Spatio-temporal variation in wave power and implications for electricity supply

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dc.contributor.authorFairley, I.
dc.contributor.authorSmith, H. C. M.
dc.contributor.authorRobertson, Bryson
dc.contributor.authorAbusara, M.
dc.contributor.authorMasters, I.
dc.date.accessioned2019-06-11T16:20:59Z
dc.date.available2019-06-11T16:20:59Z
dc.date.copyright2017en_US
dc.date.issued2017
dc.description.abstractWave energy resources are intermittent and variable over both spatial and temporal scales. This is of concern when considering the supply of power to the electricity grid. This paper investigates whether deploying arrays of devices across multiple spatially separated sites can reduce intermittency of supply and step changes in generated power, thereby smoothing the contribution of wave energy to power supply. The primary focus is on the southwest UK; SWAN wave model hindcast data are analysed to assess the correlation of the resource across multiple sites and the variability of power levels with wave directionality. Power matrices are used to calculate step changes in the generated power with increasing numbers of sites. This is extended to national and European scales using ECMWF hindcast data to analyse the impacts of generating power at multiple sites over wider areas. Results show that at all scales the step change in generated power and the percentage of time with zero generation decreases with increasing numbers of sites before plateauing. This has positive implications for performance of electricity grids with high levels of renewable penetration.en_US
dc.description.reviewstatusRevieweden_US
dc.description.scholarlevelFacultyen_US
dc.description.sponsorshipThe work was supported by the EPSRC funded "Extension of UKCMER Core Research, Industry and International Engagement" project (EP/M014738/1) and (EP/P008682/1). The Authors acknowledge the financial support provided by the Welsh Government and Higher Education Funding Council for Wales through the Ser Cymru National Research Network for Low Carbon, Energy and Environment (C001822). This study was a re-analysis of existing data, which are openly available at locations cited in the reference section.en_US
dc.identifier.citationFairley, I.; Smith, H. C. M.; Robertson, B.; Abusara, M.; & Masters, I. (2017). Spatio-temporal variation in wave power and implications for electricity supply. Renewable Energy, 114(A), 154-165. DOI: 10.1016/j.renene.2017.03.075en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.renene.2017.03.075
dc.identifier.urihttp://hdl.handle.net/1828/10918
dc.language.isoenen_US
dc.publisherRenewable Energyen_US
dc.subjectwave power
dc.subjectwave resource
dc.subjectgrid integration
dc.subjectSWAN wave model
dc.subjectwave intermittency
dc.subjectbuoy data
dc.subjectInstitute for Integrated Energy Systems (IESVic)
dc.subjectWest Coast Wave Initiative
dc.titleSpatio-temporal variation in wave power and implications for electricity supplyen_US
dc.typeArticleen_US

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