BENT TREE WIND FARM
OperatingWind power plant
- Capacity
- 201 MW
- Primary fuel
- Wind
- County
- Freeborn County
- Operator
- ALLIANT ENERGY
- Status
- Operating
- Commissioned
- 2011
- EIA plant ID
- 57198
- Coordinates
- 43.7467, -93.4522
BENT TREE WIND FARM, a 201 MW Wind power plant in Freeborn County, Minnesota. Operated by ALLIANT ENERGY, commissioned 2011.
Weather peril exposure
BENT TREE WIND FARM is a 201 MW wind power plant in Freeborn County, MN, operated by ALLIANT ENERGY, commissioned in 2011. Freeborn County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.8 of 5 at the 69th national percentile. Tornado is the leading peril, rated Relatively Moderate by FEMA at the 94th 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.
Freeborn County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Tornado | Relatively Moderate | 94th | 4.8 of 5 | 0.61 |
| Heat wave | Very Low | 92nd | 4.7 of 5 | 4.3 |
| Strong wind | Relatively Moderate | 90th | 4.6 of 5 | 3.8 |
| Lightning | Very Low | 76th | 4.0 of 5 | 39.5 |
| Hail | Relatively Moderate | 73rd | 3.9 of 5 | 4.6 |
| Winter weather | Relatively Moderate | 58th | 3.3 of 5 | 20.7 |
| Riverine flooding | Relatively Low | 33rd | 2.3 of 5 | 0.75 |
| Ice storm | Very Low | 26th | 2.0 of 5 | 0.62 |
| Wildfire | Very Low | 24th | 2.0 of 5 | <0.01 |
| Earthquake | Very Low | 7th | 1.3 of 5 | <0.01 |
Perils not assessed in Freeborn 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 Freeborn 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.