Wind Energy Science
Wind Energy Science
WES
Articles | Volume 11, issue 9
Articles | Volume 11, issue 9
https://doi.org/10.5194/wes-11-3509-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wes-11-3509-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 11, issue 9
Research article
 | 
16 Sep 2026
Research article |  | 16 Sep 2026

Case study of a site-specific design and operation optimization of a wind farm co-located PEM electrolyzer and BESS including degradation

Dustin Frings, Georg Jacobs, Thorsten Reichartz, Thora Potthoff, Lucas Blickwedel, and Martin Knops

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Short summary
This research developed an optimal design model for hydrogen and battery equipment for a wind farm in northwest Germany. By accounting for equipment aging and part-load efficiency of a polymer electrolyte membrane electrolyzer, the tool provides a realistic economic assessment. Results show that neglecting these effects leads to a significant overestimation of profits. This method offers developers a reliable way to plan renewable hydrogen systems and ensures secure investment decisions.
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