PEACH BOTTOM
OperatingNuclear power plant
- Capacity
- 2,319 MW
- Primary fuel
- Nuclear
- County
- York County
- Operator
- EXELON NUCLEAR
- Status
- Operating
- Commissioned
- 1974
- EIA plant ID
- 3166
- Coordinates
- 39.7590, -76.2686
PEACH BOTTOM, a 2,319 MW Nuclear power plant in York County, Pennsylvania. Operated by EXELON NUCLEAR, commissioned 1974.
Weather peril exposure
PEACH BOTTOM is a 2,319 MW nuclear power plant in York County, PA, operated by EXELON NUCLEAR, commissioned in 1974. York County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.4 of 5 at the 9th national percentile. Hurricane is the leading peril, rated Relatively Moderate by FEMA at the 81st 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.
York County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Relatively Moderate | 81st | 4.2 of 5 | 0.09 |
| Earthquake | Relatively Low | 59th | 3.4 of 5 | <0.01 |
| Riverine flooding | Relatively High | 33rd | 2.3 of 5 | 3.5 |
| Winter weather | Very High | 27th | 2.1 of 5 | 12.2 |
| Strong wind | Relatively High | 25th | 2.0 of 5 | 6.8 |
| Lightning | Relatively High | 17th | 1.7 of 5 | 37.0 |
| Tornado | Relatively Low | 16th | 1.6 of 5 | 0.57 |
| Ice storm | Relatively Moderate | 10th | 1.4 of 5 | 1.2 |
| Wildfire | Very Low | 9th | 1.3 of 5 | <0.01 |
| Heat wave | Relatively Moderate | 7th | 1.3 of 5 | 5.3 |
| Hail | Very Low | 1st | 1.0 of 5 | 3.0 |
Perils not assessed in York 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 York 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.