SEVEN MILE HILL
OperatingWind power plant
- Capacity
- 124 MW
- Primary fuel
- Wind
- County
- Carbon County
- Operator
- PACIFICORP
- Status
- Operating
- Commissioned
- 2008
- EIA plant ID
- 56843
- Coordinates
- 41.9366, -106.3757
SEVEN MILE HILL, a 124 MW Wind power plant in Carbon County, Wyoming. Operated by PACIFICORP, commissioned 2008.
Weather peril exposure
SEVEN MILE HILL is a 124 MW wind power plant in Carbon County, WY, operated by PACIFICORP, commissioned in 2008. Carbon County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.2 of 5 at the 5th national percentile. Riverine flooding is the leading peril, rated Relatively Low by FEMA at the 87th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a wind plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Carbon County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Riverine flooding | Relatively Low | 87th | 4.5 of 5 | 0.29 |
| Wildfire | Relatively Low | 81st | 4.2 of 5 | <0.01 |
| Earthquake | Relatively Low | 78th | 4.1 of 5 | <0.01 |
| Ice storm | Relatively Low | 60th | 3.4 of 5 | 0.02 |
| Winter weather | Relatively Moderate | 44th | 2.8 of 5 | 24.5 |
| Lightning | Relatively High | 22nd | 1.9 of 5 | 44.2 |
| Hail | Very Low | 15th | 1.6 of 5 | 0.23 |
| Tornado | Very Low | 10th | 1.4 of 5 | 0.37 |
| Strong wind | Very Low | 9th | 1.4 of 5 | 0.23 |
Perils not assessed in Carbon 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 |
| Heat wave | FEMA rating is "No Rating" for this county |
Model hail, wind and flood exposure for Carbon 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.