Mammoth G1
A 10 MW geothermal power plant in Mono, California, owned by Ormat Nevada Inc, commissioned in 1984.
Facility nameplate · EIA Plant ID 10480Geothermal
Nameplate capacity
10 MW
Primary fuel
Geothermal
Commissioned
1984
Owner
Ormat Nevada Inc
Location
Mono, California
Coordinates
Generation (2024)
59.6 GWh
Status
Operating
Technology
Geothermal
Units
2
Reported annual generation
| Year | GWh | |
|---|---|---|
| 2015 | 51.4 | |
| 2016 | 58.9 | |
| 2017 | 58.7 | |
| 2018 | 56.8 | |
| 2019 | 57.4 | |
| 2020 | 58.5 | |
| 2021 | 59.2 | |
| 2022 | 45.4 | |
| 2023 | 57.7 | |
| 2024 | 59.6 |
Nearby power plants
| Plant | Fuel | Capacity | Distance |
|---|---|---|---|
| CD4 | Geothermal | 44.4 MW | ~0 km |
| Mammoth G3 | Geothermal | 15 MW | ~0 km |
| Mammoth G2 | Geothermal | 15 MW | ~0 km |
| Rush Creek | Hydroelectric | 13.1 MW | ~23 km |
| Upper Gorge | Hydroelectric | 37.5 MW | ~31 km |
| Middle Gorge | Hydroelectric | 37.5 MW | ~34 km |
See all geothermal plants in California or browse all plants in California.