The hydrogen electrolyzer market is estimated to be valued at USD 1.75 Bn in 2025 and is expected to reach USD 40.12 Bn by 2032, exhibiting a compound annual growth rate (CAGR) of 56.4% from 2025 to 2032.

To learn more about this report, Download Free Sample
Increasing demand for zero-emission fuels and focus on the development of green hydrogen economy are supporting the market growth. The market is witnessing significant growth due to factors such as stringent emission norms, wide acceptance of fuel cell vehicles and stationary power generation, supportive government policies, and investments in hydrogen infrastructure projects. Rising awareness about environmental protection and sustainable energy production are further driving the demand for electrolyzers in various end-use industries such as automotive.
However, one of the key challenges faced by the market is the high capital costs associated with installing electrolyzer units.

To learn more about this report, Download Free Sample
|
Current Events |
Description and its impact |
|
Geopolitical Trade Policies and Tariff Adjustments |
|
|
Material Supply Chain Volatility |
|
Uncover macros and micros vetted on 75+ parameters: Get instant access to report
The increasing adoption of renewable energy sources such as wind, solar, and hydropower is significantly propelling the growth of the hydrogen electrolyzer market. Hydrogen electrolyzers serve as critical components in the green hydrogen production process by using electricity derived from renewables to split water into hydrogen and oxygen through electrolysis. This clean hydrogen, free from carbon emissions, is emerging as a vital energy carrier capable of decarbonizing several hard-to-abate sectors including heavy industry, transportation, and energy storage.
For instance, according to the International Energy Agency (IEA), Modern bioenergy is today the largest source of renewable energy globally, with a more than 50% share of global use in 2023. Bioenergy is discussed separately, and this page is dedicated to other renewable technologies.
In terms of technology, the Proton Exchange Membrane (PEM) segment is expected to contribute 37.4% share of the market in 2025, owing to its flexibility in design and operation.
Proton Exchange Membrane (PEM) electrolyzers can operate at higher pressures over a wide range, from 5-30 bar. This flexibility allows PEM technology to cater to a variety of end-use applications. PEM also demonstrates improved dynamic response and can be shut down and restarted quicker as compared to other technologies. Its compact design makes PEM well-suited for small to medium scale decentralized hydrogen production near the point of use.
In terms of power generation, the 500 kW segment is expected to contribute 42.8% share of the market in 2025, owing to optimal efficiency. Electrolyzer units with capacity in the 500-2,000 kW range offer maximum efficiency due to economies of scale.
Larger units above 2,000 kW have higher capital investments but marginal returns, while smaller below 500 kW units suffer from low load utilization factors. The 500-2,000 kW segment achieves high resource utilization as it can cater to both intermittent and scheduled demand cycles efficiently. These mid-sized plants can also be easily integrated within existing hydrogen infrastructure and transportation networks. The modular design allows the capacity to be scaled incrementally as hydrogen offtake grows.
In terms of end-use industry, the chemical industry segment is expected to contribute 39.9% share of the market in 2025, owing to vast hydrogen demand.
Hydrogen serves as a crucial feedstock and fuel in diverse chemical applications such as ammonia production, oil refining, and methanol synthesis. It is a fundamental industrial gas with immense and irreplaceable utility. The chemical sector relies on stable hydrogen supply to maintain operational continuity. Electrolytic hydrogen is poised to increasingly meet this bulk demand from the chemical industry. Its production can be easily scaled to match chemical plant requirements.
The hydrogen electrolyzer market, pivotal for enabling clean energy transitions, is increasingly incorporating Artificial Intelligence (AI) to optimize processes, enhance product design, and scale sustainable energy solutions. AI’s integration offers transformative potential across production, operation, and maintenance stages, accelerating the adoption of green hydrogen on a global scale.

To learn more about this report, Download Free Sample
North America is expected hold a 29.3% share of the market in 2025, driven by substantial investments in hydrogen infrastructure and fuel-switching technologies. Countries like the U.S. and Canada have implemented initiatives to scale up green hydrogen production and integrate hydrogen-based solutions across industries.
For instance, several upcoming green hydrogen projects are expected to be developed across the U.S. over the next few years, reflecting a strong push toward clean energy initiatives and significant industry investment. States like Texas, Louisiana, California, and Wyoming are leading in green hydrogen development, reflecting a nationwide commitment to this clean energy source.
The Asia Pacific region demonstrates the fastest growth in the market, with an estimated 22% of the market share in 2025. China’s emphasis on building a hydrogen economy, outlined in its 14th Five-Year Plan, has created significant opportunities for the adoption of electrolyzers.
Meanwhile, Japanese companies such as Toyota Tsusho, Air Liquide, and Panasonic are actively engaged in hydrogen initiatives, including large-scale projects and fuel cell investments, further accelerating the region's market expansion.
In February 2025, Malaysia's Sarawak province positioned itself as a renewable hydrogen hub through a comprehensive plan leveraging its renewable energy resources and aiming to catalyze clean energy growth across the Asia Pacific region and beyond.
The U.S. is witnessing a surge in hydrogen electrolyzer deployment, supported by government initiatives like the Hydrogen Production Tax Credit. This program aims to incentivize low-emission hydrogen production, with funding expected to accelerate project development. In 2023, the U.S. announced several large-scale hydrogen projects such as Plug Power's Green Hydrogen Projects, indicating a robust growth trajectory in the hydrogen electrolyzer market.
China has rapidly become a leader in hydrogen electrolyzer capacity, driven by substantial government support and investment in renewable energy projects. By the end of 2023, China's installed electrolyzer capacity is expected to reach 1.2 gigawatts (GW), accounting for 50.5% of the global total, a significant increase from less than 10.5% in 2020 data reported by International Energy Agency in 2023.
A notable example of this expansion is Sinopec's 260 megawatt (MW) Kuqa project in Xinjiang, which began operations in 2023. This facility is currently the world's largest solar-to-hydrogen project, aiming to produce 20,000 tons of green hydrogen annually by utilizing solar power for electrolysis.
Japan is advancing its hydrogen strategy with a focus on integrating hydrogen into its energy mix. The government has set a target to increase hydrogen supply to 3 million tons by 2030, according to data reported by Plug Power Inc. In 2023, Japan launched initiatives such as upgraded subsidy program for hydrogen fuel cell vehicle adoption to promote hydrogen fuel cell vehicles, further boosting the hydrogen electrolyzer market.
Germany is a key player in the hydrogen electrolyzer market, focusing on green hydrogen production to meet its ambitious climate targets. The country plans to invest USD 9.418 billion in hydrogen technologies as part of its National Hydrogen Strategy. This investment is expected to enhance electrolyzer capacity significantly, supporting the transition to a low-carbon economy.
| Report Coverage | Details | ||
|---|---|---|---|
| Base Year: | 2024 | Market Size in 2025: | USD 1.75 Bn |
| Historical Data for: | 2020 To 2024 | Forecast Period: | 2025 To 2032 |
| Forecast Period 2025 to 2032 CAGR: | 56.4% | 2032 Value Projection: | USD 40.12 Bn |
| Geographies covered: |
|
||
| Segments covered: |
|
||
| Companies covered: |
Siemens Energy AG, ITM Power plc, Nel ASA, Air Products and Chemicals, Inc., McPhy Energy S.A., Cummins Inc., Plug Power Inc., Thyssenkrupp AG, Ballard Power Systems Inc., Enel Green Power S.p.A., Hydrogenics (a Cummins Inc. company), Proton OnSite (a Nel ASA company), H2B2 Electrolysis Technologies, Green Hydrogen Systems A/S, and Anovion Battery Materials |
||
| Growth Drivers: |
|
||
| Restraints & Challenges: |
|
||
Uncover macros and micros vetted on 75+ parameters: Get instant access to report
*Definition: A hydrogen electrolyzer is an electrochemical device that uses electricity to split water into its constituent gases—hydrogen and oxygen—by driving the non-spontaneous process of electrolysis. It consists of an anode, cathode, and an electrolyte or membrane; when electric current is applied, water molecules at the anode release oxygen and protons, which pass through the membrane to the cathode, where they combine with electrons to form high-purity hydrogen gas.
Share
Share
About Author
Sakshi Suryawanshi is a Research Consultant with 6 years of extensive experience in market research and consulting. She is proficient in market estimation, competitive analysis, and patent analysis. Sakshi excels in identifying market trends and evaluating competitive landscapes to provide actionable insights that drive strategic decision-making. Her expertise helps businesses navigate complex market dynamics and achieve their objectives effectively.
Missing comfort of reading report in your local language? Find your preferred language :
Transform your Strategy with Exclusive Trending Reports :
Frequently Asked Questions
Joining thousands of companies around the world committed to making the Excellent Business Solutions.
View All Our Clients