PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/446
EIA plant 446
Los Banos · Merced · CA
ONeill
Operated by U S Bureau of Reclamation
Published location
Where is ONeill?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
37.098671, -121.047718
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 | -11,300 MWh |
| 2 | -11,279 MWh |
| 3 | -7,103 MWh |
| 4 | -1,604 MWh |
| 5 | -2,231 MWh |
| 6 | -3,054 MWh |
| 7 | -1,342 MWh |
| 8 | -4,301 MWh |
| 9 | -3,949 MWh |
| 10 | -2,803 MWh |
| 11 | -9,145 MWh |
| 12 | -8,770 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 1 | Hydroelectric Pumped Storage | WAT | 4.2 | OP |
| 2 | Hydroelectric Pumped Storage | WAT | 4.2 | OP |
| 3 | Hydroelectric Pumped Storage | WAT | 4.2 | OP |
| 4 | Hydroelectric Pumped Storage | WAT | 4.2 | OP |
| 5 | Hydroelectric Pumped Storage | WAT | 4.2 | OP |
| 6 | Hydroelectric Pumped Storage | WAT | 4.2 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
446
Sector
Electric Utility
Water source
O'Neill Forebay - San Luis Cre
Data edition
2024-final