HEART MOUNTAIN
OperatingHydro power plant
- Capacity
- 5 MW
- Primary fuel
- Hydro
- County
- Park County
- Operator
- U S BUREAU OF RECLAMATION
- Status
- Operating
- Commissioned
- 1948
- EIA plant ID
- 6408
- Coordinates
- 44.5138, -109.1296
HEART MOUNTAIN, a 5 MW Hydro power plant in Park County, Wyoming. Operated by U S BUREAU OF RECLAMATION, commissioned 1948.
Weather peril exposure
HEART MOUNTAIN is a 5 MW hydro power plant in Park County, WY, operated by U S BUREAU OF RECLAMATION, commissioned in 1948. Park County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.6 of 5 at the 16th national percentile. Earthquake is the leading peril, rated Relatively Low by FEMA at the 85th 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.
Park County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively Low | 85th | 4.4 of 5 | 0.05 |
| Riverine flooding | Relatively Low | 80th | 4.2 of 5 | 0.82 |
| Wildfire | Relatively Low | 79th | 4.2 of 5 | <0.01 |
| Hail | Relatively Low | 31st | 2.2 of 5 | 0.38 |
| Tornado | Very Low | 19th | 1.8 of 5 | 0.24 |
| Ice storm | Very Low | 19th | 1.8 of 5 | 0.01 |
| Strong wind | Relatively Low | 15th | 1.6 of 5 | 0.27 |
| Heat wave | Very Low | 14th | 1.6 of 5 | 0.03 |
| Lightning | Relatively High | 10th | 1.4 of 5 | 38.1 |
| Winter weather | Relatively Moderate | 9th | 1.4 of 5 | 23.3 |
Perils not assessed in Park 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 Park 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.