Wind Energy Wind Energy Energy can be extracted from the wind by transferring the momentum of passing air to rotor blades.
Wind power is now competitive, on price, with many conventional energy technologies.
Energy is concentrated into a single rotating shaft. The quantity of energy developed is the product of the density of the air and the cube of the wind speed. This report contains information on types, technical characteristics and prices of more than 200 wind turbines. There are numerous graphics throughout. The EWEA represents the interests of the European wind energy community at an international level.