HUNGRY HORSE
OperatingHydro power plant
- Capacity
- 428 MW
- Primary fuel
- Hydro
- County
- Flathead County
- Operator
- U S BUREAU OF RECLAMATION
- Status
- Operating
- Commissioned
- 1952
- EIA plant ID
- 2203
- Coordinates
- 48.3416, -114.0142
HUNGRY HORSE, a 428 MW Hydro power plant in Flathead County, Montana. Operated by U S BUREAU OF RECLAMATION, commissioned 1952.
Weather peril exposure
HUNGRY HORSE is a 428 MW hydro power plant in Flathead County, MT, operated by U S BUREAU OF RECLAMATION, commissioned in 1952. Flathead County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.4 of 5 at the 11th national percentile. Earthquake 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 hydro plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Flathead County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively Moderate | 95th | 4.8 of 5 | 0.03 |
| Wildfire | Relatively Moderate | 91st | 4.6 of 5 | <0.01 |
| Riverine flooding | Relatively Moderate | 68th | 3.7 of 5 | 1.0 |
| Ice storm | Relatively Moderate | 60th | 3.4 of 5 | 0.01 |
| Winter weather | Relatively High | 60th | 3.4 of 5 | 50.1 |
| Heat wave | Relatively Low | 46th | 2.8 of 5 | 1.3 |
| Hail | Very Low | 18th | 1.7 of 5 | 0.33 |
| Lightning | Relatively Moderate | 15th | 1.6 of 5 | 20.8 |
| Strong wind | Very Low | 9th | 1.3 of 5 | 0.18 |
| Tornado | Very Low | 1st | 1.1 of 5 | 0.07 |
Perils not assessed in Flathead 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 Flathead 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.