Energy Storage and Management of Offshore Wind-Based Green Hydrogen Production
2025
Isabella Pizzuti | Michela Conti | Giovanni Delibra | Alessandro Corsini | Alessio Castorrini
The coupling of offshore wind energy with hydrogen production involves complex energy flow dynamics and management challenges. This study explores the production of hydrogen through a PEM electrolyzer powered by offshore wind farms and Lithium-ion batteries. A digital twin is developed in Python with the aim of supporting the sizing and carrying out a techno-economic analysis. A controller is designed to manage energy flows on an hourly basis. Three scenarios are analyzed by fixing the electrolyzer capacity to meet a steel plant&rsquo:s hydrogen demand while exploring different wind farm configurations where the electrolyzer capacity represents 40%, 60%, and 80% of the wind farm. The layout is optimized to account for the turbine wake. Results reveal that when the electrolyzer capacity is 80% of the wind farm, a better energy balance is achieved, with 87.5% of the wind production consumed by the electrolyzer. In all scenarios, the energy stored is less than 5%, highlighting its limitation as a storage solution in this application. LCOE and LCOH differ minimally between scenarios. Saved emissions from wind power reach 268 ktonCO2/year while those from hydrogen production amount to 520 ktonCO2/year, underlying the importance of hydrogen in hard-to-abate sectors.
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Эту запись предоставил Multidisciplinary Digital Publishing Institute