The Global Green Hydrogen Production Market was valued at USD 4.1 Billion in 2025 and is projected to reach USD 89.2 Billion by 2034, growing at a Compound Annual Growth Rate (CAGR) of 44.5% during the forecast period (2024–2030). This explosive growth is primarily driven by stringent global decarbonization mandates, falling renewable energy costs, and substantial government investments in hydrogen infrastructure across North America, Europe, and Asia-Pacific.

As the world accelerates its shift away from fossil fuels, green hydrogen has emerged as a cornerstone for achieving net-zero emissions in hard-to-abate sectors like industry and heavy transport. In this blog, we profile the Top 10 Companies in the Global Green Hydrogen Production Market—global energy leaders, technology innovators, and industrial giants who are building the foundation for a sustainable hydrogen economy.

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🔟 1. Siemens Energy

Headquarters: Munich, Germany
Key Offering: PEM (Proton Exchange Membrane) and SOEC (Solid Oxide Electrolyzer) Electrolyzers, Integrated Hydrogen Solutions

Siemens Energy is a global powerhouse in electrolyzer technology and integrated hydrogen projects. The company leverages its expertise in power generation and industrial automation to deliver large-scale green hydrogen production plants, from feasibility studies to full operational management.

Key Projects & Initiatives:

• Development of one of the world’s largest PEM electrolyzers for the Wunsiedel Energy Park in Germany

• Partnership with Air Liquide for large-scale renewable hydrogen production in Europe

• Pioneering the use of hydrogen in gas turbine power generation for decarbonized electricity

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9️⃣ 2. Linde plc

Headquarters: Guildford, United Kingdom (Global Operations)
Key Offering: Turnkey Electrolysis Plants, Hydrogen Liquefaction, Distribution & Logistics

Linde is a world-leading industrial gases company with a strong foothold in the hydrogen market. It is investing heavily to convert its extensive hydrogen production and supply chain to green and low-carbon sources, serving a wide array of industries from refining to electronics.

Key Projects & Initiatives:

• Operating one of the world’s first and largest PEM electrolyzer plants in Leuna, Germany

• Developing a network of liquid hydrogen production and refueling stations for mobility in the U.S. and Europe

• Strategic partnerships for large-scale green hydrogen projects in the Asia-Pacific region

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8️⃣ 3. Air Products and Chemicals, Inc.

Headquarters: Allentown, Pennsylvania, USA
Key Offering: Large-Scale Green Hydrogen Production Facilities, Hydrogen Fueling Infrastructure

Air Products is a global leader in hydrogen production and has committed over $15 billion to major green hydrogen projects worldwide. The company’s strategy focuses on building massive, fully integrated hydrogen energy complexes that cover production, liquefaction, and distribution.

Key Projects & Initiatives:

• $5 billion NEOM Green Hydrogen Project in Saudi Arabia – set to be the world’s largest upon completion

• Multi-billion-dollar net-zero hydrogen energy complex in Edmonton, Canada

• Development of a landmark green liquid hydrogen production facility in New York, USA

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7️⃣ 4. Shell plc

Headquarters: London, United Kingdom
Key Offering: Integrated Green Hydrogen Hubs, Refinery Hydrogen Supply, Mobility Solutions

Shell is leveraging its global energy infrastructure and customer base to become a leading player in green hydrogen. The company is developing hydrogen hubs around key ports and industrial clusters, integrating production with its renewable energy assets and downstream fuel markets.

Key Projects & Initiatives:

• Developing the 200MW Holland Hydrogen 1 project, one of Europe’s largest renewable hydrogen plants

• Partnering on numerous feasibility studies for large-scale green hydrogen export projects

• Expanding its network of hydrogen refueling stations for light-duty and heavy-duty vehicles

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6️⃣ 5. China Petrochemical Corporation (Sinopec)

Headquarters: Beijing, China
Key Offering: Gigawatt-scale Green Hydrogen Projects, Pipeline Transportation

Sinopec, one of the world’s largest oil refiners, is aggressively pivoting towards green hydrogen to decarbonize its operations and support China’s national hydrogen strategy. The company is building some of the largest PV-powered hydrogen production facilities globally.

Key Projects & Initiatives:

• Commissioned the 260MW Kuqa solar-to-hydrogen project in Xinjiang – the world’s largest of its kind

• Planning to build a thousand hydrogen refueling stations by 2025 across China

• Integrating green hydrogen production with its extensive national pipeline network

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5️⃣ 6. Engie

Headquarters: La Défense, France
Key Offering: Renewable Hydrogen Production, Power-to-X Solutions, Project Development

Engie, a global leader in low-carbon energy and services, is developing a diversified portfolio of green hydrogen projects. The company focuses on integrating hydrogen production with its vast renewable energy generation capacity to serve industrial and mobility customers.

Key Projects & Initiatives:

• Leading the ‘HyDeal Ambition’ initiative, targeting 95GW of solar-powered hydrogen production by 2030

• Developing large-scale hydrogen projects in Chile, Australia, and the Middle East for export markets

• Pioneering Power-to-X applications, converting green hydrogen into e-fuels and green ammonia

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4️⃣ 7. Air Liquide

Headquarters: Paris, France
Key Offering: Electrolyzer Manufacturing, Large-Scale Production Plants, Hydrogen Infrastructure

Air Liquide is a major industrial gas company with decades of hydrogen experience. The company has committed to a large-scale investment program to decarbonize its hydrogen production and is a key manufacturer of electrolysis technology through its subsidiary, McPhy.

Key Projects & Initiatives:

• Plans to invest approximately €8 billion in the low-carbon hydrogen supply chain by 2035

• Building a 200MW electrolyzer in Normandy, France, to supply renewable hydrogen to TotalEnergies’ refinery

• Operating a growing global network of hydrogen refueling stations

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3️⃣ 8. Bloom Energy

Headquarters: San Jose, California, USA
Key Offering: Solid Oxide Electrolyzer Cells (SOEC), High-Efficiency Hydrogen Production

Bloom Energy brings a disruptive technology approach with its high-efficiency Solid Oxide Electrolyzer. The company’s SOEC technology is significantly more efficient than conventional electrolyzers, producing more hydrogen per unit of electricity, which can drastically reduce the Levelized Cost of Hydrogen (LCOH).

Key Projects & Initiatives:

• Partnering with LSB Industries to install a 10MW SOEC system at a major fertilizer production facility

• Demonstrating the world’s highest demonstrated efficiency for large-scale hydrogen electrolysis

• Focusing on industrial decarbonization applications where high-purity hydrogen is required

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2️⃣ 9. NEL Hydrogen

Headquarters: Oslo, Norway
Key Offering: Alkaline and PEM Electrolyzers, Hydrogen Refueling Stations (H2Station®)

NEL Hydrogen is one of the world’s oldest and most experienced pure-play hydrogen companies, specializing in electrolyzer technology and hydrogen fueling solutions. The company is a key supplier to projects worldwide, from small-scale industrial applications to multi-hundred-megawatt utility-scale plants.

Key Projects & Initiatives:

• Awarded contracts for several 100MW+ electrolyzer plants in Europe and the United States

• Pioneer in hydrogen refueling technology, with stations deployed across North America and Europe

• Focusing on automating electrolyzer manufacturing to drive down costs and scale production rapidly

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1️⃣ 10. ITM Power

Headquarters: Sheffield, United Kingdom
Key Offering: PEM Electrolyzers, Integrated Hydrogen Energy Systems

ITM Power is a leading manufacturer of Proton Exchange Membrane (PEM) electrolyzers, a technology well-suited for variable renewable energy sources like wind and solar. The company operates the world’s largest electrolyzer factory in Sheffield, positioning it as a major equipment supplier for the burgeoning green hydrogen market.

Key Projects & Initiatives:

• Supplying a 24MW PEM electrolyzer to the REFHYNE project at the Shell Rheinland Refinery in Germany

• Developing the 100MW electrolyzer for the Green Hydrogen @Clyde project in Scotland

• Strategic partnerships with heavy industry and energy companies to deploy large-scale PEM systems

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🌍 Outlook: The Future of Green Hydrogen is Scalable and Integrated

The green hydrogen production market is at a critical inflection point, transitioning from pilot demonstrations to gigawatt-scale commercial deployment. While costs remain a challenge, the industry is rapidly advancing towards price parity with fossil-based hydrogen, driven by innovation and massive economies of scale.

📈 Key Trends Shaping the Market:

• Exponential scaling of electrolyzer manufacturing capacity, with gigafactories coming online globally

• Strong regulatory support via policies like the US Inflation Reduction Act and EU Hydrogen Strategy

• Increasing focus on ‘Hydrogen Hubs’ that co-locate production with offtake to minimize infrastructure costs

• Rise of international hydrogen trade, with projects developing in resource-rich regions for export to demand centers

These top 10 companies are not just producing hydrogen; they are architecting the clean energy systems that will power a sustainable, decarbonized global economy for decades to come.

Get Full Report Here:
Global Green Hydrogen Production Market – View in Detailed Research Report