Wednesday, February 15, 2012

Green Fail: Half of all offshore wind farm turbines would be destroyed by hurricanes over 20 year period


President Obama has a goal to generate 20 per cent of our electricity from wind by 2030. One sixth is supposed to come from off shore wind farms.
(New Scientist)-Gone with the wind? Hurricanes could destroy the offshore wind farms the US is planning to build in the Atlantic and the Gulf of Mexico.

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. Keep on reading...

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