What is a windmill? A windmill is a device that harnesses wind energy by utilizing the kinetic energy of the wind and converts this energy into rotational kinetic energy, which is then used to grind grain and other crops. Although windmills can also be used for the generation of electricity,

Harvesting wind energy using wind turbines A wind turbine is a device that converts the energy in the flow of wind to electricity. In order to capture the wind energy, a wind turbine is employed. The wind drives the blades of a wind turbine which is connected to the rotor