Yes, for two reasons: windspeed is greater at higher altitudes, and energy capture increases with the square of the blade length: https://www.gwec.net/wp-conte

Yes, for two reasons: windspeed is greater at higher altitudes, and energy capture increases with the square of the blade length: https://www.gwec.net/wp-content/uploads/2017/01/Netherlands_.jpg https://www.gwec.net/wp-content/uploads/2017/01/Netherlands_... This means that a windmill constructed with 3x the building material (3x blade diameter and 3x taller) will generate over 9x the power.