U.S. Department of Energy/EREN Wind Energy Program:
http://www.eere.energy.gov/windandhydro/

National Renewable Energy Laboratory (NREL) National Wind Technology Center:
http://www.nrel.gov/wind/

American Wind Energy Association (AWEA) --
http://www.awea.org/

Windustry
http://www.windustry.com

Office of Power Technologies:
http://www.eere.energy.gov/consumerinfo/

Massachusetts Division of Energy Resources (DOER):
http://www.state.ma.us/doer/

Massachusetts Technology Collaborative (MTC): http://www.masstech.org

California Energy Commission Wind Energy in California:
http://www.energy.ca.gov/wind/

Sustainable Minnesota Wind Energy Resources and Information: http://www.me3.org/issues/wind/