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Wind turbines generate energy when their three long blades rotate in the wind, turning a generator to produce electricity. One large turbine generates enough energy for over 500 homes. The largest wind turbines are equal... More »

www.reference.com Science Environmental Science Sustainability

Wind energy is a renewable source of energy that does not produce any harmful by-products. People capture wind energy by using turbines. As the wind turns the blades of a turbine, it generates energy to power a generator... More »

www.reference.com Science Environmental Science Sustainability

Hydropower is one of the oldest power sources, and it is a renewable source. Hydropower is less costly than most energy sources, and states in the United States that get the majority of their power from water have lower ... More »

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Wind energy is a form of electricity that is created by wind turbines. Wind energy is used as a mechanical power that is transformed into electricity, with the use of a generator. More »

www.reference.com Science Environmental Science Sustainability

Wind turbines turn the kinetic energy of the wind into mechanical energy and then electricity through the use of a shaft and a gearbox that power an internal generator. Sensors in the wind turbine allow it to turn and ad... More »

www.reference.com Science Physics Electricity

Find free plans for building a wind generator at TheSelfSufficientLiving.com, which recommends eight free DIY plans for building wind turbines. TreeHugger.com also features a free design for a vertical axis wind turbine. More »

www.reference.com Science Environmental Science Sustainability

A benefit of a homemade wind generator is the ability to make one's own electricity. This is especially useful for remote locations, those wanting to save on electric bills, individuals wanting to live off-grid or people... More »

www.reference.com Science Environmental Science Sustainability