| Canadian Geothermal Energy Association: Information about the Canadian Geothermal Energy Association, its members, directors and their on-going projects. Also, a description of geothermal resources in general and specific to Canada. Online bibliography of information about geothermal resources in Canada |
| Deep Heat Mining: Hot dry rock geothermal energy program in Switzerland. About the technology and the ongoing development program, including photos, maps, and diagrams. |
| DOE: Geothermal Energy: Idaho National Laboratory of the U.S. Department of Energy (DOE). Includes information about use of geothermal energy, laws and standards, calendar of events and FAQ. |
| DOE: Geothermal Energy Program: Research and development projects of the U.S. Department of Energy (DOE). Includes insights, technical data and publications. |
| DOE: Geothermal Research Department: Program of the U.S. Department of Energy (DOE). Focus on drilling, field testing and related technologies. |
| DOE: Geothermal Technologies Program: Describes the U.S. Department of Energy (DOE) geothermal energy program. Includes facts and news. |
| Energy Commission Geothermal Program: Promotes geothermal energy development in California. Includes fact sheets, documents and data. |
| European Geothermal Energy Council (EGEC): Promotes geothermal energy research and development. Includes news, events, details on joining and board of directors. |
| Geothermal Energy Technology (GET): Document database. Includes bibliographic citations and publications. |
| Geothermal Resources Council: Encourages worldwide research and development on geothermal energy resources and utilization. Calendar of events, workshops, membership information, publications, related links and other information. |
| International Geothermal Association: Information on geothermal energy in use around the world, world conferences on geothermal, and links to related web sites. |
| NEDO: Geothermal Energy Development Department: Department of the New Energy and Industrial Technology Development Organization (NEDO). Includes data about research and development activities. |
| New Zealand Geothermal Association: Purposes include encouraging research, development and use of geothermal energy in New Zealand. |
| Wikipedia: Geothermal Power: Free encyclopedia article describing the concept of geothermal power. Addresses technical aspects, type of sources, electrical generation and cost. |
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