CLINTON POWER STATION
OperatingNuclear power plant
- Capacity
- 1,138 MW
- Primary fuel
- Nuclear
- County
- De Witt County
- Operator
- EXELON NUCLEAR
- Status
- Operating
- Commissioned
- 1987
- EIA plant ID
- 204
- Generators
- 1
- Technology
- Nuclear
- Net generation (2024)
- 9,576 GWh
- Capacity factor (2024, EIA nameplate)
- 96%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 40.1730, -88.8344
CLINTON POWER STATION, a 1,138 MW Nuclear power plant in De Witt County, Illinois. Operated by EXELON NUCLEAR, commissioned 1987.
How CLINTON POWER STATION compares
With 1,138 MW of capacity, CLINTON POWER STATION ranks 14th among the 158 operating power plants Bywatts maps in Illinois and is the smallest of the 6 operating Nuclear plants in the state. It accounts for about 9.2% of Illinois's operating Nuclear capacity and 2.8% of all operating capacity in the state. Nationally it is the 44th-largest of the 55 operating Nuclear plants in the database. Commissioned in 1987, it is older than 72% of the 150 operating Illinois plants with a recorded commissioning year. Its operator, EXELON NUCLEAR, runs 6 operating plants in Illinois totaling 12,415 MW. It shares De Witt County with one other operating plant, FARMER CITY.
EIA-860 lists 1 generator at the site with 1,138 MW of nameplate capacity, all nuclear technology. Net generation was 9,576 GWh in 2024 (a 96% capacity factor), up 4% from 2022.
Grid neighborhood
The closest transmission line found within 10 miles is a 345 kV line, under 0.1 miles away. Another 7 operating power plants totaling 1,493 MW sit within 25 miles; the largest is GOOSE CREEK ENERGY CENTER (684 MW, Natural Gas).
Computed by Bywatts from HIFLD power plant and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
Weather peril exposure
CLINTON POWER STATION is a 1,138 MW nuclear power plant in De Witt County, IL, operated by EXELON NUCLEAR, commissioned in 1987. De Witt County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.5 of 5 at the 62nd national percentile. Earthquake is the leading peril, rated Relatively Low by FEMA at the 82nd percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a nuclear plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
De Witt County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively Low | 82nd | 4.3 of 5 | <0.01 |
| Strong wind | Relatively Low | 80th | 4.2 of 5 | 5.1 |
| Tornado | Relatively Low | 74th | 3.9 of 5 | 0.46 |
| Hail | Relatively Low | 68th | 3.7 of 5 | 3.2 |
| Riverine flooding | Very Low | 56th | 3.2 of 5 | 0.68 |
| Ice storm | Relatively Low | 51st | 3.0 of 5 | 1.6 |
| Winter weather | Relatively Low | 48th | 2.9 of 5 | 9.4 |
| Lightning | Very Low | 28th | 2.1 of 5 | 47.2 |
| Heat wave | Relatively Low | 21st | 1.8 of 5 | 6.8 |
| Hurricane | Very Low | 17th | 1.7 of 5 | <0.01 |
| Wildfire | Very Low | 8th | 1.3 of 5 | <0.01 |
Perils not assessed in De Witt 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 De Witt 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.