- Query
- Geothermal 1
- Type
- Data Lookup
- Technology
- geothermal
- Generated
- 2026-10-11T08:55:21.610Z
Analytical: Geothermal Plants
Data LookupGenerated Oct 11, 2026·Dataset freshness not reported
69
Plants
4.4 GW
Capacity
7
States
273
Queue Projects
69 Geothermal plants by plant count
| Plant Name | State | Fuel | Owner | Capacity | Annual GWh | CF% | Year | Status | ISO |
|---|---|---|---|---|---|---|---|---|---|
| Geysers Unit 5-20 | California | Geothermal | Constellation Energy | 1.2 GW | 4400 | 43.2% | 1971 | Operating | CAISO |
| Calistoga Power Plant | California | Geothermal | Geysers Power Co LLC | 176 MW | 456 | 29.5% | 1984 | Operating | CAISO |
| Cape Generating Station | Utah | Geothermal | Cape HoldCo LLC | 159 MW | — | — | — | Under construction | — |
| McGinness Hills 3 | Nevada | Geothermal | Ormat Nevada Inc | 113 MW | 403 | 40.9% | 2018 | Operating | — |
| Geothermal 2 | California | Geothermal | Northern California Power Agny | 110 MW | 317 | 32.9% | 1985 | Operating | CAISO |
| Geothermal 1 | California | Geothermal | Northern California Power Agny | 110 MW | 367 | 38.2% | 1983 | Operating | CAISO |
| McGinness Hills | Nevada | Geothermal | Ormat Nevada Inc | 104 MW | 603 | 66.0% | 2012 | Operating | — |
| Coso Finance Partners | California | Geothermal | Atlantica Sustainable Infrastructure | 92 MW | 367 | 45.4% | 1987 | Operating | CAISO |
| Heber Geothermal | California | Geothermal | ORCAL Geothermal, Inc | 92 MW | 385 | 47.9% | 2006 | Operating | — |
| Coso Power Developers | California | Geothermal | Atlantica Sustainable Infrastructure | 90 MW | 302 | 38.3% | 1989 | Operating | CAISO |
| Coso Energy Developers | California | Geothermal | Atlantica Sustainable Infrastructure | 90 MW | 244 | 30.9% | 1988 | Operating | CAISO |
| North Brawley Geothermal Plant | California | Geothermal | Ormat Nevada Inc | 80 MW | 17 | 2.4% | 2009 | Out of service | — |
| Sonoma California Geothermal | California | Geothermal | Geysers Power Co LLC | 78 MW | 448 | 65.3% | 1983 | Operating | CAISO |
| Tungsten Mountain | Nevada | Geothermal | Tungsten Mountain | 75 MW | 284 | 43.5% | 2017 | Operating | — |
| Second Imperial Geothermal | California | Geothermal | ORCAL Geothermal, Inc | 75 MW | 302 | 46.2% | 2006 | Operating | — |
| Dixie Valley | Nevada | Geothermal | Ormat Nevada Inc | 71 MW | 401 | 64.5% | 1988 | Operating | CAISO |
| Stillwater Facility | Nevada | Geothermal | Enel | 69 MW | 128 | 21.1% | 2009 | Operating | — |
| NGP Blue Mountain I LLC | Nevada | Geothermal | NGP Blue Mountain I LLC | 64 MW | 183 | 32.6% | 2009 | Operating | — |
| Patua Acquisition Project, LLC | Nevada | Geothermal | Patua Acquisition Company, LLC | 59 MW | 134 | 26.0% | 2013 | Operating | — |
| Salton Sea Power LLC - Unit 5 | California | Geothermal | Berkshire Hathaway | 58 MW | 290 | 56.7% | 2000 | Operating | — |
| Bottle Rock Power | California | Geothermal | Mayacma Geothermal | 55 MW | — | — | 1985 | Out of service | CAISO |
| John L. Featherstone Plant | California | Geothermal | Hudson Ranch Power I LLC | 55 MW | 435 | 90.4% | 2012 | Operating | — |
| Salton Sea Power Gen Co - Unit 3 | California | Geothermal | Berkshire Hathaway | 54 MW | 315 | 66.5% | 1989 | Operating | — |
| Puna Geothermal Venture I | Hawaii | Geothermal | Puna Geothermal Venture | 51 MW | 259 | 57.8% | 1992 | Operating | — |
| Salton Sea Power Gen Co - Unit 4 | California | Geothermal | Berkshire Hathaway | 48 MW | 180 | 42.9% | 1996 | Operating | — |
| Ormesa III | California | Geothermal | Ormat Nevada Inc | 46 MW | 44 | 11.1% | 1989 | Operating | — |
| CE Leathers | California | Geothermal | Berkshire Hathaway | 46 MW | 71 | 17.8% | 1989 | Operating | — |
| Elmore Company | California | Geothermal | Berkshire Hathaway | 46 MW | 104 | 26.2% | 1988 | Operating | — |
| Del Ranch Company | California | Geothermal | Berkshire Hathaway | 46 MW | 326 | 81.5% | 1988 | Operating | — |
| CD4 | California | Geothermal | CD4 | 44 MW | 277 | 71.0% | 2022 | Operating | CAISO |
| Vulcan-BN Geothermal Power Company | California | Geothermal | Berkshire Hathaway | 40 MW | 227 | 65.2% | 1985 | Operating | — |
| Blundell | Utah | Geothermal | Berkshire Hathaway | 38 MW | 272 | 81.4% | 1984 | Operating | — |
| Steamboat Hills LP | Nevada | Geothermal | Ormat Nevada Inc | 37 MW | 232 | 70.9% | 2020 | Operating | — |
| North Valley | Nevada | Geothermal | North Valley | 37 MW | 202 | 62.3% | 2023 | Operating | — |
| Beowawe | Nevada | Geothermal | Ormat Nevada Inc | 35 MW | 107 | 34.9% | 2024 | Operating | — |
| Neal Hot Springs Geothermal Project | Oregon | Geothermal | US Geothermal Inc. | 33 MW | 169 | 58.3% | 2012 | Operating | — |
| Tuscarora Geothermal Power Plant | Nevada | Geothermal | Ormat Nevada Inc | 32 MW | 124 | 44.3% | 2012 | Operating | — |
| Galena 3 Geothermal Power Plant | Nevada | Geothermal | Ormat Nevada Inc | 32 MW | 83 | 29.8% | 2018 | Operating | — |
| Brady | Nevada | Geothermal | Ormat Nevada Inc | 30 MW | 89 | 34.3% | 2002 | Operating | — |
| Fish Lake Geothermal | Nevada | Geothermal | Fish Lake Geothermal LLC | 27 MW | — | — | — | Planned | — |
| Steamboat III | Nevada | Geothermal | Steamboat Development Corp | 26 MW | 69 | 30.3% | 1992 | Operating | — |
| Steamboat II | Nevada | Geothermal | Steamboat Development Corp | 26 MW | 63 | 27.3% | 1992 | Operating | — |
| Desert Peak Power Plant | Nevada | Geothermal | Ormat Nevada Inc | 26 MW | 73 | 31.8% | 2006 | Operating | — |
| Richard Burdette Geothermal | Nevada | Geothermal | Ormat Nevada Inc | 26 MW | 98 | 42.8% | 2005 | Operating | — |
| Soda Lake 3 | Nevada | Geothermal | AMOR IX, LLC | 26 MW | 120 | 52.9% | 2019 | Operating | — |
| Cove Fort | Utah | Geothermal | Ormat Cove Fort LLC | 25 MW | 121 | 55.0% | 2013 | Operating | — |
| Aidlin Geothermal Power Plant | California | Geothermal | Geysers Power Co LLC | 25 MW | 81 | 37.0% | 1989 | Operating | CAISO |
| Ormesa II | California | Geothermal | Ormat Nevada Inc | 24 MW | 132 | 62.5% | 1989 | Operating | — |
| Salt Wells | Nevada | Geothermal | Ormat Salt Wells LLC | 24 MW | 70 | 33.8% | 2009 | Operating | — |
| Jersey Valley Geothermal Power Plant | Nevada | Geothermal | Ormat Nevada Inc | 24 MW | 61 | 29.5% | 2010 | Operating | — |
| Star Peak Geothermal Plant | Nevada | Geothermal | Star Peak Geothermal LLC. | 22 MW | 40 | 20.6% | 2022 | Operating | — |
| Geo East Mesa II | California | Geothermal | Ormat Nevada Inc | 22 MW | — | — | 1989 | Out of service | — |
| Don A Campbell 1 Geothermal | Nevada | Geothermal | ORNI 47, LLC | 20 MW | 110 | 62.7% | 2014 | Operating | — |
| Don A Campbell 2 Geothermal | Nevada | Geothermal | ORNI 37 LLC | 20 MW | 93 | 53.3% | 2015 | Operating | — |
| Salton Sea Power Gen Co - Unit 2 | California | Geothermal | Berkshire Hathaway | 20 MW | 107 | 60.9% | 1990 | Operating | — |
| Lightning Dock Geothermal | New Mexico | Geothermal | Lightning Dock Geothermal HI-01, LLC | 19 MW | 49 | 28.8% | 2013 | Operating | — |
| Ormesa I | California | Geothermal | Ormat Nevada Inc | 19 MW | 70 | 33.3% | 2003 | Operating | — |
| Galena 2 Geothermal Power Plant | Nevada | Geothermal | Ormat Nevada Inc | 17 MW | 37 | 25.3% | 2007 | Operating | — |
| Raft River Geothermal Power Plant | Idaho | Geothermal | US Geothermal Inc. | 16 MW | 92 | 58.2% | 2025 | Operating | — |
| Mammoth G3 | California | Geothermal | Ormat Nevada Inc | 15 MW | 103 | 78.3% | 1990 | Operating | CAISO |
| Mammoth G2 | California | Geothermal | Ormat Nevada Inc | 15 MW | 82 | 62.5% | 1990 | Operating | CAISO |
| Thermo No 1 | Utah | Geothermal | Thermo No 1 BE 01 LLC | 14 MW | 58 | 47.0% | 2013 | Operating | — |
| San Emidio | Nevada | Geothermal | USG Nevada LLC | 12 MW | 84 | 80.9% | 2012 | Operating | — |
| CE Turbo LLC | California | Geothermal | Berkshire Hathaway | 12 MW | — | — | 2000 | Operating | — |
| Salton Sea Power Gen Co - Unit 1 | California | Geothermal | Berkshire Hathaway | 10 MW | 78 | 89.1% | 1982 | Operating | — |
| Mammoth G1 | California | Geothermal | Ormat Nevada Inc | 10 MW | 60 | 67.9% | 1984 | Operating | CAISO |
| Whitegrass No. 1 | Nevada | Geothermal | Open Mountain Energy LLC. | 6 MW | 18 | 31.5% | 2018 | Operating | — |
| Paisley Geothermal Generating Plant | Oregon | Geothermal | Surprise Valley Electrification | 4 MW | — | — | 2015 | Out of service | — |
| Rodatherm Milford 1 | Utah | Geothermal | Rodatherm Energy Corporation | 2 MW | — | — | — | Under construction | — |
