Frequently Asked Questions (FAQ) Electric Green Planet .com!
Wind Power Question: How efficient are wind turbines?
Answer: The theoretical maximum energy which a wind turbine can extract from the wind blowing across it is just under 60%, known as the Betz limit. However the meaning of efficiency is a redundant concept to apply to wind energy, where the fuel is free. The primary concern is not the efficiency for its own sake, but to improve productivity in order to bring the price of wind energy down.
People often confuse efficiency with intermittency. Wind might be inconsistent but the likelihood that wind will stop is negligent
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