What is the Efficiency of Wind Power?

Q: What is the efficiency of wind power?   The power efficiency of the rotor is defined as a fraction of the entire accessible power that the wind blades are able to convert into useful energy. A wind turbine is not able to convert 100 percent of the energy from the wind because it is limited by the so-called Betz law. The Betz law says that at most 59.3 percent of the total wind energy can be extracted. The concept {Read More}