State any two limitations of wind energy.

State any two limitations of wind energy.
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Limitations of wind energy: 1) Wind turbine produces noise. 2) Its efficiency is less (20% to 30%) 3) There is limitation on site selection. 4) Transportation cost of wind tower and accessories is high. 5) Its reliability to generate power is less. 6) No firm power. 7) Power generation is not in phase with the demand. 8) Generation is costly.

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