion by 2031, competitive dynamics will be shaped as much by manufacturing scale and supply chain control as by technology differentiation alone.
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