PEM Electrolyzer Market Size - By Capacity, By Application, Global Industry & Forecast, 2025 – 2034

PEM Electrolyzer Market Size

According to a recent study by Global Market Insights Inc., the PEM electrolyzer market was valued at USD 1.4 billion in 2024. The market is expected to grow from USD 4.3 billion in 2025 to USD 45.6 billion in 2034, at a CAGR of 30.1%.

• Rising demand for clean hydrogen in industrial applications coupled with emerging uses in transport and power, is anticipated to significantly drive the adoption of PEM electrolyzers in the coming years. Industries including ammonia production, refining, power generation and steel manufacturing are under increasing pressure to reduce carbon emissions, prompting a shift toward low carbon feedstock. PEM technology, with its ability to produce high purity hydrogen efficiently, is well-suited for integration into these sectors.
   
• A PEM electrolyzer is a hydrogen production system that uses a proton exchange membrane to split water into hydrogen and oxygen using electricity. It operates efficiently at varying loads, making it suitable for integration with renewable energy sources including solar and wind. It serves applications ranging from industrial feedstock to transportation and building power systems.
   
• Ongoing initiatives by respective government authorities toward the utilization of low emission fuels coupled with mandates to curb the overall emission levels in the industries are set to boost the product demand. For instance, in June 2025, the Chilean government, through its development agency Corfo, has committed USD 25.6 million to establish domestic electrolyzer manufacturing capabilities.
   
• The PEM electrolyzer market was valued at USD 218.5 million in 2021 and 85.1% CAGR in 2024, driven by advancements in modular system design, digital control technologies, and integration with hydrogen refueling infrastructure. Furthermore, the rising deployment of electric vehicle fleets is raising the need for clean hydrogen supply, thereby strengthening the industry outlook.
   
• The upgrade of the existing gas networks, including pipelines coupled with ongoing government initiatives for scaling up the hydrogen infrastructure will significantly lower the distribution costs, thereby augmenting the requirement of clean hydrogen technologies. Growing acceptance of gas in various end user applications including refineries, chemical industry, semiconductor, glass, and food & beverage will escalate the overall consumption pattern.
   
• Expanding research and development aimed at enhancing the electrolyzer efficiency, coupled with scaled up manufacturing by leading players, drives strong market momentum. These efforts align with rising global energy demand and the accelerating adoption of hydrogen across sectors. For instance, BriHyNergy Co., Ltd. launched its advanced megawatt-scale PEM electrolyzer, the BriLyzer-R200 Gen 2, on December 29, 2024.
   
• In addition, continuous technological advancements are unlocking new pathways for innovation, driving sustainable economic growth and expanding employment across multiple sectors. Breakthroughs in materials science, digital integration, and system design are significantly enhancing product performance and scalability, thereby stimulating market demand and reinforcing the technology’s role in the global clean energy transition.
   
• Favorable government policies & targets including financial incentives & mandates aimed at global investments toward low-emission fuel will continue to drive the demand for electrolyzers. Additionally, the leading energy, transport, and industry stakeholders are extensively focused to advance electrolyzer technique and enable low cost hydrogen generation which will accelerate the industry outlook.
   

PEM Electrolyzer Market Trends

• Growing efforts to reduce emissions in industries that are difficult to decarbonize coupled with rising demand for clean hydrogen as a feedstock in synthetic fuels and industrial processes are accelerating the scale up of large electrolyzer projects. Companies are moving beyond pilot programs and investing in large installations to secure long-term hydrogen supply. For instance, in 2025, Air Liquide advanced its Normand ’Hy project in France, to supply renewable hydrogen for industrial and mobility applications.
   
• Public private partnerships are emerging as key enablers for scaling PEM electrolyzer infrastructure in regions with high renewable potential. Collaborations are unlocking funding and technical expertise for large scale hydrogen hubs. For instance, in 2024, Chemours and partners secured USD 60 million in U.S. DOE grants to develop next-generation PEM membranes and circularity infrastructure for clean hydrogen.
   
• Moreover, government backed technical targets are shaping the future of PEM electrolyzer innovation and cost competitiveness. For instance, in 2024, the U.S. Department of Energy set a target to reduce the cost of hydrogen production via PEM electrolysis to USD 2/kg by 2026 and USD 1/kg by 2031, driving R&D in stack efficiency, catalyst loading, and system durability, thereby accelerating product adoption across industrial and energy sectors.
   
• Furthermore, growing research & development activities by key players for producing hydrogen with advanced product coupled with rising government spending on H2 energy design & development programs will influence the product penetration over the forecast timeline.
   
• Leading OEMs are scaling up manufacturing capacity and pursuing vertical integration to meet rising global demand. They are investing in in-house production of critical components including stacks and membranes to reduce costs and enhance supply chain resilience, thereby accelerating market competitiveness and reinforcing long term business potential.
   
• Regulatory mandates, tax credits, and government backed subsidies are driving product adoption across key economies. Strategic frameworks including the EU’s Hydrogen Strategy and the U.S. Inflation Reduction Act are anticipated to grow market confidence, catalyze infrastructure investments, and unlock business potential for green hydrogen production via PEM technology.
   
• High renewable energy penetration is prompting utilities to integrate PEM electrolyzers into grid scale power and storage systems. By converting excess solar and wind output into storable hydrogen, utilities are enhancing grid stability and operational efficiency. For instance, in 2023, the NREL deployed a 1.25 MW PEM electrolyzer in the U.S.  integrated with wind and solar energy sources.
   

PEM Electrolyzer Market Analysis

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• Based on capacity, the market is segmented into ≤500 kW, >500 kW – 2 MW, >2 - 5 MW and above 5 MW systems. The >500 kW – 2 MW segment is anticipated to surpass USD 112 million by 2034, driven by rising industrial demand and scalable deployment potential.
   
• Rising demand for mid-scale green hydrogen production to support industrial operations, renewable energy integration and mobility infrastructure is driving the medium capacity PEM systems. Their ideal balance between scalability and compact design makes them a preferred choice for a wide application range, including backup power for data centers, hydrogen refueling stations and industrial feedstock production in small to medium facilities.
   
• The ≤500 kW segment is expected to reach more than USD 20 million by 2034. Growing preference for products requiring lower initial capital costs and modularity will make the low-capacity systems attractive for emerging markets and pilot projects. Their compact footprint and flexible installation requirements allow integration into constrained urban or remote environments without extensive infrastructure changes leading to uplift the industry outlook.
   
• Rising government incentives and demonstration programs focused on green hydrogen are bolstering early-stage deployment of low-capacity PEM systems. Additionally, expanding regions such as Europe, North America and Asia Pacific promotion of hydrogen refueling stations, off-grid energy solutions and small-scale industrial applications are set to encourage localized hydrogen production with small electrolyzers, leading to improve the PEM electrolyzer market growth.
   
• The >2 MW- 5 MW segment is anticipated to reach more than USD 780 million by 2034 on account of its deployment in energy intensive industrial sectors including chemical manufacturing, petroleum refining, and steel production. Advancements in membrane technology and system architecture are enhancing the durability and operational lifespan of large-scale PEM electrolyzers, thereby accelerating product penetration in large-scale decarbonization initiatives.
   
• Industries are increasingly integrating these systems into industrial clusters and green hydrogen hubs to enable large-scale hydrogen production. National governments and stakeholders actively support this transition through decarbonization strategies and collaborative initiatives.
   
• For instance, in November 2023, Air Liquide and Siemens Energy inaugurated their joint gigawatt-scale PEM electrolyzer facility in Berlin, Germany. The plant is designed to scale up to an annual production capacity of 3 GW by 2025, enabling mass production of high-efficiency PEM modules optimized for integration with intermittent renewable energy sources.
   
• The above 5 MW segment is valued at USD 610.3 million in 2024 and is gaining traction due to its deployment in mega industrial complexes and energy parks for bulk hydrogen production in refining, chemicals, and synthetic fuel synthesis utility-scale applications. Operators run these high-capacity systems continuously under heavy loads, and recent advancements in stack efficiency and thermal management position them as optimal solutions for utility-scale applications.
   
• For instance, in 2021, Shell deployed a 10 MW PEM electrolyzer at its REFHYNE project in Germany to supply green hydrogen for refinery operations, replacing conventional grey hydrogen sources.
   

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• Based on application, the PEM electrolyzer market is segmented into power generation, transportation, industry energy, industry feedstock, building heating & power and others. The transportation segment dominates the market with 47% share in 2024 and is expected to grow at a CAGR of 24% from 2025 to 2034.
   
• Growing adoption of fuel cell electric vehicles, coupled with rapid expansion of hydrogen refueling infrastructure, drives the transportation segment’s dominance in the PEM electrolyzer market. These systems enable high-purity hydrogen production, meeting the stringent requirements of mobility applications and supporting large-scale deployment across clean transport networks.
   
• Increasing investments by private players in developing and bringing a new product range in the developing region will uplift the product penetration. For instance, in October 2024, GreenH Electrolysis introduced its first 1 MW PEM electrolyzer at its manufacturing facility in Jhajjar, Haryana. This unit will generate 430 kg of hydrogen daily, supporting Indian Railways' "Hydrogen for Heritage" program and promoting green transport and hydrogen infrastructure in India.
   
• The power generation application will grow at over 57% CAGR through 2034. Rapid expansion of intermittent renewable energy sources, including wind and solar, escalates the product demand in providing a viable solution by acting as a dynamic load that consumes excess electricity and converts it into hydrogen for later power generation. This prevents renewable energy curtailment and enhances overall grid stability, leading to product growth.
   
• Growing shift towards cleaner hydrogen sources to meet stringent carbon emission regulations and corporate sustainability targets is boosting PEM systems growth. This shift also encourages industry users to transition from gray to green hydrogen to align with ESG goals and comply with decarbonization mandates set by the EU Green Deal, national hydrogen roadmaps and REPowerEU, leading to the PEM electrolyzer market expansion.
   
• Growing demand for green hydrogen and cleaner industrial inputs, combined with the growing use of hydrogen in ammonia and methanol production, is accelerating the adoption of PEM electrolyzers across the industry feedstock segment. For instance, in 2024, Plug Power signed a technical evaluation phase contract to support a 25 MW PEM electrolyzer deployment for a green methanol project in Portugal targeting 80,000 tons of annual output using solar-powered hydrogen.
   
• Building heat & power will grow over CAGR 41% by 2034. Rising demand for electrolyzers offering the ability to respond quickly to varying electricity and heat demands makes PEM system ideal partners for fuel cells in residential or commercial buildings, ensuring a reliable and adaptable energy supply. Additionally, governments growing support in pilot projects exploring the use of hydrogen for clean heating and backup power in buildings, with initiatives such as REPowerEU in Europe and DOE funding in the U.S. creates product adoption opportunities.
   
• For grid injection, the electrolyzer are crucial in power to gas systems. Their ability to convert surplus renewable electricity into hydrogen, which can be injected into existing natural gas grids at approved blending ratios, improves the business trend. Additionally, PEM systems ability to quickly ramp up or down supports real time grid stabilization thereby enhancing overall energy system flexibility which will further uplift the industry statistics.
   

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• The U.S. PEM electrolyzer market size surpassed USD 22.4 million in 2022, rising to USD 59.3 million in 2023 and reaching USD 260.6 million by 2024. In 2024, North America accounted for 30.9% share of the global market, reinforcing its regional dominance.
   
• Growing research and development activities combined with funding programs will strengthen the use of clean fuels comprising blue & green hydrogen. For instance, in December 2022, the U.S. DOE, proposed USD 750 million investment to advance electrolysis technologies, drive down fuel cell & clean hydrogen cost and support hydrogen hubs across the country.
   
• Accelerating green hydrogen project development, alongside ongoing hydrogen economy initiatives across the Asia Pacific region, is driving the adoption of PEM electrolyzers in industrial application. For example, in July 2023, Plug Power Inc. was selected to supply two 5 MW PEM electrolyzer systems for green hydrogen projects in Australia, led by Countrywide Hydrogen Pty Ltd.
   
• Europe’s PEM electrolyzer market is set to surpass USD 17.5 billion by 2034, driven by robust investments and strong policy support for hydrogen initiatives. The infrastructure is critical for the production, distribution, and utilization of hydrogen in various sectors, aligning with the European Union's hydrogen strategy. Governments and private stakeholders continue to fund hydrogen infrastructure development, which actively enables hydrogen production, distribution, and industrial utilization. For instance, the introduction of REPowerEU, includes specific measures to augment the production of renewable H2, aiming to produce 10 Megaton in Europe by 2030.
   
• France’s hydrogen ecosystem is anchored by its National Hydrogen Strategy, updated in 2025, which sets increasing targets of electrolysis capacity by 2030. The strategy emphasizes energy sovereignty, prioritizing domestic hydrogen production over imports to boost local industrial capacity and decouple from external supply chain, leading to enhance the regional companies’ growth in the market.
   
• Asia Pacific PEM electrolyzer market will grow at over 44% CAGR through 2034. Announcements and implementation of hydrogen economy initiatives across Asian economies coupled with deployment of PEM electrolyzers for industrial applications will stimulate the business statistics. Furthermore, some countries in the region are focused on developing and expanding their domestic electrolyzer manufacturing capabilities, thereby strengthening the local supply chain which can contribute to reducing costs and accelerating the adoption of PEM electrolyzers.
   
• Brazil's large domestic market presents significant opportunities for green hydrogen in various sectors including trucking, green steel, and other industrial applications. There is also a strong focus on developing export potential, particularly in Europe, which has a growing demand for green hydrogen and e-fuels is accelerating PEM deployment at ports and industrial hubs.
   
• In Saudi Arabia growing mega projects such as NEOM’s Helios Green Fuel initiative, which aims to produce green hydrogen and ammonia for global export creates demand for electrolyzers thereby boosting PEM penetration. Additionally, the government’s Vision 2030 plan promotes economic diversification and clean energy innovation, fueling investment in hydrogen infrastructure.
   

PEM Electrolyzer Market Share

• The top five players in the PEM electrolyzer industry include Cummins, Air Products & Chemicals, Plug Power, Siemens Energy, and Nel ASA. Strategic collaborations among companies in the Asia Pacific region have fostered innovation, supported market expansion, and enabled product diversification.
   
• The development and promotion of tankless water heaters, along with continued expansion into emerging Southeast Asian markets, are expected to drive industry growth. The integration of renewable energy with water heating systems, combined with ongoing research into advanced technologies and smart heating systems, is set to further enhance the market landscape.
   
• R&D investments and technology upgrades are playing a key role in shaping the competitive landscape of the PEM electrolyzer industry. Companies are focusing on improving system efficiency, reducing capital costs, and enhancing stack durability to meet growing commercial and industrial demand. These advancements are expected to accelerate product adoption across diverse applications, including mobility, power generation, and chemical processing.
   
• Government backed incentives and regulatory frameworks are further supporting market expansion. Policies promoting clean hydrogen production, carbon reduction targets, and funding for pilot projects are encouraging private sector participation. This policy driven momentum is particularly evident in regions such as the Middle East and Latin America, where emerging hydrogen strategies are beginning to attract global investment.
   
• Plug Power maintains a strong position in the PEM electrolyzer market through its focus on end-to-end hydrogen solutions and large-scale project execution. The company’s involvement in high-capacity green hydrogen facilities and its integrated approach spanning electrolyzer manufacturing, hydrogen fueling infrastructure, and mobility applications have reinforced its competitive edge across global markets.
   
• Furthermore, Siemens Energy has introduced advanced PEM electrolyzer systems designed to support large-scale green hydrogen projects. These systems offer flexible integration with renewable energy sources and are engineered to meet the operational demands of industrial and utility-scale applications, reinforcing Siemens Energy’s role in driving hydrogen technology adoption.
   

PEM Electrolyzer Market Companies

Eminent players operating in the PEM electrolyzer industry are:

• Air Liquide
• Air Products and Chemicals
• Bosch
• Cummins
• Elogen
• Erre Due
• Giner
• GreenH
• H2B2
• Hygear
• Hystar
• ITM Power
• Larsen & Toubro Limited
• Mcphy Energy
• Nel ASA
• Next Hydrogen
• Ohmium
• Ostermeier H2ydrogen Solutions
• Plug Power
• Siemens Energy
   
• Air Liquide offers comprehensive solutions for the production, distribution, and refueling of liquid hydrogen, supporting cleaner and more sustainable transportation methods. The company reported revenues of USD 31.65 billion in 2024. Additionally, it secured a USD 114 million grant from the European Innovation Fund to advance its ENHANCE project at the Port of Antwerp-Bruges in Belgium.
   
• Plug Power remains a leading player in the U.S. hydrogen sector, focusing on hydrogen fuel cell systems that enhance electric vehicle performance beyond traditional battery capabilities. The company reported revenue of USD 133.7 million for the first quarter of 2025. In May 2024, Plug Power received support from the U.S. Department of Energy to expand its hydrogen production capacity and establish new production sites, reinforcing its role in scaling clean energy infrastructure.
   
• Nel ASA focuses on the global production, storage, and distribution of hydrogen using renewable energy sources. By 2024, the company reported revenues of USD 136.2 million. In a notable development, Nel ASA received a purchase order in January 2025 for two containerized PEM electrolyzer units valued at approximately USD 7 million.
   
• Cummins is a globally recognized manufacturer specializing in diesel and natural gas engines, integrated power generation systems, and advanced related technologies. The company reported revenue of USD 25.6 billion in 2024. In March 2024, Tata Cummins inaugurated a new facility in Jamshedpur dedicated to producing hydrogen-powered engines, marking a significant step toward cleaner and more efficient energy solutions. Cummins technology also powers the world’s largest operational PEM electrolyzer, further reinforcing its leadership in advancing scalable hydrogen infrastructure.
   

PEM Electrolyzer Industry News

• In February 2025, Accelera by Cummins secured a contract to deliver a 100 MW PEM electrolyzer system for bp’s Lingen Green Hydrogen Project in Germany. The system comprises 20 HyLYZER 1000 units and will be produced at Accelera’s new manufacturing facility in Guadalajara, Spain. It is projected to generate up to 11,000 tons of green hydrogen annually. This milestone marks Cummins’ largest electrolyzer deployment to date, reinforcing its strategic role in advancing industrial decarbonization across Europe.
   
• In February 2025, Air Liquide and TotalEnergies unveiled two major electrolyzer projects in the Netherlands aimed at boosting renewable and low carbon hydrogen production. The flagship ELYgator 200 MW electrolyzer in Maasvlakte (Rotterdam) will generate up to 23,000 ton/year of green hydrogen to supply TotalEnergies’ industrial site and regional mobility customers. A 50/50 joint venture will also build a 250 MW electrolyzer in Zeeland, producing up to 30,000 ton/year for the nearby refinery.
   
• In April 2025, Air Liquide’s 20 MW PEM electrolyzer in Oberhausen, Germany, known as the “Trailblazer” project, became the first in the country to receive RFNBO certification. Using renewable power, it can produce up to 2,900 tonnes of green hydrogen annually. It is connected to a 240 km hydrogen pipeline that serves industries and mobility clients across the Rhine–Ruhr region. This milestone enables customers to count the hydrogen toward EU sustainability quotas.
   

This PEM electrolyzer market research report includes an in-depth coverage of the industry with estimates & forecast in terms of revenue and volume in “USD Million & MW” from 2021 to 2034, for the following segments:

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Market, By Capacity

• ≤ 500 kW
• > 500 kW – 2 MW
• > 2 MW – 5 MW
• Above 5 MW

Market, By Application

• Power Generation
• Transportation
• Industry Energy
• Industry feedstock
• Building Heating & Power
• Others

The above information has been provided for the following countries:

• North America
  • U.S.
  • Canada
• Europe
  • Germany
  • UK
  • France
  • Italy
  • Netherlands
  • Denmark
  • Spain
  • Norway
• Asia Pacific
  • China
  • Japan
  • India
  • Australia
• Rest of World