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Casa Diablo Hot Springs Power Plant

Category: Hot Springs-unsoakable

Used in the following map:

C/O Hiking & Soaking in the Western U.S. & Canada

The Casa Diablo Hot Springs site is located on the southwestern edge of the resurgent dome along a major fault system. The fault forms the east side of the down-dropped block that transects the resurgent dome. This down-dropped block is called the medial graben. Three binary-cycle generators built here in 1985 and 1990 produce about 45 megawatts of electricity. Wells, each about 200 m deep, supply the powerplants with 170o water. Heat exchangers transfer the thermal energy from the water to isobutane, which vaporizes and drives turbine generators.