LASALLE GENERATING STATION
OperatingNuclear power plant
- Capacity
- 2,340 MW
- Primary fuel
- Nuclear
- County
- LaSalle County
- Operator
- EXELON NUCLEAR
- Status
- Operating
- Commissioned
- 1984
- EIA plant ID
- 6026
- Coordinates
- 41.2455, -88.6691
LASALLE GENERATING STATION, a 2,340 MW Nuclear power plant in LaSalle County, Illinois. Operated by EXELON NUCLEAR, commissioned 1984.
Weather peril exposure
LASALLE GENERATING STATION is a 2,340 MW nuclear power plant in LaSalle County, IL, operated by EXELON NUCLEAR, commissioned in 1984. LaSalle County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.8 of 5 at the 19th national percentile. Earthquake is the leading peril, rated Relatively Low by FEMA at the 66th 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.
LaSalle County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively Low | 66th | 3.6 of 5 | <0.01 |
| Riverine flooding | Relatively Moderate | 62nd | 3.5 of 5 | 2.0 |
| Tornado | Relatively Moderate | 44th | 2.8 of 5 | 1.1 |
| Strong wind | Relatively High | 40th | 2.6 of 5 | 5.9 |
| Ice storm | Relatively Moderate | 35th | 2.4 of 5 | 0.70 |
| Hail | Relatively Low | 33rd | 2.3 of 5 | 4.1 |
| Lightning | Relatively Moderate | 27th | 2.1 of 5 | 44.0 |
| Heat wave | Relatively Low | 25th | 2.0 of 5 | 4.4 |
| Wildfire | Very Low | 24th | 2.0 of 5 | <0.01 |
| Winter weather | Relatively Moderate | 24th | 1.9 of 5 | 15.1 |
| Hurricane | Very Low | 9th | 1.4 of 5 | 0.01 |
Perils not assessed in LaSalle 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 LaSalle 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.