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Quantifying the global wave power resource
Gunn, K.; Stock-Williams, C. (2012). Quantifying the global wave power resource. Renew. Energy 44: 296-304.
In: Renewable Energy. Elsevier: Oxford. ISSN 0960-1481; e-ISSN 1879-0682
Peer reviewed article  

Beschikbaar in  Auteurs 

    Energy > Wave energy
    Resources > Natural resources > Energy resources > Power from the sea > Wave power
Author keywords
    Wave resource; Resource assessment; Site finding

Auteurs  Top 
  • Gunn, K.
  • Stock-Williams, C.

    Justifying continued development and large-scale deployment of Wave Energy Converters (WECs) requires quantification of the potential resource. Currently, estimates are available for individual countries or, at low accuracy, for global resource. Additionally, existing estimates do not provide insight into potential future markets, i.e. the location of the resource.Here, NOAA WaveWatch III data are analysed for a 6-year period to calculate wave energy potential. The global market is then quantified by calculating the energy flux across a line 30 nautical miles offshore. Results are presented by country, continent, hemisphere and for the globe.Confidence values are also presented in the form of 95% confidence intervals. These limits provide insight into the uncertainty associated with the length of dataset used and the variability of the resource. This enables direct comparison with other resource assessment studies, whether using numerical model or measured data. An extensive survey of previous global and regional resource estimates is also conducted, in order to compare both results and methods.Supplementing this, extractable resource is estimated by considering the deployment of an illustrative WEC (Pelamis P2). The global wave power resource is 2.11 ± 0.05 TW, of which 4.6% is extractable with the chosen WEC configuration.

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