PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/344
EIA plant 344
North Fork · Madera · CA
Mammoth Pool
Operated by Southern California Edison Co
Published location
Where is Mammoth Pool?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
37.220302, -119.337983
Open the interactive map ↗Map data © OpenStreetMap contributors
Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 37,568 MWh |
| 2 | 37,070 MWh |
| 3 | 27,040 MWh |
| 4 | 35,809 MWh |
| 5 | 56,469 MWh |
| 6 | 87,034 MWh |
| 7 | 54,481 MWh |
| 8 | 42,530 MWh |
| 9 | 22,869 MWh |
| 10 | 869 MWh |
| 11 | 2,709 MWh |
| 12 | 9,138 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 1 | Conventional Hydroelectric | WAT | 95 | OP |
| 2 | Conventional Hydroelectric | WAT | 95 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
344
Sector
Electric Utility
Water source
San Joaquin River
Data edition
2024-final