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

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dc.contributor.author O'Kelly-Lynch, Patrick D.
dc.contributor.author Gallagher, Paul D.
dc.contributor.author Borthwick, Alistair G. L
dc.contributor.author McKeogh, Eamon J.
dc.contributor.author Leahy, Paul G.
dc.date.accessioned 2019-08-28T14:16:24Z
dc.date.available 2019-08-28T14:16:24Z
dc.date.issued 2019-05-27
dc.identifier.citation Kelly-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: 10.1177/0957650919851001 en
dc.identifier.startpage 1 en
dc.identifier.endpage 40 en
dc.identifier.issn 0957-6509
dc.identifier.uri http://hdl.handle.net/10468/8404
dc.identifier.doi 10.1177/0957650919851001 en
dc.description.abstract A 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.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Sage Publications en
dc.relation.uri https://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/10.1177/0957650919851001 en
dc.subject Energy storage en
dc.subject Electrolysis en
dc.subject Sabatier process en
dc.subject Methanation en
dc.subject Syngas en
dc.subject CO2 extraction from seawater en
dc.subject Offshore wind farms en
dc.title Offshore conversion of wind power to gaseous fuels: feasibility study in a depleted gas field en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Paul Leahy, Civil Engineering, University College Cork, Cork, Ireland. +353-21-490-3000 Email: paul.leahy@ucc.ie en
dc.internal.availability Full text available en
dc.date.updated 2019-08-28T14:03:41Z
dc.description.version Accepted Version en
dc.internal.rssid 493164582
dc.contributor.funder Science Foundation Ireland en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy en
dc.internal.copyrightchecked No
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress paul.leahy@ucc.ie en
dc.internal.bibliocheck In Press, In press. Check vol / issue / page range. Amend citation as necessary.
dc.relation.project info: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


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