Wind Energy Science
Wind Energy Science
WES
Articles | Volume 10, issue 9
Articles | Volume 10, issue 9
https://doi.org/10.5194/wes-10-1807-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wes-10-1807-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 10, issue 9
Research article
 | 
03 Sep 2025
Research article |  | 03 Sep 2025

Backup power supply for a hydrogen-producing offshore wind turbine – a technology comparison

Linus Niklaus, Paul Rothe, Johannes Liebertseder, and Martin Doppelbauer

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Short summary
Both fuel cells and combustion engines can be used to supply hydrogen-producing offshore wind turbines with electrical energy in the event of calm wind. A simulative comparison in combination with a qualitative assessment considering the maritime boundary conditions showed that the combination of an internal combustion engine and a battery storage system is the most suitable for this purpose. This system provides high energy efficiency with the necessary robustness on the high seas.
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