ROLLING HILLS
OperatingWind power plant
- Capacity
- 103 MW
- Primary fuel
- Wind
- County
- Converse County
- Operator
- PACIFICORP
- Status
- Operating
- Commissioned
- 2009
- EIA plant ID
- 56842
- Coordinates
- 43.0780, -105.8607
ROLLING HILLS, a 103 MW Wind power plant in Converse County, Wyoming. Operated by PACIFICORP, commissioned 2009.
Weather peril exposure
ROLLING HILLS is a 103 MW wind power plant in Converse County, WY, operated by PACIFICORP, commissioned in 2009. Converse County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.1 of 5 at the 53rd national percentile. Wildfire is the leading peril, rated Relatively Moderate by FEMA at the 91st 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.
Converse County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Wildfire | Relatively Moderate | 91st | 4.6 of 5 | <0.01 |
| Winter weather | Relatively Moderate | 77th | 4.1 of 5 | 19.1 |
| Riverine flooding | Relatively Low | 77th | 4.1 of 5 | 0.18 |
| Earthquake | Very Low | 75th | 4.0 of 5 | <0.01 |
| Hail | Relatively Low | 62nd | 3.5 of 5 | 1.4 |
| Lightning | Relatively Low | 47th | 2.9 of 5 | 42.2 |
| Tornado | Very Low | 25th | 2.0 of 5 | 0.69 |
| Ice storm | Very Low | 24th | 2.0 of 5 | 0.02 |
| Heat wave | Very Low | 12th | 1.5 of 5 | 0.17 |
| Strong wind | Very Low | 4th | 1.2 of 5 | 0.43 |
Perils not assessed in Converse 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 Converse 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.