CHELAN
OperatingHydro power plant
- Capacity
- 59 MW
- Primary fuel
- Hydro
- County
- Chelan County
- Operator
- PUD NO 1 OF CHELAN COUNTY
- Status
- Operating
- Commissioned
- 1927
- EIA plant ID
- 6424
- Generators
- 2
- Technology
- Conventional Hydroelectric
- Net generation (2024)
- 328 GWh
- Capacity factor (2024, EIA nameplate)
- 63%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 47.8346, -120.0124
CHELAN, a 59 MW Hydro power plant in Chelan County, Washington. Operated by PUD NO 1 OF CHELAN COUNTY, commissioned 1927.
How CHELAN compares
With 59 MW of capacity, CHELAN ranks 64th among the 126 operating power plants Bywatts maps in Washington and 30th of the 65 operating Hydro plants in the state. It accounts for about 0.3% of Washington's operating Hydro capacity and 0.2% of all operating capacity in the state. Nationally it is the 258th-largest of the 1,243 operating Hydro plants in the database. Commissioned in 1927, it is older than 90% of the 125 operating Washington plants with a recorded commissioning year. Its operator, PUD NO 1 OF CHELAN COUNTY, runs 3 operating plants in Washington totaling 1,988 MW. It shares Chelan County with 3 other operating plants, including ROCKY REACH and WELLS.
EIA-860 lists 2 generators at the site with 59 MW of nameplate capacity, all conventional hydroelectric technology. Net generation was 328 GWh in 2024 (a 63% capacity factor), down 22% from 2022. Its generators came online between 1927 and 1928.
Grid neighborhood
The nearest named substation is ORONDO, about 15.5 miles away; the closest transmission line found within 10 miles is a 115 kV line owned by PUD NO 1 OF CHELAN COUNTY, about 0.9 miles away. Another 3 operating power plants totaling 4,530 MW sit within 25 miles; the largest is CHIEF JOSEPH (2,456 MW, Hydro).
Computed by Bywatts from HIFLD power plant, substation and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
Weather peril exposure
CHELAN is a 59 MW hydro power plant in Chelan County, WA, operated by PUD NO 1 OF CHELAN COUNTY, commissioned in 1927. Chelan County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.5 of 5 at the 36th national percentile. Wildfire is the leading peril, rated Relatively High by FEMA at the 100th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a hydro plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Chelan County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Wildfire | Relatively High | 100th | 5.0 of 5 | 0.02 |
| Riverine flooding | Relatively Moderate | 95th | 4.8 of 5 | 1.5 |
| Earthquake | Relatively Low | 85th | 4.4 of 5 | <0.01 |
| Heat wave | Relatively Low | 62nd | 3.5 of 5 | 3.7 |
| Winter weather | Relatively Moderate | 40th | 2.6 of 5 | 26.4 |
| Lightning | Relatively High | 7th | 1.3 of 5 | 9.9 |
| Strong wind | Very Low | 4th | 1.2 of 5 | 0.06 |
| Tornado | Very Low | 4th | 1.2 of 5 | 0.05 |
| Ice storm | Very Low | 4th | 1.2 of 5 | 0.07 |
| Hail | Relatively Low | 4th | 1.1 of 5 | 0.07 |
Perils not assessed in Chelan County
These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.
| Peril | Why it is not scored |
|---|---|
| Hurricane | FEMA rating is "Not Applicable" for this county |
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Chelan County in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.