U.S. Wind Turbines Are Getting Less Powerful—and That's a Good Thing

Wind turbine manufacturers are deliberately putting the brakes on the maximum generation capacity of their turbines - holding back the peak possible power, with the result that turbines produce more electricity, not less.

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https://www.popularmechanics.com/science/energy/a23120126/us-wind-turbines-are-getting-less-powerfuland-thats-a-good-thing/