Interconnection.fyi
By GridTracker™

Geothermal Power Plants

Power Plants
69
Operational
65
Planned
3
Expanding
1
Total Capacity (MW)
4,304.3

Looking for geothermal projects still in development?

EIA 860M shows operational plants and those starting operation within one year. Our Interconnection Queue dataset tracks 30,000+ projects from application through commercial operation.

Map of Geothermal Power Plants by State

Project NameStateCountyStatusCapacity (MW)UnitsGeneration TypeOperator
Geysers Unit 5-20CASonomaOperational1.23 GW12GeothermalGeysers Power Co LLC
Calistoga Power PlantCALakeOperational176.4 MW2GeothermalGeysers Power Co LLC
Cape Generating StationUTBeaverPlanned129 MW3GeothermalCape HoldCo LLC
McGinness Hills 3NVLanderOperational, expanding112.8 MW4Geothermal, SolarOrmat Nevada Inc
Geothermal 1CASonomaOperational110 MW2GeothermalNorthern California Power Agny
Geothermal 2CASonomaOperational110 MW2GeothermalNorthern California Power Agny
McGinness HillsNVLanderOperational104 MW6GeothermalOrmat Nevada Inc
Coso Finance PartnersCAInyoOperational92.2 MW3GeothermalCoso Operating Co LLC
Heber GeothermalCAImperialOperational91.5 MW5GeothermalORCAL Geothermal, Inc
Coso Power DevelopersCAInyoOperational90 MW3GeothermalCoso Operating Co LLC
Coso Energy DevelopersCAInyoOperational90 MW3GeothermalCoso Operating Co LLC
North Brawley Geothermal PlantCAImperialOperational80 MW5GeothermalOrmat Nevada Inc
Sonoma California GeothermalCALakeOperational78 MW1GeothermalGeysers Power Co LLC
Tungsten MountainNVChurchillOperational74.8 MW4Geothermal, SolarTungsten Mountain
Second Imperial GeothermalCAImperialOperational74.5 MW4GeothermalORCAL Geothermal, Inc
Dixie ValleyNVChurchillOperational70.9 MW2GeothermalOrmat Nevada Inc
Stillwater FacilityNVChurchillOperational69.2 MW5Geothermal, SolarOrmat Stillwater LLC
Patua Acquisition Project, LLCNVChurchillOperational58.6 MW4Geothermal, SolarPatua Acquisition Company, LLC
Salton Sea Power LLC - Unit 5CAImperialOperational58.3 MW1GeothermalCalEnergy Operating Corporation
Bottle Rock PowerCALakeOperational55 MW1GeothermalMayacma Geothermal
John L. Featherstone PlantCAImperialOperational55 MW1GeothermalHudson Ranch Power I LLC
Salton Sea Power Gen Co - Unit 3CAImperialOperational53.9 MW1GeothermalCalEnergy Operating Corporation
Puna Geothermal Venture IHIHawaiiOperational51 MW12GeothermalPuna Geothermal Venture
Salton Sea Power Gen Co - Unit 4CAImperialOperational47.5 MW1GeothermalCalEnergy Operating Corporation
Ormesa IIICAImperialOperational45.6 MW3GeothermalOrmat Nevada Inc
CE LeathersCAImperialOperational45.5 MW1GeothermalCalEnergy Operating Corporation
Del Ranch CompanyCAImperialOperational45.5 MW1GeothermalCalEnergy Operating Corporation
Elmore CompanyCAImperialOperational45.5 MW1GeothermalCalEnergy Operating Corporation
NGP Blue Mountain I LLCNVHumboldtOperational45 MW3GeothermalNGP Blue Mountain I LLC
CD4CAMonoOperational44.4 MW1GeothermalCD4
Vulcan-BN Geothermal Power CompanyCAImperialOperational39.6 MW2GeothermalCalEnergy Operating Corporation
BlundellUTBeaverOperational38.1 MW2GeothermalPacifiCorp
Steamboat Hills LPNVWashoeOperational37.2 MW4Geothermal, SolarOrmat Nevada Inc
North ValleyNVWashoeOperational37 MW2Geothermal, SolarNorth Valley
BeowaweNVLanderOperational35 MW3Geothermal, SolarOrmat Nevada Inc
Neal Hot Springs Geothermal ProjectORMalheurOperational33 MW3GeothermalUS Geothermal Inc.
Tuscarora Geothermal Power PlantNVElkoOperational32 MW2GeothermalOrmat Nevada Inc
Galena 3 Geothermal Power PlantNVWashoeOperational31.6 MW2GeothermalOrmat Nevada Inc
BradyNVChurchillOperational29.5 MW3Geothermal, SolarOrmat Nevada Inc
Fish Lake GeothermalNVEsmeraldaPlanned26.5 MW5GeothermalFish Lake Geothermal LLC
Steamboat IINVWashoeOperational26.1 MW3Geothermal, SolarSteamboat Development Corp
Steamboat IIINVWashoeOperational26.1 MW3Geothermal, SolarSteamboat Development Corp
Desert Peak Power PlantNVLyonOperational26 MW2GeothermalOrmat Nevada Inc
Richard Burdette GeothermalNVWashoeOperational26 MW2GeothermalOrmat Nevada Inc
Soda Lake 3NVChurchillOperational26 MW1GeothermalAMOR IX, LLC
Aidlin Geothermal Power PlantCASonomaOperational25 MW2GeothermalGeysers Power Co LLC
Cove FortUTBeaverOperational25 MW2GeothermalOrmat Cove Fort LLC
Ormesa IICAImperialOperational24 MW2GeothermalOrmat Nevada Inc
Salt WellsNVCHURCHILLOperational23.6 MW2GeothermalOrmat Salt Wells LLC
Jersey Valley Geothermal Power PlantNVPershingOperational23.5 MW2GeothermalOrmat Nevada Inc
Star Peak Geothermal PlantNVPershingOperational21.9 MW5GeothermalStar Peak Geothermal LLC.
Geo East Mesa IICAImperialOperational21.6 MW1GeothermalOrmat Nevada Inc
Salton Sea Power Gen Co - Unit 2CAImperialOperational20 MW3GeothermalCalEnergy Operating Corporation
Don A Campbell 1 GeothermalNVMineralOperational20 MW1GeothermalORNI 47, LLC
Don A Campbell 2 GeothermalNVMineralOperational20 MW1GeothermalORNI 37 LLC
Lightning Dock GeothermalNMHidalgoOperational19.2 MW5GeothermalLightning Dock Geothermal HI-01, LLC
Ormesa ICAImperialOperational19 MW2GeothermalOrmat Nevada Inc
Galena 2 Geothermal Power PlantNVWashoeOperational16.5 MW2Geothermal, SolarOrmat Nevada Inc
Raft River Geothermal Power PlantIDCassiaOperational16 MW1GeothermalUS Geothermal Inc.
Mammoth G3CAMonoOperational15 MW3GeothermalOrmat Nevada Inc
Mammoth G2CAMonoOperational15 MW3GeothermalOrmat Nevada Inc
Thermo No 1UTBeaverOperational14 MW1GeothermalThermo No 1 BE 01 LLC
San EmidioNVWashoeOperational11.8 MW1GeothermalUSG Nevada LLC
CE Turbo LLCCAImperialOperational11.5 MW1GeothermalCalEnergy Operating Corporation
Mammoth G1CAMonoOperational10 MW2GeothermalOrmat Nevada Inc
Salton Sea Power Gen Co - Unit 1CAImperialOperational10 MW1GeothermalCalEnergy Operating Corporation
Whitegrass No. 1NVLyonOperational6.4 MW4GeothermalOpen Mountain Energy LLC.
Paisley Geothermal Generating PlantORLakeOperational3.7 MW1GeothermalSurprise Valley Electrification
Rodatherm Milford 1UTBeaverPlanned1.8 MW1GeothermalRodatherm Energy Corporation

Browse Other Technologies

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Data source: U.S. Energy Information Administration EIA Form 860M

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