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My May 2008 article on wind power was written after I attended a conference on supply problems in the industry, so you'll find a lot of details there. Also, follow some of the links. Basically, the U.S. is able to produce just over half the content of a large wind turbine. There are two critical areas: gearboxes, which are self-destructing after just 4 or 5 years, instead of the design life of 20 to 25 years; and transformers, which must all be imported into the U.S. as there is no domestic producer. As of May 2008, there were an amazing number of new production facilities being planned for the U.S., especially in Iowa and Minnesota, which are close to the wind-rich central plains.

Can the U.S. achieve 20% wind energy by 2030?
http://www.dailykos.com/story/2008/5/14/17722/3424/955/515691

by NBBooks on Thu Jan 22nd, 2009 at 11:01:34 PM EST
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