OCONEE
OperatingNuclear power plant
- Capacity
- 2,667 MW
- Primary fuel
- Nuclear
- County
- Oconee County
- Operator
- DUKE ENERGY CAROLINAS, LLC
- Status
- Operating
- Commissioned
- 1973
- EIA plant ID
- 3265
- Coordinates
- 34.7940, -82.8982
OCONEE, a 2,667 MW Nuclear power plant in Oconee County, South Carolina. Operated by DUKE ENERGY CAROLINAS, LLC, commissioned 1973.
Weather peril exposure
OCONEE is a 2,667 MW nuclear power plant in Oconee County, SC, operated by DUKE ENERGY CAROLINAS, LLC, commissioned in 1973. Oconee County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.3 of 5 at the 33rd national percentile. Lightning is the leading peril, rated Relatively High by FEMA at the 89th 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.
Oconee County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Lightning | Relatively High | 89th | 4.6 of 5 | 61.1 |
| Ice storm | Relatively High | 83rd | 4.3 of 5 | 1.4 |
| Earthquake | Relatively Low | 71st | 3.9 of 5 | <0.01 |
| Hurricane | Relatively Low | 60th | 3.4 of 5 | 0.04 |
| Riverine flooding | Relatively Moderate | 52nd | 3.1 of 5 | 0.79 |
| Wildfire | Very Low | 52nd | 3.1 of 5 | <0.01 |
| Tornado | Relatively Moderate | 46th | 2.8 of 5 | 0.34 |
| Hail | Relatively Moderate | 44th | 2.7 of 5 | 4.4 |
| Winter weather | Very Low | 15th | 1.6 of 5 | 5.0 |
| Strong wind | Relatively Moderate | 15th | 1.6 of 5 | 2.2 |
| Heat wave | Relatively Low | 13th | 1.5 of 5 | 0.88 |
Perils not assessed in Oconee 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 Oconee 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.