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South Korea Hydrogen Electrolyzer Market

ID: MRFR/EnP/53632-HCR
200 Pages
Chitranshi Jaiswal
October 2025

South Korea Hydrogen Electrolyzer Market Research Report By Product Type (Proton Exchange Membrane Electrolyzer, Alkaline Electrolyzer, Solid Oxide Electrolyzer), By Capacity (Low (= 150 kW), Medium (150kW - 1mW), High (> 1mW)), By Outlet Pressure (Low (= 10 Bar), Medium (10 Bar - 40 Bar), High (> 40 Bar)) and By End-user (Ammonia, Methanol, Refining/ Hydrocarbon, Electronics, Energy, Power to Gas, Transport, Metal Production and Fabrication, Pharma and Biotech, Food and Beverages, Glass Industry, Others) - Growth & Industry Forecast to 2035

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South Korea Hydrogen Electrolyzer Market Infographic
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South Korea Hydrogen Electrolyzer Market Summary

As per Market Research Future analysis, the South Korea hydrogen electrolyzer market size was estimated at 54.69 USD Million in 2024. The South Korea hydrogen electrolyzer market is projected to grow from 68.38 USD Million in 2025 to 638.38 USD Million by 2035, exhibiting a compound annual growth rate (CAGR) of 25.0% during the forecast period 2025 - 2035

Key Market Trends & Highlights

The South Korea hydrogen electrolyzer market is poised for substantial growth driven by government support and industrial demand.

  • Government initiatives and support are fostering a favorable environment for hydrogen electrolyzer adoption.
  • Technological advancements are enhancing the efficiency and cost-effectiveness of hydrogen production methods.
  • The industrial segment is the largest contributor to market growth, while the renewable energy segment is the fastest-growing.
  • Rising energy transition efforts and increased investment in clean technologies are key drivers propelling the market forward.

Market Size & Forecast

2024 Market Size 54.69 (USD Million)
2035 Market Size 638.38 (USD Million)
CAGR (2025 - 2035) 25.03%

Major Players

Nel Hydrogen (NO), ITM Power (GB), Siemens Energy (DE), Plug Power (US), McPhy Energy (FR), Hydrogenics (CA), Cummins (US), Enel Green Power (IT), Linde (DE)

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South Korea Hydrogen Electrolyzer Market Trends

The hydrogen electrolyzer market in South Korea is currently experiencing a notable transformation, driven by the nation's commitment to achieving carbon neutrality by the year 2050. This ambitious goal has prompted significant investments in renewable energy technologies, particularly in hydrogen production. The government has implemented various policies and incentives to promote the adoption of hydrogen technologies, which has led to an increase in research and development activities. As a result, the market is witnessing a surge in the deployment of electrolyzers, which are essential for producing green hydrogen from renewable sources. Furthermore, South Korea's strategic location and advanced industrial infrastructure provide a conducive environment for the growth of this market. In addition to government support, the hydrogen electrolyzer market is also influenced by the rising demand for clean energy solutions across various sectors, including transportation, power generation, and industrial applications. Companies are increasingly recognizing the potential of hydrogen as a versatile energy carrier, which is likely to drive further innovation in electrolyzer technologies. Collaborations between public and private entities are becoming more common, fostering a robust ecosystem for hydrogen production and utilization. Overall, the hydrogen electrolyzer market appears poised for substantial growth, reflecting South Korea's dedication to sustainable energy practices and its role in the global energy transition.

Government Initiatives and Support

The South Korean government is actively promoting the hydrogen electrolyzer market through various initiatives and financial incentives. Policies aimed at reducing greenhouse gas emissions and enhancing energy security are driving investments in hydrogen technologies. This support is likely to accelerate the development and deployment of electrolyzers, positioning the country as a leader in the hydrogen economy.

Technological Advancements

Innovations in electrolyzer technology are playing a crucial role in the hydrogen electrolyzer market. Research institutions and companies are focusing on improving efficiency and reducing costs associated with electrolyzers. These advancements may enhance the competitiveness of hydrogen as a clean energy source, further stimulating market growth.

Growing Industrial Demand

There is an increasing demand for hydrogen across various industries in South Korea, including transportation, manufacturing, and energy sectors. This trend suggests that the hydrogen electrolyzer market will benefit from the rising need for sustainable energy solutions. As industries seek to decarbonize their operations, the adoption of electrolyzers is expected to rise.

South Korea Hydrogen Electrolyzer Market Drivers

Rising Energy Transition Efforts

The hydrogen electrolyzer market in South Korea is experiencing a surge due to the nation's commitment to energy transition. The government has set ambitious targets to reduce greenhouse gas emissions by 40% by 2030, which necessitates a shift towards cleaner energy sources. This transition is likely to drive investments in hydrogen production technologies, including electrolyzers. As of 2025, South Korea aims to have 6.2 GW of electrolyzer capacity installed, reflecting a significant increase in market activity. The focus on renewable energy sources, such as wind and solar, further supports the growth of the hydrogen electrolyzer market, as these sources provide the necessary electricity for efficient hydrogen production.

Growing Demand for Renewable Hydrogen

The demand for renewable hydrogen is on the rise in South Korea, significantly impacting the hydrogen electrolyzer market. Industries are increasingly seeking sustainable alternatives to fossil fuels, and hydrogen produced via electrolysis from renewable sources is seen as a viable solution. The South Korean government has set a target to produce 1.5 million tons of hydrogen annually by 2030, with a substantial portion expected to come from electrolyzers. This growing demand is likely to drive technological advancements and increase the adoption of electrolyzers across various sectors, including transportation and manufacturing, thereby enhancing the overall market landscape.

Regulatory Framework and Policy Support

The regulatory framework and policy support in South Korea are crucial for the hydrogen electrolyzer market's growth. The government has implemented various policies aimed at promoting hydrogen as a key energy source. These include tax incentives, subsidies, and regulatory measures that encourage the adoption of hydrogen technologies. The Hydrogen Economy Roadmap outlines specific goals for hydrogen production and utilization, which are expected to create a favorable environment for the hydrogen electrolyzer market. As the regulatory landscape evolves, it is likely to provide the necessary support for market players, fostering innovation and investment in electrolyzer technologies.

Strategic Partnerships and Collaborations

Strategic partnerships and collaborations are emerging as a vital driver for the hydrogen electrolyzer market in South Korea. Companies are increasingly forming alliances to leverage each other's strengths in technology and market access. For instance, collaborations between energy firms and technology providers are likely to enhance the development of advanced electrolyzer systems. These partnerships can facilitate knowledge sharing and accelerate the commercialization of innovative solutions. As of November 2025, several joint ventures have been established, aiming to boost the production capacity of electrolyzers, which may lead to a more robust market presence and increased competitiveness.

Increased Investment in Clean Technologies

Investment in clean technologies is a critical driver for the hydrogen electrolyzer market in South Korea. The government has allocated approximately $2.5 billion to support the development of hydrogen infrastructure and production facilities. This financial backing is expected to stimulate private sector investments, leading to advancements in electrolyzer technology. Furthermore, the South Korean government has introduced various incentives for companies that invest in hydrogen production, which could potentially enhance the competitiveness of the hydrogen electrolyzer market. As the market matures, the influx of capital is likely to foster innovation and reduce costs, making hydrogen a more viable energy source.

Market Segment Insights

By Product Type: Proton Exchange Membrane Electrolyzer (Largest) vs. Alkaline Electrolyzer (Fastest-Growing)

The South Korea hydrogen electrolyzer market displays a distinctive distribution of market share among different product types. The Proton Exchange Membrane (PEM) electrolyzer holds the largest share, driven by its efficiency and suitability for various applications including transportation and industrial processes. In contrast, while the Alkaline electrolyzer is currently gaining traction, it still occupies a smaller market share as compared to PEM. The Solid Oxide electrolyzer, while relevant, remains more niche and faces challenges regarding operational efficiency and cost in broader applications. Growth trends are evolving as demand for clean energy solutions intensifies, particularly in industrial sectors. The Alkaline electrolyzer is witnessing rapid advancements thanks to increasing investments in hydrogen technology and supportive government policies. Likewise, the PEM segment capitalizes on technological advancements that enhance efficiency and reduce costs, making it a preferred choice for many end-users. As the market matures, accessibility and innovation in these technologies will likely shape future competitive dynamics.

Technology: Proton Exchange Membrane (Dominant) vs. Alkaline (Emerging)

Proton Exchange Membrane (PEM) electrolyzers are recognized as a dominant technology in the South Korea hydrogen electrolyzer market, primarily due to their ability to operate efficiently at variable loads which is essential for integrating with renewable energy sources like solar and wind. These electrolyzers provide high purity hydrogen and are compact, making them suitable for various industrial applications. Meanwhile, Alkaline electrolyzers represent an emerging technology, known for their lower capital costs and established reliability. They are increasingly being adopted for large-scale hydrogen production due to improvements in their efficiency and durability. As South Korea pushes toward a hydrogen economy, both technologies are expected to coexist, catering to diverse needs and applications.

By Capacity: Low (Largest) vs. Medium (Fastest-Growing)

In the South Korea hydrogen electrolyzer market, the capacity segment is delineated into three categories: Low (<= 150 kW), Medium (150 kW - 1 mW), and High (> 1 mW). Currently, the Low-capacity segment holds the largest market share, benefitting from its appeal in applications where smaller scale production is favored. Meanwhile, the Medium-capacity segment is witnessing rapid growth, primarily driven by an increasing demand for balanced output and flexibility in production rates. The growth trends in this capacity segment are heavily influenced by various factors, including technological advancements and government incentives for hydrogen production. The Medium capacity range is emerging as a preferred choice for mid-scale plants aiming for efficiency and economic viability. As industries adapt to new energy paradigms, the push for sustainable hydrogen generation is set to accelerate growth across both Low and Medium capacity segments, transforming the landscape of production capabilities.

Low (Dominant) vs. Medium (Emerging)

The Low-capacity segment (<= 150 kW) dominates the South Korea hydrogen electrolyzer market, primarily catering to smaller industrial applications, residential systems, and niche markets where low-output solutions are required. These electrolyzers are favored for their affordability and ease of implementation, making them accessible to a wide range of users. Conversely, the Medium-capacity range (150 kW - 1 mW) is quickly emerging as a significant player, appealing to businesses looking to scale operations without incurring the higher costs associated with larger setups. Medium electrolyzers provide an optimal mix of output and efficiency, thereby capturing the interest of sectors aiming for enhanced productivity and sustainable practices.

By Outlet Pressure: Medium (Largest) vs. High (Fastest-Growing)

In the South Korea hydrogen electrolyzer market, the outlet pressure segment is distributed among low, medium, and high pressure categories. Currently, the medium pressure segment commands the largest share due to its widespread applicability and versatility across various industries. Meanwhile, the high outlet pressure segment is experiencing swift growth, driven by increasing demand for advanced electrolyzers that can operate efficiently at elevated pressures for enhanced hydrogen production. The growth trends in the outlet pressure segment are influenced by a range of factors, including technological advancements and government initiatives promoting hydrogen as a clean energy source. The high outlet pressure segment, in particular, benefits from innovations in electrolyzer technology, enhancing performance and efficiency. As industries push for greener energy solutions, the demand for both medium and high-pressure electrolyzers is expected to rise, reflecting a robust market trajectory.

Medium (Dominant) vs. High (Emerging)

The medium outlet pressure segment is characterized by its adaptability, making it a dominant choice in various applications, including industrial and commercial uses. Its efficiency and balance of output pressure make it suitable for many sectors, thus holding a significant market position. Conversely, the high outlet pressure segment is emerging rapidly, largely driven by advancements in technology and increasing requirements for high-performance electrolyzers. As manufacturers focus on developing products that cater to high-pressure applications, this segment is witnessing remarkable growth. Both segments are pivotal as the South Korea hydrogen electrolyzer market evolves, addressing the rising demand for sustainable hydrogen solutions.

By End-user: Ammonia (Largest) vs. Power to Gas (Fastest-Growing)

The South Korea hydrogen electrolyzer market exhibits diverse end-user segments, with ammonia leading the way due to its critical role in fertilizer production and energy storage solutions. Other significant segments include refining/hydrocarbon, which relies on electrolyzers for producing hydrogen for cleaner fuel processes, and the electronics industry, where hydrogen plays an essential role in various manufacturing processes. The growth trends in this market are largely driven by the increasing demand for cleaner fuel alternatives across multiple industries. The energy sector, along with transportation and metal production, is rapidly adopting hydrogen-based technologies in an effort to reduce carbon emissions. Emerging applications like power to gas are gaining traction, indicating a robust future for sustainable energy solutions in the region.

Ammonia (Dominant) vs. Power to Gas (Emerging)

Ammonia remains the dominant sector within the South Korea hydrogen electrolyzer market, primarily because of its established use in agriculture and industry as a key component for fertilizers and energy storage. With environmental regulations pushing for reduced carbon footprints, ammonia's importance is likely to increase, reinforcing its market position. Conversely, power to gas represents an emerging segment that captures attention due to its innovative approach to energy storage and management. This segment transforms surplus renewable energy into hydrogen, thereby facilitating cleaner energy distribution. The rapid adoption of renewable sources such as solar and wind power underpins power to gas's growth, making it a focal point for future energy strategies.

Get more detailed insights about South Korea Hydrogen Electrolyzer Market

Key Players and Competitive Insights

The hydrogen electrolyzer market in South Korea is characterized by a dynamic competitive landscape, driven by increasing demand for clean energy solutions and government initiatives aimed at reducing carbon emissions. Key players such as Nel Hydrogen (NO), Siemens Energy (DE), and Plug Power (US) are strategically positioning themselves through innovation and partnerships. Nel Hydrogen (NO) focuses on enhancing its electrolyzer technology to improve efficiency, while Siemens Energy (DE) emphasizes digital transformation and integration of renewable energy sources into its systems. Plug Power (US) is actively pursuing collaborations with local firms to expand its market presence, thereby shaping a competitive environment that prioritizes technological advancement and strategic alliances. The market structure appears moderately fragmented, with several players vying for market share. Companies are increasingly localizing manufacturing to reduce costs and optimize supply chains, which may enhance their competitive edge. The collective influence of these key players fosters a competitive atmosphere where innovation and operational efficiency are paramount, allowing them to respond effectively to the evolving demands of the market. In September 2025, Nel Hydrogen (NO) announced a partnership with a South Korean energy firm to develop a large-scale hydrogen production facility. This strategic move is likely to bolster Nel's presence in the region and enhance its capabilities in producing green hydrogen, aligning with South Korea's ambitious hydrogen roadmap. Such collaborations may facilitate knowledge transfer and technological advancements, positioning Nel as a leader in the local market. In October 2025, Siemens Energy (DE) unveiled a new electrolyzer model designed for high efficiency and scalability. This innovation is expected to cater to the growing demand for hydrogen solutions in various industrial applications. By focusing on cutting-edge technology, Siemens Energy aims to differentiate itself from competitors and capture a larger share of the market, reflecting a broader trend towards advanced technological solutions in the sector. In August 2025, Plug Power (US) secured a contract with a South Korean logistics company to supply hydrogen fuel cells and electrolyzers. This contract not only signifies Plug Power's commitment to expanding its footprint in Asia but also highlights the increasing integration of hydrogen solutions in logistics and transportation sectors. Such strategic contracts may enhance Plug Power's revenue streams and reinforce its position as a key player in the hydrogen ecosystem. As of November 2025, current trends in the hydrogen electrolyzer market indicate a strong emphasis on digitalization, sustainability, and the integration of artificial intelligence in operations. Strategic alliances are becoming increasingly vital, as companies seek to leverage complementary strengths to enhance their competitive positioning. The shift from price-based competition to a focus on innovation, technology, and supply chain reliability is evident, suggesting that future differentiation will hinge on the ability to deliver advanced, efficient, and sustainable solutions.

Key Companies in the South Korea Hydrogen Electrolyzer Market include

Industry Developments

The South Korea Hydrogen Electrolyzer Market has witnessed significant advancements and investments recently, with companies like Nel Hydrogen and Hanwha Group actively expanding their production capabilities. In September 2023, SK Group announced plans to invest heavily in hydrogen production technologies, including advancements in electrolyzer technology, aiming to enhance the country's hydrogen infrastructure.

Samsung Engineering, in collaboration with Doosan Fuel Cell, is working on innovative solutions to scale up hydrogen production for various industrial applications. Furthermore, in October 2023, Lotte Chemical and Air Products entered a joint venture to develop large-scale hydrogen projects, which are expected to catalyze market growth.

The South Korean government has bolstered its regulatory framework to support the hydrogen economy, paving the way for major industry players such as Hyundai Motor Company and Korea Gas Corporation to enhance their participation in the hydrogen supply chain.

The market has shown impressive growth, with the valuations of local companies increasing due to rising global demand for clean energy solutions. Over recent years, there have been notable developments, including major contracts and partnerships announced in early 2022 between Plug Power and several local firms to boost electrolyzer production capacity.

 

Future Outlook

South Korea Hydrogen Electrolyzer Market Future Outlook

The Hydrogen Electrolyzer Market is poised for growth at 25.03% CAGR from 2025 to 2035, driven by technological advancements, government policies, and increasing demand for clean energy.

New opportunities lie in:

  • Development of modular electrolyzer systems for diverse applications. Investment in R&D for high-efficiency catalysts. Partnerships with renewable energy providers for integrated solutions.

By 2035, the market is expected to achieve substantial growth, positioning itself as a leader in clean energy solutions.

Market Segmentation

South Korea Hydrogen Electrolyzer Market Capacity Outlook

  • Low (<= 150 kW)
  • Medium (150kW - 1mW)
  • High (> 1mW)

South Korea Hydrogen Electrolyzer Market End-user Outlook

  • Ammonia
  • Methanol
  • Refining/ Hydrocarbon
  • Electronics
  • Energy
  • Power to Gas
  • Transport
  • Metal Production and Fabrication
  • Pharma and Biotech
  • Food and Beverages
  • Glass Industry
  • Others

South Korea Hydrogen Electrolyzer Market Product Type Outlook

  • Proton Exchange Membrane Electrolyzer
  • Alkaline Electrolyzer
  • Solid Oxide Electrolyzer

South Korea Hydrogen Electrolyzer Market Outlet Pressure Outlook

  • Low (<= 10 Bar)
  • Medium (10 Bar - 40 Bar)
  • High (> 40 Bar)

Report Scope

MARKET SIZE 2024 54.69(USD Million)
MARKET SIZE 2025 68.38(USD Million)
MARKET SIZE 2035 638.38(USD Million)
COMPOUND ANNUAL GROWTH RATE (CAGR) 25.03% (2025 - 2035)
REPORT COVERAGE Revenue Forecast, Competitive Landscape, Growth Factors, and Trends
BASE YEAR 2024
Market Forecast Period 2025 - 2035
Historical Data 2019 - 2024
Market Forecast Units USD Million
Key Companies Profiled Nel Hydrogen (NO), ITM Power (GB), Siemens Energy (DE), Plug Power (US), McPhy Energy (FR), Hydrogenics (CA), Cummins (US), Enel Green Power (IT), Linde (DE)
Segments Covered Product Type, Capacity, Outlet Pressure, End-user
Key Market Opportunities Growing demand for renewable hydrogen fuels drives innovation in the hydrogen electrolyzer market.
Key Market Dynamics Rising investments in hydrogen electrolyzer technology driven by government policies and increasing demand for clean energy solutions.
Countries Covered South Korea
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FAQs

What is the expected market size of the South Korea Hydrogen Electrolyzer Market in 2024?

The South Korea Hydrogen Electrolyzer Market is expected to be valued at 54.8 million USD in 2024.

What will the market size of the South Korea Hydrogen Electrolyzer Market be by 2035?

By 2035, the South Korea Hydrogen Electrolyzer Market is projected to reach a valuation of 479.4 million USD.

What is the expected compound annual growth rate (CAGR) for the South Korea Hydrogen Electrolyzer Market from 2025 to 2035?

The expected CAGR for the South Korea Hydrogen Electrolyzer Market from 2025 to 2035 is 21.795 percent.

Which product type holds the largest market share in the Hydrogen Electrolyzer Market in 2024?

The Proton Exchange Membrane Electrolyzer is expected to hold the largest market share, valued at 22.0 million USD in 2024.

What are the projected market values for Alkaline Electrolyzer and Solid Oxide Electrolyzer in 2024?

The Alkaline Electrolyzer is valued at 18.0 million USD, while the Solid Oxide Electrolyzer is valued at 14.8 million USD in 2024.

What market trends are driving growth in the South Korea Hydrogen Electrolyzer Market?

Growing demand for clean hydrogen production and advancements in electrolyzer technology are key trends driving market growth.

Who are the major players in the South Korea Hydrogen Electrolyzer Market?

Key players include Nel Hydrogen, Hanwha Group, Samsung Engineering, and Hyundai Motor Company among others.

How do market values for Proton Exchange Membrane Electrolyzer change by 2035?

The market value for Proton Exchange Membrane Electrolyzer is expected to increase to 203.0 million USD by 2035.

What challenges does the South Korea Hydrogen Electrolyzer Market currently face?

Challenges include high initial costs and the need for technological advancements for wider adoption of electrolyzers.

What impact does the competitive landscape have on the South Korea Hydrogen Electrolyzer Market?

The competitive landscape fosters innovation and pricing strategies, influencing growth and market differentiation.

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