Federal Government
U.S. Department of Energy?s Geothermal Technology Program
http://www.eere.energy.gov/geothermal/
U.S. Department of Energy?s Geopowering the West Program
http://www.eere.energy.gov/geothermal/deployment_gpw.html
U.S. Department of Energy?s Energy Information Administration
http://www.eia.doe.gov/cneaf/solar.renewables/page/geothermal/geothermal.html
National Renewable Energy Laboratory
http://www.nrel.gov/geothermal/
U.S. Geological Survey
http://wrgis.wr.usgs.gov/docs/stateinfo/AZ.html
Arizona State Government
Arizona Geological Survey
http://www.azgs.state.az.us/
Arizona Department of Water Resources
http://www.water.az.gov/adwr/
Bureau of Land Management
http://www.az.blm.gov/
Oil and Gas Conservation Commission
http://www.azgs.az.gov/OGCC.htm
University of Arizona, Department of Geosciences
http://www.geo.arizona.edu
Business & Industry
Geothermal Resource Council
http://www.geothermal.org/
Geoheat Center at the Oregon Institute of Technology
http://geoheat.oit.edu/
Geothermal Biz.Com
http://www.geothermal-biz.com/home.htm
Geothermal Energy Association
http://www.geo-energy.org/
Geoexchange ? Geothermal Heat Pump Consortium
http://www.geoexchange.org/
Other
California Department of Conservation, Oil, Gas and Geothermal Resources
http://www.consrv.ca.gov/dog/
Renewable Energy Policy Project / Center for Renewable Energy and Sustainable Technology
http://www.crest.org/geothermal/index.html
Geothermal Education Office
http://geothermal.marin.org/
Public Renewables Partnership (PRP)
http://www.repartners.org/geothermal.htm
International Geothermal Association
http://iga.igg.cnr.it/index.php