Tidal Energy Yield Uncertainties: Learnings from the Wind Energy Industry

Alistair Borthwick, Robert Clayton, Roisin Fahey, Alan Mortimer, Helen Smith, Qing Xiao

Research output: Chapter in Book/Report/Conference proceedingConference contribution


As the tidal industry moves towards array development, approaches are required to evaluate uncertainty and minimise risk. This is a topic that has been addressed in detail by the wind energy industry and experience has shown that resource assessment is complex and subject to inherent uncertainty. Historically, wind farm performance has been overestimated, adversely affecting investment and impacting sector growth. Present wind resource assessment methods allow
the uncertainty in project return estimates to be determined. This paper proposes a transfer of existing experience and knowledge of uncertainty estimation from established processes within the wind industry to the nascent tidal industry, based on similarities in annual energy yield calculations. Results show there are significant analogies between the processes of wind and
tidal yield assessments. There is significant overlap within resource modelling, power performance assessment and wake effect analysis. Knowledge and processes can be modified from wind techniques to better evaluate the tidal resource and estimate the yield output.
Original languageEnglish
Title of host publicationProceedings of 12th European Wave and Tidal Energy Conference, EWTEC17
Pages1036-1 to 1036-9
Number of pages9
Publication statusPublished - 2017

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