KETTLE FALLS GENERATING STATION
OperatingBiomass power plant
- Capacity
- 58 MW
- Primary fuel
- Biomass
- County
- Stevens County
- Operator
- AVISTA CORP
- Status
- Operating
- Commissioned
- 1983
- EIA plant ID
- 550
- Coordinates
- 48.6204, -118.1109
KETTLE FALLS GENERATING STATION, a 58 MW Biomass power plant in Stevens County, Washington. Operated by AVISTA CORP, commissioned 1983.
Weather peril exposure
KETTLE FALLS GENERATING STATION is a 58 MW biomass power plant in Stevens County, WA, operated by AVISTA CORP, commissioned in 1983. Stevens County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.2 of 5 at the 6th national percentile. Wildfire is the leading peril, rated Relatively Moderate by FEMA at the 95th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a biomass plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Stevens County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Wildfire | Relatively Moderate | 95th | 4.8 of 5 | <0.01 |
| Riverine flooding | Relatively Low | 78th | 4.1 of 5 | 0.64 |
| Heat wave | Relatively Low | 58th | 3.3 of 5 | 3.6 |
| Winter weather | Relatively Moderate | 48th | 2.9 of 5 | 24.4 |
| Earthquake | Very Low | 35th | 2.4 of 5 | <0.01 |
| Strong wind | Very Low | 13th | 1.5 of 5 | 0.19 |
| Ice storm | Relatively Low | 7th | 1.3 of 5 | 0.09 |
| Tornado | Very Low | 7th | 1.3 of 5 | 0.09 |
| Hail | Very Low | 4th | 1.2 of 5 | 0.20 |
| Lightning | Very Low | 3rd | 1.1 of 5 | 20.6 |
Perils not assessed in Stevens 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 Stevens 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.