Comparison of offshore and onshore hydrogen production from offshore wind

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Abstract

Previous studies by the same authors optimise the infrastructure of a reversible Solid Oxide Cell (rSOC) system for offshore hydrogen production from an offshore wind farm. The current study investigates onshore hydrogen production, optimising rSOC, hydrogen storage and subsea cable capacities based on Capex for hydrogen storage, subsea connection, and rSOC system, as well as electricity prices and the value of non-reconverted hydrogen, thanks to energy system modelling for hourly fluctuations over the duration of a year. The simulation reveals that average day-ahead electricity prices and their fluctuations significantly influence optimization. Low electricity prices favour keeping hydrogen as a gas, whereas high prices justify the increased Capex for reconverting hydrogen into electricity using a reversible system. This trend holds both for onshore and offshore cases. However, onshore scenarios generally require higher capacities for rSOC and standalone fuel cell modes, which are sometimes recommended only onshore.
Original languageEnglish
Title of host publicationInnovations in Renewable Energies Offshore
Subtitle of host publicationProceedings of the 6th International Conference on Renewable Energies Offshore (RENEW 2024, 19-21 November 2024, Lisbon, Portugal)
EditorsCarlos Guedes Soares, Shan Wang
Place of PublicationLondon
PublisherCRC Press
Pages889-897
Number of pages9
Edition1st
ISBN (Electronic)9781003558859
ISBN (Print)9781032905570
DOIs
Publication statusPublished - 7 Nov 2024
Event6th International Conference on Renewable Energies Offshore, RENEW 2024 - Lisbon, Portugal
Duration: 19 Nov 202421 Nov 2024

Publication series

NameProceedings in Marine Technology and Ocean Engineering
PublisherCRC Press Taylor & Francis Group
Volume14

Conference

Conference6th International Conference on Renewable Energies Offshore, RENEW 2024
Country/TerritoryPortugal
CityLisbon
Period19/11/2421/11/24

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geotechnical Engineering and Engineering Geology
  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment

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