PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/380
EIA plant 380
Groveland · Tuolumne · CA
Dion R Holm
Operated by City & County of San Francisco
Published location
Where is Dion R Holm?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
37.896649, -119.967500
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 | 38,283 MWh |
| 2 | 53,720 MWh |
| 3 | 73,752 MWh |
| 4 | 95,582 MWh |
| 5 | 105,226 MWh |
| 6 | 66,333 MWh |
| 7 | 20,605 MWh |
| 8 | 23,333 MWh |
| 9 | 8,587 MWh |
| 10 | -291 MWh |
| 11 | -129 MWh |
| 12 | 9 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 1 | Conventional Hydroelectric | WAT | 90.1 | OP |
| 2 | Conventional Hydroelectric | WAT | 90.1 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
380
Sector
Electric Utility
Water source
Cherry Reservoir
Data edition
2024-final