Wind power is even less cost-effective than we thought

A group of CMU researchers have found that barely half of off-shore wind turbines will likely survive their full design life:

The US Department of Energy set a goal for the country to generate 20 per cent of its electricity from wind by 2030. One-sixth is to come from shallow offshore turbines that sit in the path of hurricanes.

Stephen Rose and colleagues from Carnegie Mellon University in Pittsburgh, Pennsylvania, modelled the risk hurricanes might pose to turbines at four proposed wind farm sites. They found that nearly half of the planned turbines are likely to be destroyed over the 20-year life of the farms. Turbines shut down in high winds, but hurricane-force winds can topple them.

(Via Instapundit.)

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