Siemens Gamesa, Siemens Energy to unlock a new era of offshore green hydrogen production

To reach the Paris Agreement goals, the world will need vast amounts of green hydrogen and wind will provide a large portion of the power needed for its production. Siemens Gamesa and Siemens Energy announced today that they are joining forces combining their ongoing wind-to-hydrogen developments to address one of the major challenges of our decade — decarbonizing the economy to solve the climate crisis.

The companies are contributing with their developments to an innovative solution that fully integrates an electrolyzer into an offshore wind turbine as a single synchronized system to directly produce green hydrogen. The companies intend to provide a full-scale offshore demonstration of the solution by 2025/2026. The German Federal Ministry of Education and Research announced today that the developments can be implemented as part of the idea’s competition "Hydrogen Republic of Germany".

• Projects target a total investment of about EUR 120 MM (US $145.91 MM) over five years in
  developments leading to a fully integrated offshore wind-to-hydrogen solution
• Projects are first major step to develop an industrial-scale system capable of harvesting green
  hydrogen from offshore wind
• Developments will enable decarbonization of hard-to-abate sectors such as transport and
  heavy industry
• Implementation within the framework of the ideas competition "Hydrogen Republic of
  Germany" of the Federal Ministry of Education and Research

Over a time frame of five years, Siemens Gamesa plans to invest EUR 80 MM and Siemens Energy is targeting to invest EUR 40 MMin the developments. Siemens Gamesa will adapt its development of the world’s most powerful turbine, the SG 14-222 DD offshore wind turbine, to integrate an electrolysis system seamlessly into the turbine’s operations. By leveraging Siemens Gamesa’s intricate knowledge and decades of experience with offshore wind, electric losses are reduced to a minimum, while a modular approach ensures a reliable and efficient operational set-up for a scalable offshore wind-to-hydrogen solution. Siemens Energy will develop a new electrolysis product to not only meet the needs of the harsh maritime offshore environment and be in perfect sync with the wind turbine, but also to create a new competitive benchmark for green hydrogen.

The ultimate fully integrated offshore wind-to-hydrogen solution will produce green hydrogen using an electrolyzer array located at the base of the offshore wind turbine tower, blazing a trail towards offshore hydrogen production. The solution will lower the cost of hydrogen by being able to run off grid, opening up more and better wind sites. The companies’ developments will serve as a test bed for making large-scale, cost-efficient hydrogen production a reality and will prove the feasibility of reliable, effective implementation of wind turbines in systems for producing hydrogen from renewable energy.

The developments are part of the H2Mare initiative which is a lighthouse project likely to be supported by the German Federal Ministry of Education and Research ideas competition "Hydrogen Republic of Germany". The H2mare initiative under the consortium lead of Siemens Energy is a modular project consisting of multiple sub-projects to which more than 30 partners from industry, institutes and academia are contributing. Siemens Energy and Siemens Gamesa will contribute to the H2Mare initiative with their own developments in separate modular building blocks.

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