Source:[[Media:windenergy.pdf| Wind Energy]]<br>
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|The total installed wind power capacity from 2001 to 2010 is shown in fig. 1. All wind turbines installed by the end of year 2009 worldwide are generating 340 TWh per annum.
The country wise share of wind energy by the end of year 2009 is shown in fig. 2.
Source:[http://www.wwindea.org/home/index.php?option=com_content&task=view&id=266&Itemid=43 World Wind Energy Report 2009]
|[[Image:countryshare.JPEG|thumb|center|350px|Fig 2 [http://www.wwindea.org/home/index.php Country share of total capacity]]]
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Source:[http://www.wwindea.org/home/index.php?option=com_content&task=view&id=266&Itemid=43 World Wind Energy Report 2009]
==Working Principle of Wind Turbine ==