How large is the water electrolysis market, and what is its growth trajectory?
The water electrolysis market size has grown strongly in recent years. It will grow from $7.81 billion in 2024 to $8.59 billion in 2025 at a compound annual growth rate (CAGR) of 10.0%. The growth in the historic period can be attributed to rising environmental concerns, use of hydrogen in sustainable agriculture practices, the increasing need for hydrogen in industrial processes, the construction and expansion of water electrolysis facilities, and the growing recognition of hydrogen’s benefits.
The water electrolysis market size is expected to see strong growth in the next few years. It will grow to $12.44 billion in 2029 at a compound annual growth rate (CAGR) of 9.7%. The growth in the forecast period can be attributed to the growing need for environmentally friendly hydrogen, supportive policies and subsidies from governments, expansion of renewable energy sources, investments in hydrogen infrastructure, and decreasing costs of electrolyzers. Major trends in the forecast period include Advancements in electrolyzer materials, power-to-x technologies, hybrid systems, automation and control systems, and integration with carbon capture technologies.
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What are the key forces behind the water electrolysis market’s growth in recent years?
The rising demand for hydrogen production is expected to propel the growth of the water electrolysis market going forward. Hydrogen production refers to the process of generating hydrogen gas through various methods such as electrolysis, steam methane reforming, and biomass gasification. Hydrogen production is driven by the growing global emphasis on reducing carbon emissions and transitioning to cleaner energy sources. Water electrolysis helps in hydrogen production by using electricity to split water into hydrogen and oxygen, providing a clean and sustainable way to generate hydrogen fuel, especially when powered by renewable energy sources. For instance, in July 2023, according to the International Energy Agency, a France-based intergovernmental organization, low-emission hydrogen production made up less than 1% of total hydrogen output in 2022, despite a 5% increase from 2021, reflecting gradual progress towards cleaner hydrogen production. Therefore, the rising demand for hydrogen production is driving the growth of the water electrolysis market.
What are the major segments of the water electrolysis market?
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) Alkaline Electrolyzer: Liquid Alkaline Electrolyzers; Pressurized Alkaline Electrolyzers; High-Temperature Alkaline Electrolyzers
2) Proton Exchange Membrane (PEM) Electrolyzer: Low-Temperature PEM Electrolyzers; High-Temperature PEM Electrolyzers; Compact PEM Electrolyzers
3) Solid Oxide Electrolyzer Cell (SOEC): Intermediate Temperature SOEC; High-Temperature SOEC; SOEC with Integrated Heat Recovery
4) Anion Exchange Membrane (AEM) Electrolyzer: AEM Electrolyzers for Water Splitting; High-Performance AEM Electrolyzers; AEM Electrolyzers with Improved Durability
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Which companies dominate the water electrolysis market?
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., KTH Royal Institute of Technology, 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
How will emerging trends drive the water electrolysis market throughout the forecast period?
Major companies operating in the water electrolysis market are prioritizing the development of innovative products, such as proton exchange membrane (PEM) water electrolyzers to enhance hydrogen production efficiency and reduce energy consumption. Proton exchange membrane (PEM) water electrolyzers refer to devices that use a solid polymer electrolyte to separate water into hydrogen and oxygen through an electrochemical process, offering high efficiency and flexibility in hydrogen production. For instance, in March 2024, Sungrow Power Supply Co. Ltd., a China-based manufacturing company, launched 300Nm³/h PEM Water Electrolyzer. The 300Nm³/h PEM Water Electrolyzer generates 300Nm³ of hydrogen per hour with high efficiency, consuming less than 4.15kWh/Nm³. It is designed for flexible hydrogen production using renewable energy sources, ensuring optimal operation in dynamic scenarios.
What are the key regional dynamics of the water electrolysis market, and which region leads in market share?
Europe was the largest region in the water electrolysis market in 2024.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, Western Europe, Eastern Europe, North America, South America, Middle East, Africa.
What Does The Water Electrolysis Market Report 2025 Offer?
The water electrolysis market research report from The Business Research Company offers global market size, growth rate, regional shares, competitor analysis, detailed segments, trends, and opportunities.
Water electrolysis refers to the process of using electricity to split water (H2O) into its constituent elements, such as hydrogen (H2) and oxygen (O2). When an electric current is passed through water containing an electrolyte, hydrogen is produced at the cathode (negative electrode) and oxygen at the anode (positive electrode). This method is widely used for producing hydrogen for industrial applications, clean energy, and fuel cells.
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