Wind Energy is one of the forms of renewable non-polluting source of energy. In 2006 the total installed capacity in the world was 73.9 GW. About 1% of the energy need was met by wind. Only a fraction of the windenergy in the world has been made use of so for and lot of potential exists for expansion. At present the windenergy growth rate is 25%. India occupies the fourth position in wind energy production.
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