Mammoth G3
A 15 MW geothermal power plant in Mono, California, owned by Ormat Nevada Inc, commissioned in 1990.
Facility nameplate · EIA Plant ID 10479Geothermal
Nameplate capacity
15 MW
Primary fuel
Geothermal
Commissioned
1990
Owner
Ormat Nevada Inc
Location
Mono, California
Coordinates
Generation (2024)
103.1 GWh
Status
Operating
Technology
Geothermal
Units
3
Reported annual generation
| Year | GWh | |
|---|---|---|
| 2015 | 88.7 | |
| 2016 | 86.8 | |
| 2017 | 96.1 | |
| 2018 | 85.8 | |
| 2019 | 82.4 | |
| 2020 | 103.4 | |
| 2021 | 102.9 | |
| 2022 | 93.1 | |
| 2023 | 104 | |
| 2024 | 103.1 |
Nearby power plants
| Plant | Fuel | Capacity | Distance |
|---|---|---|---|
| Mammoth G2 | Geothermal | 15 MW | ~0 km |
| Mammoth G1 | Geothermal | 10 MW | ~0 km |
| CD4 | Geothermal | 44.4 MW | ~1 km |
| Rush Creek | Hydroelectric | 13.1 MW | ~23 km |
| Upper Gorge | Hydroelectric | 37.5 MW | ~30 km |
| Middle Gorge | Hydroelectric | 37.5 MW | ~33 km |
See all geothermal plants in California or browse all plants in California.