Green Hydrogen Electrolysis Market to Add US$27.79 Billion by 2032 as Refineries, Ammonia Producers, Utilities and EPCs Shift From Hydrogen Announcements to Bankable Industrial Projects

NEW YORK and TOKYO, May 13, 2026 - The global Green Hydrogen Electrolysis for Industrial Decarbonization Market is valued at US$7.48 billion in 2025 and is projected to reach US$35.27 billion by 2032, expanding at a CAGR of 24.80% during 2026-2032, according to Global Reports Store. The forecast represents an additional US$27.79 billion in annual market value and a roughly 4.7x expansion over the period.

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The strongest commercial driver is no longer broad net-zero ambition alone. The market is being shaped by a harder requirement: replacing fossil-based hydrogen already consumed in industrial processes. Refineries, ammonia producers, chemical manufacturers, steelmakers and industrial heat users already understand hydrogen as an operating input. The opportunity is to decarbonize that existing demand with electrolysis-based hydrogen where renewable power, offtake, storage, incentives and project financing can be aligned.

This is why the market is moving away from "future hydrogen economy" messaging and toward industrial decarbonization infrastructure. Buyers are asking different questions now. Can the electrolyzer operate reliably under renewable power variability? Is the project tied to a real offtaker? Does the business case survive current electricity prices and cost of capital? Can the supplier support stacks, balance-of-plant, commissioning, service and performance over decades? These questions are deciding procurement outcomes more than headline capacity announcements.

Global hydrogen demand reached almost 100 million tonnes in 2024, yet low-emissions hydrogen still represented less than 1% of total production. That gap is the core market opportunity. At the same time, the industry is facing a conversion problem: earlier market baselines showed installed electrolysis capacity at only 1.4 GW at the end of 2023, while global manufacturing capacity had already reached around 25 GW per year. The result is a market with strong long-term need but a near-term discipline problem. Supply capability has expanded faster than bankable demand.

Key Developments:

1. Plug Power completed installation of 100 MW of PEM electrolyzers at Galp's Sines refinery.
In January 2026, U.S.-based Plug Power completed installation of all ten arrays of its 100 MW PEM GenEco electrolyzer system at Galp's Sines refinery. Once operational, the system is expected to produce up to 15,000 tonnes of renewable hydrogen per year, replace around 20% of the refinery's grey hydrogen use and cut approximately 110,000 tonnes of annual greenhouse gas emissions. This is important because it shows PEM electrolysis moving into refinery-linked decarbonization at meaningful industrial scale.

2. Japan's JGC and Asahi Kasei began green ammonia production in Namie, Fukushima.
In January 2026, JGC announced the start of green ammonia production at the NAMICS pilot plant in Namie, Fukushima, using hydrogen derived from renewable energy and supplied from the nearby Fukushima Hydrogen Energy Research Field. The demonstration uses hydrogen produced through a 10 MW-class alkaline water electrolysis system and has an ammonia production capacity of 4 tonnes per day. For Japan, this is a practical bridge between green hydrogen production and ammonia as a fuel, chemical feedstock and hydrogen carrier.

3. NEDO added a new SOEC demonstration program with approximately ¥35 billion in support.
In February 2026, NEDO selected a new research theme under Japan's Green Innovation Fund to develop and demonstrate large-scale solid oxide electrolysis cell technology. The program targets SOEC equipment cost below ¥68,000 per kW by 2032 and includes approximately ¥35 billion in NEDO support. This matters because Japan is not only supporting alkaline and PEM technologies; it is also testing high-efficiency SOEC pathways linked to waste heat, industrial process integration and power-plant environments.

4. Nel Hydrogen US won a US$7 million PEM equipment order for a U.S. public utility.
In April 2026, Nel Hydrogen US received a US$7 million purchase order from Douglas County Public Utility District in Washington State. The PEM electrolyzer equipment will be used to produce hydrogen at a public utility, with stacks manufactured at Nel's Wallingford, Connecticut facility and operation expected in the first half of 2027. The development is commercially notable because it positions electrolysis as a grid-balancing and public-utility asset, not only as an industrial hydrogen supply system.

5. A cancelled U.S. 20 MW pilot plant exposed the market's new financial discipline.
In March 2026, thyssenkrupp nucera lowered its green hydrogen outlook, citing higher project costs and the termination of a 20 MW pilot plant contract that a U.S. customer would not finalize because return expectations were no longer sufficient. This is one of the most important signals for executives: the market is not rejecting hydrogen, but it is rejecting weak business cases. Projects with poor power economics, unclear offtake or uncertain returns are being delayed, resized or cancelled.

Market Segmentation: Where Revenue Is Concentrating

By electrolyzer type, alkaline electrolyzers remain the largest technology segment. Global Reports Store estimates that alkaline systems generated US$3.22 billion in 2025, equal to 43.05% of total market revenue, and are projected to reach US$14.47 billion by 2032. Their leadership is tied to maturity, industrial familiarity and lower capital intensity. For ammonia, refining and early hydrogen hub projects, alkaline systems remain attractive where developers prioritize cost, proven operation and large-scale deployment over rapid load flexibility.

PEM electrolyzers generated US$2.47 billion in 2025, representing 33.02% of the market, and are expected to reach US$12.92 billion by 2032. PEM is the fastest strategic segment because it fits projects requiring compact design, high-purity output and stronger responsiveness to renewable power profiles. The Plug-Galp refinery project is a clear example of PEM moving into real industrial decarbonization rather than remaining in small pilot installations.

Solid oxide electrolyzers accounted for US$1.12 billion in 2025, or 14.97% of revenue, and are projected to reach US$5.42 billion by 2032. SOEC remains earlier in commercialization, but its upside is meaningful in Japan, Europe and industrial clusters where waste heat can improve system efficiency. Anion exchange membrane electrolyzers generated US$0.67 billion in 2025, representing 8.96%, and are expected to reach US$2.46 billion by 2032. AEM is still emerging, but it is being watched for potential materials and cost advantages.

By capacity scale, the 10 MW to 100 MW category is the current commercial center of the market, generating US$3.11 billion in 2025, or 41.58% of revenue, and projected to reach US$14.85 billion by 2032. This is the scale range where industrial users can move beyond demonstration while still managing engineering and financing risk. It fits refineries, chemical plants, ports and first-wave hydrogen hubs.

Systems above 100 MW generated US$2.54 billion in 2025, representing 33.96%, and are forecast to reach US$13.54 billion by 2032. This is the future scale battleground. Projects above 100 MW can change the carbon profile of an entire industrial site, but they also require deeper coordination across renewable power, grid connection, water access, storage, offtake, safety and financing. Systems below 10 MW generated US$1.83 billion in 2025, or 24.46%, and are projected to reach US$6.88 billion by 2032, mainly serving distributed industrial users, pilots, mobility nodes and localized hydrogen supply.

By application, ammonia and chemicals represent the largest revenue pool, generating US$2.36 billion in 2025, equivalent to 31.55% of the market, and projected to reach US$10.78 billion by 2032. This segment leads because hydrogen is already a feedstock. Green hydrogen is not trying to create demand from nothing; it is trying to replace the carbon intensity of existing chemical production.

Refining generated US$1.79 billion in 2025, or 23.93%, and is projected to reach US$8.16 billion by 2032. It remains one of the most credible near-term demand anchors because refineries already consume hydrogen at scale. Steel and metals accounted for US$1.38 billion in 2025, representing 18.45%, and are expected to reach US$7.05 billion by 2032. This segment carries strong strategic value because low-carbon steel is becoming a competitiveness issue for exporters, automakers, construction suppliers and governments.

Industrial heat and fuel switching generated US$1.07 billion in 2025, while Power-to-X feedstock represented US$0.88 billion. Both segments have strong long-term potential, but near-term growth will depend heavily on policy support, renewable electricity cost and offtake design.

Regional Analysis:

North America generated US$1.61 billion in 2025, representing 21.52% of global market revenue, and is projected to reach US$7.48 billion by 2032. The United States is the region's commercial center, supported by industrial hydrogen demand, clean hydrogen tax credits, hydrogen hub policy, manufacturing incentives and a growing focus on domestic supply chains.

The U.S. market is becoming more selective. Refining, chemicals, synthetic fuels, public utilities and industrial clusters remain attractive, but project developers are now being judged on electricity price exposure, offtake certainty and return visibility. The most effective sales model is shifting toward full project economics: levelized cost of hydrogen, stack durability, service guarantees, project financing support, and integration with renewable power and storage. The Nel public utility order in Washington also shows a less-discussed U.S. opportunity: electrolysis can help utilities absorb surplus renewable or hydroelectric power while creating a flexible hydrogen product.

Asia-Pacific generated US$2.13 billion in 2025, accounting for 28.48% of global revenue, and is expected to reach US$10.34 billion by 2032. China dominates manufacturing scale, with around 60% of global electrolyzer manufacturing capacity and roughly 65% of installed or final-investment-decision electrolysis capacity. However, Japan remains strategically important because it is building a hydrogen and ammonia ecosystem around industrial competitiveness, energy security and technology exports.

Japan's market is not primarily about cheap hydrogen production at home. It is about building technology, supply chains and utilization pathways that support a broader hydrogen society. The country's 7th Strategic Energy Plan moved the discussion toward public implementation, while support mechanisms are being prepared across production, transport, storage and utilization. Japan's water electrolysis program under the Green Innovation Fund has a budget ceiling of ¥107.05 billion, with an expected long-term economic effect of around ¥4.4 trillion and a stated CO2 reduction effect of approximately 1.52 billion tonnes per year in the 2050 target framework.

Japan's strongest near-term opportunities sit in alkaline electrolysis, SOEC, green ammonia, industrial heat, hydrogen carriers and integrated plant control. The JGC-Asahi Kasei green ammonia demonstration shows the type of project Japan is likely to prioritize: not standalone hydrogen production, but hydrogen connected to chemical synthesis, ammonia use, thermal power stations and future Asian supply chains.

Company Profiles

Plug Power
Plug Power is one of the most visible U.S. companies in the green hydrogen electrolysis market because it combines electrolyzer technology, hydrogen production, fuel cells and hydrogen supply infrastructure. In 2025, the company reported more than US$700 million in revenue and achieved positive gross margin in the fourth quarter, marking an important operational milestone after several years of profitability pressure.

Its 100 MW PEM GenEco installation at Galp's Sines refinery gives Plug a strong industrial reference in refinery decarbonization. The project is not just a technology showcase; it demonstrates delivery of ten electrolyzer arrays into an operating energy site. Plug's opportunity is strongest where buyers want PEM systems linked to renewable hydrogen production, industrial use, and a supplier with experience across equipment and hydrogen operations.

Nel ASA
Nel remains one of the most important pure-play electrolyzer companies, with both alkaline and PEM technology. In 2025, Nel reported revenue of NOK 963 million, order intake of NOK 1,126 million, and an order backlog of NOK 1,319 million. Revenue declined from 2024, reflecting the difficult market environment, but its PEM business saw higher revenue, and the company continued investing in next-generation technology.

Nel's 2026 commercial launch of a next-generation pressurized alkaline platform is strategically important because it addresses one of the market's biggest pain points: total system cost. The company estimates turnkey full-scope cost below US$1,450 per kW for a 25 MW plant and expects system CAPEX reductions of 40%-60% compared with many market solutions. Its U.S. order from Douglas County Public Utility District also positions Nel in a practical grid-balancing hydrogen use case.

thyssenkrupp nucera
thyssenkrupp nucera remains a major industrial electrolysis supplier because of its deep alkaline electrolysis heritage and strong exposure to large industrial hydrogen projects. In fiscal 2024/2025, the company reported €845 million in sales and €2 million in EBIT. Its green hydrogen segment generated €459 million in sales, while its chlor-alkali business provided a more stable earnings base.

The company's March 2026 outlook revision is important for the wider market because it shows the pressure on early large-scale electrolyzer suppliers. Higher optimization costs and the cancelled U.S. 20 MW pilot contract underline the transition from subsidized enthusiasm to return-based decision-making. For customers, thyssenkrupp nucera's value lies in industrial execution, alkaline scale and process-market experience. For the market, it is also a warning that suppliers must price risk, service obligations and performance guarantees carefully.

Siemens Energy
Siemens Energy is positioned across power systems, industrial transformation, grid technologies and hydrogen solutions. Its 2025 annual report showed total revenue of approximately €39.08 billion and an order backlog of €138 billion, giving it a large industrial base behind its energy transition portfolio.

In green hydrogen, Siemens Energy's Elyzer PEM portfolio and its joint electrolyzer manufacturing work with Air Liquide are central to its market role. The company's strength is not only in electrolyzer equipment; it can connect electrolysis with power systems, industrial sites, grid infrastructure, service capabilities and large project execution. That makes Siemens Energy relevant for customers that want hydrogen as part of a wider decarbonization architecture rather than as a standalone machine purchase.

Competitive Landscape

Key players in the market include Nel ASA, Siemens Energy, ITM Power, Plug Power, Cummins Inc., Air Liquide, thyssenkrupp nucera, Bloom Energy, McPhy Energy and John Cockerill.

The competitive landscape is becoming polarized. Scaled manufacturers are trying to win through cost reduction, bankability and service support. Industrial gas companies and EPC-linked players are trying to control the project interface. Technology specialists are competing on efficiency, stack design, pressure, modularity and response to renewable power. Newer entrants are targeting AEM, SOEC and next-generation materials.

The commercial ecosystem includes energy companies, industrial producers, utilities, EPC and project developers, electrolyzer manufacturers, renewable power developers, storage providers, public agencies, certification bodies and industrial offtakers. The companies that win will be those that make hydrogen projects financeable, not just technically possible.

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Analyst View

Global Reports Store believes the green hydrogen electrolysis market is entering a more disciplined but more investable phase. The early market rewarded announcements. The next phase will reward project conversion, cost-down execution, industrial offtake and reliability.

The strongest lead-generation message for this market should focus on industrial hydrogen substitution, refinery decarbonization, ammonia and chemicals, steel and metals, utility grid balancing, Power-to-X, supply-chain localization, electrolyzer service models and LCOH reduction. Decision-makers want fewer slogans and more evidence: signed offtake, firm financing, equipment warranties, credible service plans, stable policy support and transparent cost assumptions.

The projected rise from US$7.48 billion in 2025 to US$35.27 billion by 2032 should be read as a shift from hydrogen aspiration to industrial project execution. Green hydrogen will scale where it is tied to real demand, low-cost clean power, durable policy, proven equipment and disciplined EPC delivery. The companies that can bring those pieces together will capture the next wave of value.

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