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Geothermal Power Plants
Nationwide, by state — U.S. Energy Information Administration (Forms EIA-860/860M).
Power plants
63
Total nameplate capacity
3,905.6 MW
States with plants
7
Generating units
164
By state
| State | Plants | Capacity |
|---|---|---|
| California | 30 | 2,718.3 MW |
| Nevada | 26 | 994.5 MW |
| Utah | 3 | 77.1 MW |
| Hawaii | 1 | 47.5 MW |
| Oregon | 1 | 33 MW |
| New Mexico | 1 | 19.2 MW |
| Idaho | 1 | 16 MW |
Largest geothermal plants
1.Geysers Unit 5-20 (CA)1,236 MW2.Calistoga Power Plant (CA)176.4 MW3.Geothermal 1 (CA)110 MW4.McGinness Hills (NV)104 MW5.McGinness Hills 3 (NV)98.8 MW6.Coso Finance Partners (CA)92.2 MW7.Heber Geothermal (CA)91.5 MW8.Coso Energy Developers (CA)90 MW9.Coso Power Developers (CA)90 MW10.Sonoma California Geothermal (CA)78 MW11.Tungsten Mountain (NV)74.8 MW12.Second Imperial Geothermal (CA)74.5 MW13.Dixie Valley (NV)70.9 MW14.Stillwater Facility (NV)69.2 MW15.Patua Acquisition Project, LLC (NV)58.6 MW16.Salton Sea Power LLC - Unit 5 (CA)58.3 MW17.Geothermal 2 (CA)55 MW18.John L. Featherstone Plant (CA)55 MW19.Salton Sea Power Gen Co - Unit 3 (CA)53.9 MW20.Salton Sea Power Gen Co - Unit 4 (CA)47.5 MW21.Puna Geothermal Venture I (HI)47.5 MW22.Elmore Company (CA)45.5 MW23.Del Ranch Company (CA)45.5 MW24.CE Leathers (CA)45.5 MW25.NGP Blue Mountain I LLC (NV)45 MW
Source: U.S. Energy Information Administration, Forms EIA-860 and EIA-860M (electric generator inventory). Nameplate capacity is the maximum rated output of a plant's generators, not its actual output.