Aging Wind Farms Are Repowering with Longer Blades, More Efficient Turbines

Technological advancements are making first generation wind turbines more efficient and blades more aerodynamic after being refit with new components.

“We can tweak it so it becomes a different machine,” one official said. Credit: Dennis Schroeder/NREL Old wind farms that have towered over the same fields for more than a decade may be generating more power now […]

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