How a wind turbine works
Simply stated, a wind turbine works the opposite of a fan. Instead of using electricity to make wind, a turbine uses wind to make electricity.
The wind turns the blades, which spin a shaft, which connects to a generator and makes electricity The electricity is sent through transmission and distribution lines to a substation, then on to homes, business and schools.
The advantages of wind power
The advantages of wind power are obvious: the energy is free and completely renewable, there are no hazardous emissions, and there are no adverse environmental impacts.
In 1990 in California alone, wind power offset the emission of more than 2.5 billion pounds of carbon dioxide and 15 million pounds of other pollutants - the same amount of air quality provided by more than 150 million trees.
Source: http://www.alliantenergygeothermal.com
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