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Hydrogen generator market is currently characterized by the strong incumbency of on-site steam reformers in industrial settings, while a powerful global shift toward decarbonization and energy independence fuels rapid growth in decentralized, electrolysis-based green hydrogen production.
Chicago, Aug. 11, 2025 (GLOBE NEWSWIRE) — The global hydrogen generator market was valued at US$ 788.98 million in 2024 and is projected to reach US$ 1,475.09 million by 2033, growing at a CAGR of 7.2% during the forecast period 2025–2033.
The global hydrogen generator market is entering an unprecedented phase of accelerated growth, transitioning from a niche sector to a cornerstone of the future energy landscape. This transformation is fueled by a global imperative to decarbonize, backed by massive government investments and bold corporate strategies. The numbers speak for themselves; the pipeline of low-emission hydrogen projects reaching a final investment decision (FID) doubled from 1.7 million tons in 2023 to a substantial 3.4 million tons in 2024. Furthermore, the cumulative global total of green hydrogen projects achieving FID soared to an impressive 20 GW as of October 2024. This momentum is palpable, with approximately 6.5 GW of these projects reaching this critical stage in the 12 months leading up to October 2024 alone.
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These newly confirmed projects are projected to produce a significant 1.9 million tons of green hydrogen annually by 2030, signaling a robust and tangible supply chain in development. The sheer scale of ambition and capital flowing into the hydrogen generator market underscores its pivotal role in building a sustainable and resilient global energy system for the 21st century. It is a sector brimming with opportunity and poised for explosive expansion.
Key Findings in Hydrogen Generator Market
Market Forecast (2033)
US$ 1,475.09 million
CAGR
7.2%
Top Drivers
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Government regulations on greenhouse gas emissions propel clean hydrogen adoption.
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Rising global focus on integrating diverse renewable energy production sources.
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Urgent need to reduce industrial dependency on conventional energy sources.
Top Trends
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Continuous technological innovations and advancements in electrolysis-based generator technologies.
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Integration of artificial intelligence to optimize hydrogen production and management.
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Growing use of hydrogen as a critical medium for large-scale energy storage.
Top Challenges
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Substantial production costs remain a significant barrier for green hydrogen.
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Underdeveloped infrastructure for hydrogen transportation, distribution, and widespread storage.
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Massive renewable energy capacity is required to power green hydrogen production.
Governments Worldwide are Pouring Billions into Hydrogen Economy Development
Unprecedented government funding is acting as a powerful catalyst for the hydrogen generator market. In the United States, the Department of Energy has committed a staggering $7 billion to establish seven regional clean hydrogen hubs. This includes awards of up to $2.2 billion to two hubs in late 2024, with the Gulf Coast and Midwest hubs set to receive up to $1.2 billion and $1 billion respectively. The DOE also announced a $62 million investment in next-generation technologies in August 2024, including $40 million for four new fueling station projects and $8.5 million for advanced component development.
Across the Atlantic, the European Union approved €992 million for 15 renewable projects in May 2025. The REPowerEU plan added €200 million to double the number of Hydrogen Valleys by 2025, and the Clean Hydrogen Partnership’s 2025 call for proposals had a budget of €184.5 million. The European Hydrogen Bank will hold another auction in late 2025, offering €1 billion to developers. Meanwhile, India’s Ministry of New & Renewable Energy has a budgetary outlay of ₹496 crore (around $59 million) through 2026 for transport pilot projects.
Corporate Titans are Aggressively Scaling Production Capacity to Meet Demand
Key players in the hydrogen generator market are rapidly expanding their manufacturing capabilities. Norwegian firm Nel ASA is investing approximately NOK 260 million (about $25 million) to expand its PEM electrolyzer facility in Connecticut, targeting a 500 MW annual production capacity by 2025. Its Herøya facility in Norway is set to reach a 1 GW annual capacity in April 2024, with plans for a new U.S. Gigafactory boasting a potential capacity of up to 4 GW. UK-based ITM Power showcases similar ambition, with a contracted order backlog worth a healthy £135.3 million as of early 2025. The company has secured a significant 500 MW capacity reservation for its electrolyzer stacks from one customer until the end of 2028. Reinforcing this momentum, Shell reserved 100 MW of ITM’s TRIDENT stacks for manufacture between 2025 and 2026. Shortly after launching its new 5MW Neptune V containerized electrolysers in May 2024, ITM Power promptly sold four units, signaling strong market reception.
A Powerful Project Pipeline Signals Unwavering Confidence in the Market
The global project pipeline is swelling, with a surge in final investment decisions. By the end of 2024, global installed electrolyzer capacity is projected to hit 5 GW. A remarkable testament to this growth occurred in July 2024, when six European hydrogen projects reached FID in a single month, representing nearly 1 GW of capacity. Major projects are advancing, including the 280 MW EWE AG project in Germany, expected online by 2027, and bp’s 200 MW Castellón Refinery project in Spain, operational by 2026. The OranjeWind offshore wind farm will power 350 MW of electrolyzer capacity, becoming fully operational by 2028. These large-scale projects are crucial for the evolving hydrogen generator market.
Hydrogen Production Volumes Set for A Monumental Increase Globally
The real-world output of green hydrogen is scaling up significantly. In the U.S., Plug Power and Olin Corporation’s joint venture in Louisiana will produce 15 tons of green hydrogen daily starting in 2025, with Plug Power aiming for a total liquid green hydrogen output of 500 tons per day by the end of that year. Air Products and AES Corporation’s massive $4 billion Texas facility will produce over 200 metric tons of green hydrogen daily from 2027. Smaller, strategic projects are also contributing; Invenergy’s Illinois plant will produce 52 tons per year from 2025, and Avina Clean Hydrogen’s new California facility will add up to 4 metric tons per day. On a grander scale, the Hydrogen City project in South Texas plans to produce an enormous 280,000 tons annually from a 2.2 GW electrolyzer plant, a landmark development for the hydrogen generator market.
A Thriving Startup Ecosystem is Attracting Significant Venture Capital Investment
Innovation in the hydrogen generator market is being driven by a dynamic startup scene attracting massive investment. In the first four months of 2024 alone, hydrogen technology startups pulled in over $1 billion in venture capital. By September 2024, at least 23 startups had raised over $1.4 billion in equity funding for the year. Notable rounds include a $110 million Series B for Australian electrolyzer developer Hysata in May 2024 and a huge $246 million Series B for geologic hydrogen firm Koloma in early 2024, which brought its total funding to $403 million by July 2025. France’s HysetCo, which manages a fleet of over 500 hydrogen vehicles and distributes nearly 30 tons of hydrogen monthly, raised $216 million in April 2024. Meanwhile, ZeroAvia, developing hydrogen-electric aircraft engines, extended its Series C funding to $150 million in September 2024.
The Race for Technological Supremacy is Evident in Patent Filings
The intense competition and innovation in the hydrogen generator market are reflected in patent activity. In the third quarter of 2024, a remarkable 1,558 hydrogen-related patent applications were filed within the oil and gas industry. Industry giants Toyota Motor and Air Liquide led the charge, each filing 34 patents, closely followed by Kawasaki Heavy Industries with 31 and Johnson Matthey with 22. The power industry saw 403 hydrogen-related patent applications in the same quarter. Here, Mitsubishi Heavy Industries led with 16 filings, while Siemens Energy filed 14. This flurry of R&D is producing tangible results; for instance, the Multi-SOFC project in Germany, a collaboration involving Hydrogenious and Bosch, aims to slash a hospital’s carbon emissions by up to 40% in 2025, showcasing the practical application of advanced hydrogen technology.
Global Refueling Infrastructure is Expanding to Support Hydrogen Mobility Growth
A critical enabler for hydrogen mobility is the expansion of the global refueling network. By the end of 2024, approximately 1,160 hydrogen refueling stations were operational worldwide, with around 125 new stations having opened during the year. Asia leads with 748 stations, dominated by China with 384, followed by South Korea with 198 and Japan with 161. Europe had 294 stations, with Germany leading the continent at 113 locations, followed by France with 65. An alternative count from Interact Analysis puts the total at 1,369 deployed stations by year-end 2024. Looking ahead, there are concrete plans for at least 377 new station locations outside of China as of early 2025. Projections estimate a global total of 1,562 stations will be operating by 2025, bolstering the broader hydrogen generator market.
Market Concentration and Complex Economic Realities are Shaping the Industry
While the market is growing, certain players are capturing significant business. ITM Power’s revenue for the first half of its 2025 fiscal year reached £15.5 million ($19.3 million), just shy of its entire 2024 fiscal year earnings. The company also dramatically improved its factory acceptance test pass rate from under 50% in 2023 to 98% in early 2025. Concentration is also visible in innovation, where the top five companies in oil and gas accounted for 9% of hydrogen patenting activity in Q3 2024, and the top five in power were responsible for 14%. However, economic hurdles remain. Despite a potential $3/kg U.S. subsidy, the average cost of green hydrogen remains high at $5/kg, compared to just $0.5/kg for grey hydrogen. The EU, which needs up to €470 billion in investments to meet its 2030 targets, has only disbursed €3 billion of its €21.4 billion in committed funds as of early 2025. This shows the financing gap in the hydrogen generator market.
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Ambitious Regional Targets and Current Market Challenges Define the Future
Regional ambitions are high, but the path forward has challenges. The EU aims to produce 10 million tonnes of renewable hydrogen and import another 10 million tonnes by 2030, yet by early 2024, it had installed just 200 MW of electrolyzer capacity, only 3% of its interim goal. In contrast, China is a manufacturing powerhouse, accounting for 40% of the global electrolyzer supply as of September 2024. India’s National Green Hydrogen Mission is targeting 5 MMT of production capacity by 2030, and the Intermountain Power Project in Utah plans to run on a 30% hydrogen blend by 2025.
Despite this progress, project execution remains a hurdle. As of May 2024, less than 7% of announced global capacity had passed FID, with another report in April 2025 putting the figure at just 4% for 2024. Furthermore, one in four European projects faced delays or cancellation by mid-2025. Still, with Nel anticipating “multiple gigawatts” of capacity reaching FID before the end of 2025, the hydrogen generator market is poised to overcome these growing pains.
Hydrogen Generator Market Major Players:
Key Market Segmentation:
By Process
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Electrolysis
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Steam Reforming
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Others
By Product
By Application
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Petroleum Recovery
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Chemical Processing
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Refinery
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Fuel Cells
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Others
By Region
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North America
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Europe
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Asia Pacific
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Middle East & Africa
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South America
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