POST FALLS
OperatingHydro power plant
- Capacity
- 15 MW
- Primary fuel
- Hydro
- County
- Kootenai County
- Operator
- AVISTA CORP
- Status
- Operating
- Commissioned
- 1906
- EIA plant ID
- 835
- Coordinates
- 47.7092, -116.9611
POST FALLS, a 15 MW Hydro power plant in Kootenai County, Idaho. Operated by AVISTA CORP, commissioned 1906.
Weather peril exposure
POST FALLS is a 15 MW hydro power plant in Kootenai County, ID, operated by AVISTA CORP, commissioned in 1906. Kootenai County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.0 of 5 at the 1st national percentile. Wildfire is the leading peril, rated Relatively Low by FEMA at the 62nd 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.
Kootenai County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Wildfire | Relatively Low | 62nd | 3.5 of 5 | <0.01 |
| Earthquake | Relatively Low | 60th | 3.4 of 5 | <0.01 |
| Heat wave | Relatively Moderate | 59th | 3.4 of 5 | 3.3 |
| Riverine flooding | Relatively Moderate | 49th | 2.9 of 5 | 1.2 |
| Winter weather | Relatively High | 44th | 2.8 of 5 | 26.8 |
| Ice storm | Relatively High | 15th | 1.6 of 5 | 0.25 |
| Strong wind | Relatively Low | 11th | 1.5 of 5 | 0.24 |
| Lightning | Relatively Low | 7th | 1.3 of 5 | 17.9 |
| Hail | Very Low | 6th | 1.3 of 5 | 0.26 |
| Tornado | Very Low | 6th | 1.2 of 5 | 0.04 |
Perils not assessed in Kootenai 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 Kootenai 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.