PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/55328
EIA plant 55328
Hermiston · Umatilla · OR
Hermiston Power Partnership
Operated by Hermiston Power Partnership
Published location
Where is Hermiston Power Partnership?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
45.794046, -119.313323
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 | 372,799 MWh |
| 2 | 344,229 MWh |
| 3 | 373,548 MWh |
| 4 | 417,253 MWh |
| 5 | 122,348 MWh |
| 6 | 270,124 MWh |
| 7 | 412,046 MWh |
| 8 | 407,461 MWh |
| 9 | 406,756 MWh |
| 10 | 326,219 MWh |
| 11 | 405,548 MWh |
| 12 | 424,749 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| STG1 | Natural Gas Fired Combined Cycle | NG | 264.4 | OP |
| CTG1 | Natural Gas Fired Combined Cycle | NG | 212.5 | OP |
| CTG2 | Natural Gas Fired Combined Cycle | NG | 212.5 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
55328
Sector
IPP Non-CHP
Water source
Municipality
Data edition
2024-final