ROLLING THUNDER WIND FARM
OperatingWind power plant
- Capacity
- 25 MW
- Primary fuel
- Wind
- County
- Hand County
- Operator
- AE POWER SERVICES LLC
- Status
- Operating
- Commissioned
- 2009
- EIA plant ID
- 57045
- Coordinates
- 44.4778, -99.1339
ROLLING THUNDER WIND FARM, a 25 MW Wind power plant in Hand County, South Dakota. Operated by AE POWER SERVICES LLC, commissioned 2009.
Weather peril exposure
ROLLING THUNDER WIND FARM is a 25 MW wind power plant in Hand County, SD, operated by AE POWER SERVICES LLC, commissioned in 2009. Hand County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.5 of 5 at the 37th national percentile. Wildfire is the leading peril, rated Relatively Low by FEMA at the 89th 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.
Hand County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Wildfire | Relatively Low | 89th | 4.6 of 5 | <0.01 |
| Heat wave | Very Low | 78th | 4.1 of 5 | 4.5 |
| Ice storm | Relatively Low | 71st | 3.9 of 5 | 0.49 |
| Tornado | Very Low | 66th | 3.6 of 5 | 0.63 |
| Strong wind | Very Low | 66th | 3.6 of 5 | 2.7 |
| Winter weather | Relatively Low | 57th | 3.3 of 5 | 17.9 |
| Riverine flooding | Very Low | 53rd | 3.1 of 5 | 1.2 |
| Hail | Relatively Low | 45th | 2.8 of 5 | 4.0 |
| Lightning | Very Low | 23rd | 1.9 of 5 | 34.2 |
| Earthquake | Very Low | 22nd | 1.9 of 5 | <0.01 |
Perils not assessed in Hand 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 Hand 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.