Offshore conversion of wind power to gaseous fuels: feasibility study in a depleted gas field

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dc.contributor.authorO'Kelly-Lynch, Patrick D.
dc.contributor.authorGallagher, Paul D.
dc.contributor.authorBorthwick, Alistair G. L
dc.contributor.authorMcKeogh, Eamon J.
dc.contributor.authorLeahy, Paul G.
dc.contributor.funderScience Foundation Irelanden
dc.date.accessioned2019-08-28T14:16:24Z
dc.date.available2019-08-28T14:16:24Z
dc.date.issued2019-05-27
dc.date.updated2019-08-28T14:03:41Z
dc.description.abstractA proof-of-concept study is presented of a Power-to-Gas system that is located fully offshore. This paper analyses how such a system would perform if based at the depleted Kinsale Gas Field in the Celtic Sea Basin off the south coast of Ireland. An offshore wind farm is proposed as the power source for the system. Several conversion technologies are examined in detail in terms of resource efficiency, technological maturity, and platform area footprint, the aim being to ascertain their overall applicability to an offshore Power-to-Gas system. The technologies include proton exchange membrane electrolysers for electrolysis of water to release H2. Bipolar membrane electro-dialysis and electronic cation exchange module processes are also considered for the extraction of CO2 from seawater. These technologies provide the feedstock for the Sabatier process for the production of CH4 from H2 and CO2. Simulations of the end-to-end systems were carried out using Simulink, and it was found that the conversion of offshore wind power to hydrogen or methane is a technically feasible option. Hydrogen production is much closer to market viability than methane production, but production costs are too high and conversion efficiencies too low in both cases with present-day technology to be competitive with current wholesale natural gas prices.en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationKelly-Lynch, P., Gallagher, P., Borthwick, A., McKeogh, E. and Leahy, P. (2019) 'Offshore conversion of wind power to gaseous fuels: Feasibility study in a depleted gas field', Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, In Press, doi: 10.1177/0957650919851001en
dc.identifier.doi10.1177/0957650919851001en
dc.identifier.endpage40en
dc.identifier.issn0957-6509
dc.identifier.journaltitleProceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energyen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/8404
dc.language.isoenen
dc.publisherSage Publicationsen
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres/12/RC/2302/IE/Marine Renewable Energy Ireland (MaREI) - The SFI Centre for Marine Renewable Energy Research/en
dc.relation.urihttps://journals.sagepub.com/doi/10.1177/0957650919851001
dc.rights© IMechE 2019. Reprinted by permission of SAGE Publications. The published version of record is available at https://journals.sagepub.com/doi/10.1177/0957650919851001en
dc.subjectEnergy storageen
dc.subjectElectrolysisen
dc.subjectSabatier processen
dc.subjectMethanationen
dc.subjectSyngasen
dc.subjectCO2 extraction from seawateren
dc.subjectOffshore wind farmsen
dc.titleOffshore conversion of wind power to gaseous fuels: feasibility study in a depleted gas fielden
dc.typeArticle (peer-reviewed)en
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