| Plant | Fuel | Country | MW | t CO₂/yr |
|---|---|---|---|---|
| Wanapum | Hydro | United States of America | 1,098 | — |
| Priest Rapids | Hydro | United States of America | 956 | — |
| Quincy Chute | Hydro | United States of America | 9 | — |
| PEC Headworks | Hydro | United States of America | 7 | — |
Ownership & capacity: WRI Global Power Plant Database (CC BY 4.0). Measured CO₂ where reported to EPA/EU ETS/Climate TRACE.