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Neunkirchen: Milestone for green hydrogen in industry!
Neunkirchen, Germany: Purem and Topsoe reach milestone in green hydrogen production using SOEC technology.
Neunkirchen: Milestone for green hydrogen in industry!
On June 5, 2025, Purem by Eberspaecher and Topsoe celebrated a significant milestone in their green hydrogen partnership. In Neunkirchen, Germany, the first pressure vessels for the SOEC technology (Solid Oxide Electrolysis Cell) presented by Topsoe. This technology is crucial for the production of green hydrogen, an important component of clean fuels for the sustainable future.
Topsoe's SOEC technology enables efficient hydrogen production from water, being up to 35% more efficient than traditional methods. The presentation of the pressure vessels took place in the presence of Topsoe management and Jürgen Barke, the Saarland Minister for Economic Affairs. Purem by Eberspaecher will not only manufacture the pressure vessels, but also produce steel parts at their factory in Neunkirchen to expand their expertise in industrialization.
Details on production and development
These pressure vessels are manufactured using a special concept that is designed for large-scale production. Purem by Eberspaecher has already started training selected employees in welding technology at the Neunkirchen location. This will serve as the basis for future certifications outside of the automotive sector.
Construction is also underway on a first-of-its-kind manufacturing plant that will be the first industrial SOEC plant for the production of green hydrogen electrolyzers in the world. This gigantic plant in Herning, Denmark, will have an initial capacity of 500 MW and is expected to be operational by the end of 2025. 150 people will be employed there once the factory is fully operational. Topsoe aims to have significant electrolysis capacity necessary to achieve net zero emissions targets by 2050. Topsoe CEO Roeland Baan highlights that rapid manufacturing capacity for electrolysis technology is now essential.
The importance of green hydrogen
Green hydrogen is seen as an important building block for decarbonizing hard-to-decarbonize sectors such as aviation, shipping and heavy industry, which together account for around 30% of global emissions. To achieve net zero emissions by 2050, an estimated installed electrolysis capacity of 3,670 gigawatts will be required. The new SOEC facility will potentially deliver up to 125,000 tonnes of hydrogen annually, playing a crucial role in the energy transition.
SOEC technology will also play a central role in storing green hydrogen for use in times of shortage of renewable energy sources. The first customer to utilize Topsoe's SOEC electrolyzers is First Ammonia.
With these developments, Purem by Eberspaecher and Topsoe demonstrate their determination to advance the production of green hydrogen and thus make a significant contribution to the energy transition.