Seasonal Correction of Offshore Wind Energy Potential due to Air Density: Case of the Iberian Peninsula
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Author/sUlazia, Alain; Ibarra-Berastegi, Gabriel; Sáenz, Jon; Carreno-Madinabeitia, Sheila; González-Rojí, Santos J.
Weather Research and Forecast Model—WRF
Offshore wind energy
A constant value of air density based on its annual average value at a given location is commonly used for the computation of the annual energy production in wind industry. Thus, the correction required in the estimation of daily, monthly or seasonal wind energy production, due to the use of air density, is ordinarily omitted in existing literature. The general method, based on the implementation of the wind speed’s Weibull distribution over the power curve of the turbine, omits it if the power curve is not corrected according to the air density of the site. In this study, the seasonal variation of air density was shown to be highly relevant for the computation of offshore wind energy potential around the Iberian Peninsula. If the temperature, pressure, and moisture are taken into account, the wind power density and turbine capacity factor corrections derived from these variations are also significant. In order to demonstrate this, the advanced Weather Research and Forecasting mesoscale ...