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Water Electrolysis Market Growth Potential: How Will Market Size Shift Through 2030?
The water electrolysis market size has seen substantial growth recently. It will grow from $8.46 billion in 2025 to $9.26 billion in 2026 at a compound annual growth rate (CAGR) of 9.4%. The expansion observed in the historic period is linked to the rising demand for industrial hydrogen, the accessibility of grid-connected electricity, the initial adoption of alkaline electrolysis technology, the development of the chemical and refining industries, and early efforts in renewable energy integration.
The water electrolysis market is projected for significant expansion over the coming years. It is anticipated to reach $13.16 billion in 2030, demonstrating a compound annual growth rate (CAGR) of 9.2%. This anticipated growth during the forecast period can be attributed to several factors, including increased investments in the hydrogen economy, stricter government goals for decarbonization, the expansion of renewable energy generation capacity, the wider uptake of hydrogen in transportation and energy storage applications, and the ongoing decrease in electrolyzer expenses. Key trends predicted for this period encompass the development of more green hydrogen production initiatives, the increasing prevalence of PEM and alkaline electrolyzers, greater integration with renewable power sources, an intensified emphasis on enhancing electrolyzer efficiency, and the implementation of large-scale industrial electrolysis setups.
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Water Electrolysis Market Demand Drivers Opening New Revenue Streams
The increasing need for hydrogen generation is projected to drive the expansion of the water electrolysis market in the future. Hydrogen generation refers to the process of creating hydrogen gas using various methods such as electrolysis, steam methane reforming, and biomass gasification. This production is propelled by the growing emphasis on reducing carbon emissions and transitioning to cleaner energy sources. Water electrolysis contributes to hydrogen production by utilizing electricity to split water into hydrogen and oxygen, thereby offering a clean and sustainable means to generate hydrogen fuel, especially when powered by renewable energy sources. For instance, in October 2024, according to the International Energy Agency (IEA), a France-based intergovernmental organization, hydrogen production reached 97 million tonnes in 2023, of which less than 1% was produced through low-emissions pathways. The IEA also reported that installed water-electrolyser capacity rose to 1.4 GW by the end of 2023 and is expected to reach 5 GW by the end of 2024, with China accounting for nearly 70% of the committed additions. Therefore, the expanding demand for hydrogen production is propelling the growth of the water electrolysis market.
Water Electrolysis Market Segment Landscape And Growth Outlook
The water electrolysis market covered in this report is segmented –
1) By Product Type: Alkaline Electrolyzer, Proton Exchange Membrane (PEM) Electrolyzer, Solid Oxide Electrolyzer Cell (SOEC), Anion Exchange Membrane (AEM) Electrolyzer
2) By Input Power: Below 2 kW, 2 kW – 5 kW, Above 5 kW
3) By Hydrogen Production: Below 500 L/hr, 500 – 2000 L/hr, Above 2000 L/hr
4) By End-User Applications: Ammonia Production, Methanol Production, Refining Industry, Power and Energy Storage, Transportation Or Mobility Industry, Other End User Applications
Subsegments:
1) By Alkaline Electrolyzer: Liquid Alkaline Electrolyzers, Pressurized Alkaline Electrolyzers, High-Temperature Alkaline Electrolyzers
2) By Proton Exchange Membrane (PEM) Electrolyzer: Low-Temperature PEM Electrolyzers, High-Temperature PEM Electrolyzers, Compact PEM Electrolyzers
3) By Solid Oxide Electrolyzer Cell (SOEC): Intermediate Temperature SOEC, High-Temperature SOEC, SOEC with Integrated Heat Recovery
4) By Anion Exchange Membrane (AEM) Electrolyzer: AEM Electrolyzers for Water Splitting, High-Performance AEM Electrolyzers, AEM Electrolyzers with Improved Durability
Water Electrolysis Market Trends: What’s Defining The Industry’s Next Phase?
Leading companies in the water electrolysis market are concentrating on developing novel products, such as proton exchange membrane (PEM) water electrolyzers, to boost hydrogen production efficiency and lower energy consumption. Proton exchange membrane (PEM) water electrolyzers are devices that employ a solid polymer electrolyte to electrochemically divide water into hydrogen and oxygen, delivering high efficiency and adaptability in hydrogen generation. For example, in March 2024, Sungrow Power Supply Co. Ltd., a manufacturing firm from China, released its 300Nm³/h PEM Water Electrolyzer. This 300Nm³/h PEM Water Electrolyzer yields 300Nm³ of hydrogen per hour with considerable efficiency, requiring less than 4.15kWh/Nm³. It is engineered for versatile hydrogen production utilizing renewable energy sources, guaranteeing optimal functioning in changing environments.
Water Electrolysis Market Competitive Landscape: Who Leads The Industry?
Major companies operating in the water electrolysis market are Robert Bosch GmbH, ThyssenKrupp AG, Siemens Energy AG, Linde AG, Toshiba Energy Systems & Solutions Corporation, Cummins Inc., Sungrow Power Supply Co. Ltd., LONGi Green Energy Technology Co. Ltd., Plug Power Inc., Sunfire GmbH, Nel ASA, Ohmium International Inc., Shandong AUYAN New Energy Technology Co. Ltd., HydrogenPro ASA, Ceres Power Holdings plc, McPhy Energy SA, Horizon Fuel Cell Technologies Pte Ltd, ITM Power PLC, Giner ELX Inc., SES Hydrogen, Enapter AG, Elogen SAS, Next Hydrogen Solutions Inc., CAPLINQ Corporation, GreenH Electrolysis
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Water Electrolysis Market Largest Region: Which Geography Holds The Biggest Share?
Europe was the largest region in the water electrolysis market in 2025. North America is expected to be the fastest-growing region in the forecast period. The regions covered in the water electrolysis market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East and Africa.
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Wasay has over a decade of experience in market research, data modelling, and analytics, with prior experience at GlobalData and Decision Tree Consulting Services. At The Business Research Company , he leads research operations across syndicated studies, customized consulting engagements, and the Global Market Model platform. His professional experience includes supporting organizations such as Boston Consulting Group, KPMG, and Ernst & Young. Wasay holds a degree in Electronics and Communications Engineering, postgraduate management qualifications from International Management Institute Belgium and Indian School of Business and Entrepreneurship, and completed the Integrated Program in Business Analytics from Indian Institute of Management Indore.
