Rock Island
A 629.4 MW hydroelectric power plant in Chelan, Washington, owned by PUD No 1 of Chelan County, commissioned in 1931.
Facility nameplate · EIA Plant ID 6200Hydroelectric
Nameplate capacity
629.4 MW
Primary fuel
Hydroelectric
Commissioned
1931
Owner
PUD No 1 of Chelan County
Location
Chelan, Washington
Coordinates
Generation (2024)
2,025.3 GWh
Status
Operating
Technology
Conventional Hydroelectric
Units
19
Reported annual generation
| Year | GWh | |
|---|---|---|
| 2015 | 2,744.5 | |
| 2016 | 2,666.2 | |
| 2017 | 2,640 | |
| 2018 | 2,652.1 | |
| 2019 | 2,257.7 | |
| 2020 | 2,500.5 | |
| 2021 | 2,382.8 | |
| 2022 | 2,611.6 | |
| 2023 | 2,032.7 | |
| 2024 | 2,025.3 |
Nearby power plants
| Plant | Fuel | Capacity | Distance |
|---|---|---|---|
| PEC Headworks | Hydroelectric | 6.6 MW | ~25 km |
| Rocky Reach | Hydroelectric | 1.30 GW | ~26 km |
| Wild Horse | Wind | 273.1 MW | ~35 km |
| Vantage Wind Energy LLC | Wind | 90 MW | ~44 km |
| Sagebrush Power Partners | Wind | 100.7 MW | ~51 km |
| Urtica Solar Project | Solar | 5 MW | ~52 km |
See all hydroelectric plants in Washington or browse all plants in Washington.