At the present the generation of electric and mechanical power by wind is the only economically viable form of sustainable energy ready to take a significant part of the load of the generation of power from all other its alternative resources.
Although it still only provides less than one percent of global energy consumption but it is gaining worldwide popularity on a large scale as energy resource. Scientists always try to discover new ways to meet the energy requirements. There are two important ways to generate the energy which always have attracted the them for a long time which are
1. Energy generation from sun known as solar power.
2. Energy generation from wind.