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Written ByDikshant Arora

Air Liquide Collaborates with Siemens Energy to Launch their Concerted Gigawatt Electrolyzer Factory in Berlin

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Aug 6, 2026

On November 8, Air Liquide and Siemens Energy celebrated the inauguration of their collaborative gigawatt electrolyzer factory in Berlin. This venture signals a major stride in the mass production of low-carbon hydrogen, aiming to bolster hydrogen manufacturing on an industrial scale at a competitive cost and fostering a pioneering European ecosystem for sustainable energy.

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Spanning 2,000 square meters, the Berlin plant is outfitted with cutting-edge automation and robotics designed to produce Proton Exchange Membrane (PEM) electrolyzer modules. Noted for their high efficiency and adaptability to fluctuating renewable energy sources, these modules are crucial for the electrolyzers' operation. Starting with a capacity of one gigawatt, the facility has an ambitious target to increase its output to three gigawatts by 2025. This expansion strategy is expected to streamline the assembly of electrolyzers closer to their intended sites, enhancing overall cost efficiency.

The Franco-German partnership harnesses the strengths of both corporations: Siemens Energy brings its advanced technology and industrial strength to the table, while Air Liquide offers its deep expertise in the hydrogen value chain and the development of bespoke solutions. Together, they are advancing several large-scale hydrogen projects, such as the Trailblazer in Germany and the Normand’Hy in France, which aim to substantially cut CO2 emissions. Further ventures in Denmark and Sweden are also in progress, focusing on hydrogen-based efuels for the shipping industry.

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This alliance is set to leverage the combined research and development prowess of both groups, dedicating resources to co-develop next-generation electrolyzer technologies.

According to the article by Procurement Resource, Air Liquide and Siemens Energy launched a gigawatt electrolyzer factory in Berlin on November 8, marking a significant step in industrial-scale, cost-effective low-carbon hydrogen production. The state-of-the-art 2,000 square meter facility is set to triple its PEM electrolyzer module output by 2025, streamlining production with advanced automation. This Franco-German partnership is driving major hydrogen projects to reduce emissions and innovate in sustainable hydrogen solutions for the energy sector.

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Dikshant Arora

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