Siemens Energy Group and Siemens Gamesa Invest Heavily in Hydrogen to Reduce Acute Levels of Carbon in the Earth’s Atmosphere by 2025
The wind turbine manufacturer Siemens Gamesa Renewable Energy SA and its controlling shareholder Siemens Energy AG are set to combine their industrial expertise to develop projects that lead to a fully integrated offshore wind-to-hydrogen system. The companies stated in a joint release on Wednesday that they plan to invest around EUR 120 million (US$ 145.9 million) in development over the next five years, with Siemens Gamesa contributing EUR 80 million and Siemens Energy covering the rest.
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The Companies’ Demonstration is Expected to Take Place in Mid-2025/2026
Siemens Gamesa and Siemens Energy plan to deliver a real-scale offshore demonstration of their solution by 2025/2026. In the meantime, Siemens Gamesa will adapt its 14 MW offshore wind turbine, the SG14-222 DD, to integrate an electrolysis system into the machine’s operations.
Siemens Energy is tasked with developing a new electrolyzer capable of perfectly synchronizing with the turbine while surviving harsh offshore conditions. The array of electrolyzers will be located at the base of the turbine tower to produce hydrogen directly.
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Hydrogen and Carbon Reduction with Siemens Gamesa and Energy
According to the companies, the solution could operate off-grid, contributing to the reduction of green hydrogen costs and opening doors for the selection of more and better wind locations.
The duo stated that their efforts could be implemented as part of the “Hydrogen Republic of Germany” ideas competition launched by the German Federal Ministry of Education and Research, which aims to support green hydrogen initiatives.
The Siemens Energy-Siemens Gamesa projects are part of the H2Mare initiative, which the companies stated will likely receive support from the Hydrogen Republic of Germany.

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