WILMARTH
OperatingBiomass power plant
- Capacity
- 25 MW
- Primary fuel
- Biomass
- County
- Blue Earth County
- Operator
- XCEL ENERGY
- Status
- Operating
- Commissioned
- 1948
- EIA plant ID
- 1934
- Coordinates
- 44.1965, -94.0096
WILMARTH, a 25 MW Biomass power plant in Blue Earth County, Minnesota. Operated by XCEL ENERGY, commissioned 1948.
Weather peril exposure
WILMARTH is a 25 MW biomass power plant in Blue Earth County, MN, operated by XCEL ENERGY, commissioned in 1948. Blue Earth County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.7 of 5 at the 66th national percentile. Strong wind is the leading peril, rated Relatively High by FEMA at the 95th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a biomass plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Blue Earth County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Strong wind | Relatively High | 95th | 4.8 of 5 | 3.8 |
| Heat wave | Relatively Low | 94th | 4.8 of 5 | 5.2 |
| Winter weather | Relatively High | 85th | 4.4 of 5 | 20.9 |
| Tornado | Relatively Moderate | 77th | 4.1 of 5 | 0.62 |
| Hail | Relatively Moderate | 70th | 3.8 of 5 | 4.8 |
| Lightning | Very Low | 54th | 3.1 of 5 | 37.5 |
| Ice storm | Relatively Low | 43rd | 2.7 of 5 | 0.32 |
| Riverine flooding | Relatively Low | 30th | 2.2 of 5 | 1.1 |
| Wildfire | Very Low | 28th | 2.1 of 5 | <0.01 |
| Earthquake | Very Low | 4th | 1.2 of 5 | <0.01 |
Perils not assessed in Blue Earth 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 Blue Earth 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.