![]() ![]() Although no net withdrawal of geothermal water occurs, the process affects the hydrologic system. Water that is pumped out of the ground to the generating units is injected back underground near the power plant after being used to produce energy. Heat exchangers transfer the thermal energy from the water to isobutane, which vaporizes and drives turbine generators. Production wells supply hot water (170☌) to three generating units with a combined capacity of about 45 megawatts of electricity. ![]() ![]() In addition, the EPA recommends that, if a reserve pit is used, its design and. for the proposed project, we recommend that the FEIS provide the basis for this decision. The power plant taps into the caldera's hydrothermal system at a point where the hot water is only a few hundred feet below ground. Subject: Final Environmental Impact Statement/Final Environmental Impact Report for the Casa Diablo IV Geothermal Development Project, Mono County, CA (CEQ 20130191). expected 30MW Casa Diablo-IV (CD4) geothermal project, located in Mammoth Lakes. Geothermal energy sits at the intersection of geology and public. This down-dropped block is called the lateral graben. geothermal energy, the majority of which were signed in California. focus on recent geothermal plant expansion in the Casa Diablo IV project. The fault forms the east side of the down-dropped block that transects the resurgent dome. Casa Diablo Hot Springs and the Mammoth geothermal power facility viewed toward the west. ![]()
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