ST. CHARLES POWER PLANT
OperatingOil power plant
- Capacity
- 9 MW
- Primary fuel
- Oil
- County
- Winona County
- Operator
- CITY OF ST CHARLES - (MN)
- Status
- Operating
- Commissioned
- 2004
- EIA plant ID
- 56100
- Coordinates
- 43.9757, -92.0593
ST. CHARLES POWER PLANT, a 9 MW Oil power plant in Winona County, Minnesota. Operated by CITY OF ST CHARLES - (MN), commissioned 2004.
Weather peril exposure
ST. CHARLES POWER PLANT is a 9 MW oil power plant in Winona County, MN, operated by CITY OF ST CHARLES - (MN), commissioned in 2004. Winona County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.8 of 5 at the 71st national percentile. Lightning is the leading peril, rated Relatively Low by FEMA at the 90th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to an oil plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Winona County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Lightning | Relatively Low | 90th | 4.6 of 5 | 36.9 |
| Riverine flooding | Relatively Moderate | 81st | 4.2 of 5 | 2.5 |
| Hail | Relatively Moderate | 76th | 4.0 of 5 | 4.1 |
| Heat wave | Relatively Low | 70th | 3.8 of 5 | 3.6 |
| Tornado | Relatively Moderate | 67th | 3.7 of 5 | 0.34 |
| Strong wind | Relatively Low | 51st | 3.0 of 5 | 3.3 |
| Winter weather | Relatively Moderate | 49th | 2.9 of 5 | 17.7 |
| Wildfire | Very Low | 21st | 1.8 of 5 | <0.01 |
| Ice storm | Relatively Low | 5th | 1.2 of 5 | 0.47 |
| Earthquake | Very Low | 3rd | 1.1 of 5 | <0.01 |
Perils not assessed in Winona 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 "No Rating" for this county |
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Winona 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.