"But the IRS determined that it would restart the clock on [tax] credits if a wind farm “repowered” its turbines—replacing equipment with newer parts. So, despi

"But the IRS determined that it would restart the clock on [tax] credits if a wind farm “repowered” its turbines—replacing equipment with newer parts. So, despite the expected two-decade lifespan for turbine blades, wind farms began replacing many that remained in good shape years early." America, where no perverse incentive can be allowed to be left unexploited :(