SOUTH FOND DU LAC
OperatingNatural Gas power plant
- Capacity
- 382 MW
- Primary fuel
- Natural Gas
- County
- Fond du Lac County
- Operator
- WISCONSIN POWER & LIGHT CO
- Status
- Operating
- Commissioned
- 1993
- EIA plant ID
- 7203
- Generators
- 4
- Technology
- Natural Gas Fired Combustion Turbine
- Net generation (2024)
- 5.4 GWh
- Capacity factor (2024, EIA nameplate)
- 0.2%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 43.7354, -88.4964
SOUTH FOND DU LAC, a 382 MW Natural Gas power plant in Fond du Lac County, Wisconsin. Operated by WISCONSIN POWER & LIGHT CO, commissioned 1993.
How SOUTH FOND DU LAC compares
With 382 MW of capacity, SOUTH FOND DU LAC ranks 12th among the 141 operating power plants Bywatts maps in Wisconsin and 5th of the 26 operating Natural Gas plants in the state. It accounts for about 5.9% of Wisconsin's operating Natural Gas capacity and 2.4% of all operating capacity in the state. Nationally it is the 389th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 1993, it is newer than 68% of the 141 operating Wisconsin plants with a recorded commissioning year. Its operator, WISCONSIN POWER & LIGHT CO, runs 8 operating plants in Wisconsin totaling 3,001 MW. It shares Fond du Lac County with 2 other operating plants, BLUE SKY GREEN FIELD WIND PROJECT and CEDAR RIDGE.
EIA-860 lists 4 generators at the site with 382 MW of nameplate capacity, all natural gas fired combustion turbine technology. Net generation was 5.4 GWh in 2024 (a 0.2% capacity factor). Its generators came online between 1993 and 1996.
Grid neighborhood
The nearest named substation is SOUTH FOND DE LAC (345 kV), about 0.1 miles away; the closest transmission line found within 10 miles is a 138 kV line, under 0.1 miles away. Another 6 operating power plants totaling 402 MW sit within 25 miles; the largest is BLUE SKY GREEN FIELD WIND PROJECT (145 MW, Wind).
Computed by Bywatts from HIFLD power plant, substation and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
Weather peril exposure
SOUTH FOND DU LAC is a 382 MW natural gas power plant in Fond du Lac County, WI, operated by WISCONSIN POWER & LIGHT CO, commissioned in 1993. Fond du Lac County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.9 of 5 at the 72nd national percentile. Hail is the leading peril, rated Relatively Moderate by FEMA at the 78th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a natural gas plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Fond du Lac County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hail | Relatively Moderate | 78th | 4.1 of 5 | 3.3 |
| Lightning | Relatively Moderate | 65th | 3.6 of 5 | 34.3 |
| Tornado | Relatively Moderate | 63rd | 3.5 of 5 | 0.51 |
| Strong wind | Relatively High | 42nd | 2.7 of 5 | 3.4 |
| Wildfire | Very Low | 41st | 2.6 of 5 | <0.01 |
| Heat wave | Relatively Low | 37th | 2.5 of 5 | 2.5 |
| Riverine flooding | Relatively Moderate | 14th | 1.6 of 5 | 0.64 |
| Earthquake | Very Low | 13th | 1.5 of 5 | <0.01 |
| Winter weather | Relatively Moderate | 4th | 1.2 of 5 | 15.1 |
| Hurricane | Very Low | 4th | 1.2 of 5 | 0.01 |
| Ice storm | Relatively Low | 4th | 1.2 of 5 | 0.24 |
Perils not assessed in Fond du Lac 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 Fond du Lac 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.