A 35 year high-resolution wave atlas for nearshore energy production and economics at the Aegean Sea

George Lavidas, Vengatesan Venugopal

Research output: Contribution to journalArticlepeer-review

Abstract

The study enhances the coastal resource knowledge and discusses opportunities for wave energy in the
Aegean Sea. A fine-resolution numerical wave model is utilised to provide results for the Greek coastal
regions. The model ran for 35 years (1980e2014) estimating wave characteristics, and quantifying the
wave energy potential in coastal areas. The results deliver the energy potential, variability, and site
characterisation for the Aegean Sea.
The dataset is coupled with wave energy converters power matrices to provide for the first time a
long-term analysis of expected power production. Performance of devices is highly dependent on
matching the power matrix to the local resource, suitable devices can obtain capacity factor up to 20%
and favour operation for low wave heights and high frequencies.
Based on energy analysis data, an economic performance and payback period of a hypothetical wave
farm is examined. With little information on wave energy in the region, this preliminary cost-to-benefit
analysis shows the viability of wave converters. Even with high capital expenditure associated with novel
technologies, certain scenarios achieve amortization periods at 7.5 years for a properly selected converter.
Results are comparable with previous renewable schemes aimed at increasing the cumulative
installation of other early stage technologies
Original languageEnglish
JournalRenewable Energy
Volume103
Early online date26 Nov 2016
DOIs
Publication statusPublished - Apr 2017

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