Green Hydrogen Electrolyzer Market 2031 - Clean Energy Transition & Hydrogen Economy Push Global Value to $17.9 Billion

Market Size and Growth

Global Green Hydrogen Electrolyzer Market reached US$ 2.20 billion in 2023 and is expected to reach US$ 17.9 billion by 2031, growing with a CAGR of 29.9% during the forecast period 2024-2031.

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Key Development and Recent Mergers and acquisitions:

United States: Recent Green Hydrogen Electrolyzer Developments

✅ In November 2025, the U.S. hydrogen sector reported steady momentum in modular electrolyzer deployment across clean-hydrogen hubs, with several developers confirming ongoing commissioning of PEM systems. The focus remained on scaling local production capacity. Activity highlighted strong industry preparation for 2026 hydrogen-hub rollouts.

✅ In October 2025, U.S. clean-energy developers emphasized integration of next-gen electrolyzers into industrial decarbonization projects. Stakeholders noted growing demand for low-carbon hydrogen but fewer newly announced commercial electrolyzer manufacturing projects this month. Industry attention centered on federal incentives and regulatory clarity.

✅ In September 2025, as part of the same transaction, Electric Hydrogen entered a strategic financing partnership with Generate Capital to deploy up to $400 million for global hydrogen projects.

✅ In September 2025, multiple U.S. companies advanced pilot-scale electrolyzer installations tied to mobility and refinery transition programs. Manufacturers reported rising orders for PEM stacks as project developers accelerated procurement timelines. The month marked increased alignment with DOE hydrogen-hub planning.

✅ In September 2025, Electric Hydrogen (a U.S. PEM-electrolyzer manufacturer) acquired Ambient Fuels, a project developer for green hydrogen. The deal brings Ambient's pipeline under Electric Hydrogen's control, expanding its development footprint.

✅ In August 2025, U.S. renewable-energy groups highlighted strong progress on modular PEM electrolyzer units designed for distributed green-hydrogen production. Several ongoing hub-related projects moved into early construction and testing phases. Developers emphasized improved system efficiency and cost reduction.

Japan: Recent Green Hydrogen Electrolyzer Developments

✅ In October 2025, Asahi Kasei announced a major expansion of its Kawasaki Works to produce large-scale alkaline electrolyzer components including membranes and cell frames. The upgrade elevates Japan's domestic manufacturing capacity. The initiative supports the country's long-term green-hydrogen supply-chain strategy.

✅ In October 2025, Japan approved Asahi Kasei's facility expansion under its national GX supply-chain program. This move accelerates domestic electrolyzer component production. The approval reinforces Japan's commitment to developing homegrown hydrogen-production technologies.

✅ In September 2025, thyssenkrupp Nucera (global electrolyzer tech provider) completed the acquisition of key technology assets from "Green Hydrogen Systems," fortifying its intellectual property and tech stack in electrolysis.

✅ In September 2025, Asahi Kasei confirmed delivery plans for its containerized AqualyzerTM-C3 1 MW alkaline-water electrolyzer for a hydrogen-mobility deployment in Europe. The project highlights the global adoption of Japanese electrolyzer technologies. Shipment and integration are scheduled for late-2025 to early-2026.

✅ In August 2025, Japan continued reinforcing its electrolyzer supply chain as Asahi Kasei advanced new production lines for alkaline-electrolyzer parts. The move responded to rising demand for large-scale green-hydrogen systems. The initiative strengthens Japan's export potential for hydrogen technology.

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Key Players:

=> Bloom Energy, Cummins Inc., Green Hydrogen Systems, H-TEC SYSTEMS GmbH, Hysata, ITM Power PLC, Nel ASA, Next Hydrogen, Ohmium and Siemens AG.

Key Segments:

By Type
PEM electrolyzers lead with 48% share due to high efficiency and fast response for renewables. Alkaline systems hold 42%, supported by low cost and industrial maturity. Solid oxide electrolyzers make up 10%, gaining traction for high-temperature, large-scale hydrogen production.

By Capacity
High-capacity systems (>2,000 kW) dominate with 45% share, driven by utility and industrial hydrogen projects. Medium systems (500-2,000 kW) hold 35%, used in chemical and mobility applications. Low-capacity units (less then 500 kW) account for 20%, mainly for pilots and distributed generation.

By Application
Power plants lead with 25% share as hydrogen supports storage and grid stability. Electronics/PV account for 18%, followed by steel plants at 17% for decarbonization. Industrial gases hold 15%, FCEV fueling/energy storage 12%, power-to-gas 8%, and others 5%.

By Sustainability Analysis
Environmental analysis leads with 40%, reflecting carbon reduction focus. Economic analysis holds 35% for LCOH optimization, while governance analysis contributes 25% with regulatory and safety compliance.

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By Region

Europe - 35% leads with strong hydrogen policies and investments.

North America - 30% driven by large renewable hydrogen projects.

Asia-Pacific - 25% supported by rising industrial and mobility demand.

South America - 5% emerging hubs in Chile and Brazil.

Middle East & Africa - 5% fueled by mega green hydrogen initiatives.

FAQ

What is the current size of the Green Hydrogen Electrolyzer Market?

A: In 2023, the Green Hydrogen Electrolyzer Market was valued at US$ 2.20 billion , reflecting its strong industry presence.

Q2: How large is the Green Hydrogen Electrolyzer Market expected to be by 2031?

A: By 2031, industry forecasts suggest the Green Hydrogen Electrolyzer Market will grow to around US$ 17.9 billion , demonstrating significant expansion.

Q3: What is the growth rate of the Green Hydrogen Electrolyzer Market?

A: The market is projected to expand at a compound annual growth rate (CAGR) of 29.9% during the forecast period from 2024 to 2031.

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Company Name: DataM Intelligence
Contact Person: Sai Kiran
Email: Sai.k@datamintelligence.com
Phone: +1 877 441 4866
Website: https://www.datamintelligence.com

About Us -

DataM Intelligence is a Market Research and Consulting firm that provides end-to-end business solutions to organizations from Research to Consulting. We, at DataM Intelligence, leverage our top trademark trends, insights and developments to emancipate swift and astute solutions to clients like you. We encompass a multitude of syndicate reports and customized reports with a robust methodology.

Our research database features countless statistics and in-depth analyses across a wide range of 6300+ reports in 40+ domains creating business solutions for more than 200+ companies across 50+ countries; catering to the key business research needs that influence the growth trajectory of our vast clientele.

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