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Beautiful and powerful - windfarms are reshaping Michigan’s energy future.
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Once the nacelle is in place, the rotor is installed. The rotor typically contains three high-tech blades, a hub and a spinner. Blades range from 100 ft. to 180 ft. in length.
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The nacelle is then lifted to the top of the tower. The nacelle is a part of the turbine connected to the rotor and contains the turbine brakes, speed shafts, gearbox and generator.
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The rotor is connected to a shaft that spins, which creates energy. The turbines are connected to a power grid that captures the electricity and moves it where it needs to go.
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Turbines are built in stages. First the tower (consisting of 3 or 4 parts) is erected on a concrete base.