If you are interested in more information on the subject...
EIA :: Energy Information Agency :: Official Energy Statistics from the U.S. Government
U.S. Department of Energy :: Wind Powering America
National Renewable Energy Laboratory :: Wind Research
Wikipedia Article on Wind Power in Texas :: http://en.wikipedia.org/wiki/Wind_power_in_Texas
Note that Texas has the largest current capacity (5,300 MW) and has been doing research since 1970. California is second in capacity at 2,400 MW.
WIND ENERGY DEVELOPMENT COMPANIES ::
Mesa Power [T. Boone Pickens]
FPL Energy [Florida Power & Light]
AES Wind Generation
Shell Wind Energy
BP Alternative Energy [British Petroleum]
Cielo Power [Austin, TX]
Edison Mission Group [Irvine, CA]
American Electric Power
[In general, I would look to, and expect, all electrical utility companies and all major oil companies to become involved in wind/alternative energy development in the coming years...in some way, shape, or form...]
WIND TURBINE MANUFACTURERS ::
Siemens Power Generation
West Texas Wind Energy Consortium
The Wind Coalition
American Wind Energy Association
Alternative Energy Institute
Industrial Wind Action Group [Great site for wind power in the news...]
Global Wind Energy Council
Wind Law Institute ??
TRADE MAGAZINES/NEWSLETTERS ::
North American Wind Power
Mahalo Search Result :: [Some good info here on Pickens & Mesa Power...]
Renewable Energy World
YouTube Video :: Making Wind Power a Reality
Juan de Bedout, a scientist at General Electric's Global Research Center discusses wind power at a recent energy briefing at the Technology Center.