WHISPERING WILLOW WIND FARM - EAST
OperatingWind power plant
- Capacity
- 200 MW
- Primary fuel
- Wind
- County
- Franklin County
- Operator
- INTERSTATE POWER AND LIGHT CO
- Status
- Operating
- Commissioned
- 2009
- EIA plant ID
- 56355
- Coordinates
- 42.6330, -93.2070
WHISPERING WILLOW WIND FARM - EAST, a 200 MW Wind power plant in Franklin County, Iowa. Operated by INTERSTATE POWER AND LIGHT CO, commissioned 2009.
Weather peril exposure
WHISPERING WILLOW WIND FARM - EAST is a 200 MW wind power plant in Franklin County, IA, operated by INTERSTATE POWER AND LIGHT CO, commissioned in 2009. Franklin County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.9 of 5 at the 47th national percentile. Heat wave is the leading peril, rated Very Low by FEMA at the 98th 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.
Franklin County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Heat wave | Very Low | 98th | 4.9 of 5 | 3.6 |
| Tornado | Relatively Low | 95th | 4.8 of 5 | 0.57 |
| Strong wind | Relatively Low | 88th | 4.5 of 5 | 4.7 |
| Winter weather | Relatively Low | 78th | 4.1 of 5 | 18.7 |
| Ice storm | Relatively Low | 61st | 3.4 of 5 | 0.67 |
| Hail | Relatively Low | 51st | 3.0 of 5 | 5.1 |
| Lightning | Very Low | 42nd | 2.7 of 5 | 40.6 |
| Riverine flooding | Very Low | 27th | 2.1 of 5 | 1.5 |
| Wildfire | Very Low | 16th | 1.6 of 5 | <0.01 |
| Earthquake | Very Low | 11th | 1.5 of 5 | <0.01 |
| Hurricane | Very Low | 6th | 1.2 of 5 | 0.01 |
Perils not assessed in Franklin 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 |
|---|---|
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Franklin 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.