Texas grows wind-energy capacity, maintains U.S. lead

Texas expanded its wind-energy capacity by 57 percent in 2007.

What's more, Texas has 1,238.28 megawatts under construction, tops among other states. With no permitting required and plentiful open spaces, the state is considered a prime location for wind-farm developments.

U.S. wind farms will generate just over 1 percent of the nation's electricity supply this year, and the estimated 48 billion kilowatt-hours of wind energy is enough to power the equivalent of more than 4.5 million homes, according to the trade group
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