Nameplate capacity
59 MW
Rank in Washington
#69
of 139 plants
In service since
1927
September 1927
Details
- Primary fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Operator
- PUD No 1 of Chelan County
- County
- Chelan County
- Generating units
- 2
- Share of state capacity
- 0.19%
- Rank among hydro plants in Washington
- #31 of 73
- EIA plant code
- 6424
Generating units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| A-1 | Conventional Hydroelectric | 30 MW | 31 MW | 1927 | Operating |
| A-2 | Conventional Hydroelectric | 30 MW | 31 MW | 1928 | Operating |
Nameplate is the maximum rated output; summer capacity is what the unit can reliably deliver on a hot day, which is typically lower.
Similarly sized plants in Washington
| Nippon Dynawave Packaging Longview WA | Other | 62 MW |
| Northeast (WA) | Natural gas | 62 MW |
| Kettle Falls Generating Station | Other | 58 MW |
| Alder | Hydro | 51 MW |
About this data
From EIA’s inventory of operable generators, May 2026 release. Capacity is nameplate — the maximum rated output of the equipment, not what the plant actually generates over a year, which depends on how often it runs. A 59 MW solar plant and a 59 MW nuclear plant have the same entry here and produce very different amounts of electricity.
“In service since” is the earliest in-service date among the units still listed, so a site rebuilt around newer equipment can read as younger than the site itself. All Washington power plants · What Washington actually generates