Open-File Report 02-132: Distribution of High-Temperature (>150 °C) Geothermal Resources in California

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Open-File Report 02-132

Distribution of High-Temperature (>150 °C) Geothermal Resources in California

By John H. Sass and Susan S. Priest

Figure 1 from reportSummary

California contains, by far, the greatest geothermal generating capacity in the United States, and with the possible exception of Alaska, the greatest potential for the development of additional resources. California has nearly 2/3 of the US geothermal electrical installed capacity of over 3,000 MW. Depending on assumptions regarding reservoir characteristics and future market conditions, additional resources of between 2,000 and 10,000 MWe might be developed (see e.g., Muffler, 1979).

First posted April 12, 2002

  • Map EPS (16.3 MB)
    A map of California showing distribution of high-temperature geothermal resources as an EPS file

For additional information, contact:
Geology, Minerals, Energy, and Geophysics Science Center
U.S. Geological Survey
345 Middlefield Road, MS 901
Menlo Park, CA 94025-3591

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Suggested citation:

Sass, John H., Priest, Susan S., 2002, Distribution of High-Temperature (>150 °C) Geothermal Resources in California: U.S. Geological Survey Open-File Report 02-132, 4 pp.,


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