A useful way to evaluate the wind resource available at a potential site (see wind resource evaluation). The wind power density, measured in watts per square meter, indicates how much energy is available at the site for conversion by a wind turbine. Classes of wind power density for two standard win...
Found on
http://www.daviddarling.info/encyclopedia/W/AE_wind_power_density.html
The method for rating wind energy, ranging from Class 1 (the lowest) to Class 7 (the highest). Wind power density of Class 3 or greater is generally considered adequate for utility-scale wind energy generation. The most economical sites for large wind farms have power density classes of Class 4 or higher.
Found on
https://www.encyclo.co.uk/local/22831
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