http://www.nrel.gov/
http://energy.sourceguides.com/businesses/index.shtml
http://www.renewableenergyaccess.com/rea/home
http://www.mariahpower.com
http://www.eere.energy.gov/
http://www.michigan.gov/cis/0,1607,7-154-25676---,00.html66-52544--,00.html
http://www.nextenergy.org/
http://www.glrea.org/
http://www.ncat.org/
http://energy.saving.nu/
http://www.dsireusa.org/
http://www.sunsiaray.com