DAVIS BESSE
OperatingNuclear power plant
- Capacity
- 925 MW
- Primary fuel
- Nuclear
- County
- Ottawa County
- Operator
- FIRSTENERGY NUCLEAR OPERATING COMPANY
- Status
- Operating
- Commissioned
- 1977
- EIA plant ID
- 6149
- Coordinates
- 41.5967, -83.0861
DAVIS BESSE, a 925 MW Nuclear power plant in Ottawa County, Ohio. Operated by FIRSTENERGY NUCLEAR OPERATING COMPANY, commissioned 1977.
Weather peril exposure
DAVIS BESSE is a 925 MW nuclear power plant in Ottawa County, OH, operated by FIRSTENERGY NUCLEAR OPERATING COMPANY, commissioned in 1977. Ottawa County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.2 of 5 at the 54th national percentile. Heat wave is the leading peril, rated Very 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.
Ottawa County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Heat wave | Very Low | 82nd | 4.3 of 5 | 2.9 |
| Winter weather | Relatively Moderate | 79th | 4.2 of 5 | 8.9 |
| Ice storm | Relatively Moderate | 74th | 4.0 of 5 | 1.2 |
| Riverine flooding | Relatively Low | 67th | 3.7 of 5 | 1.1 |
| Strong wind | Relatively Moderate | 64th | 3.6 of 5 | 3.4 |
| Tornado | Relatively Moderate | 64th | 3.6 of 5 | 0.25 |
| Hail | Relatively Low | 62nd | 3.5 of 5 | 3.3 |
| Earthquake | Very Low | 41st | 2.6 of 5 | <0.01 |
| Lightning | Relatively Low | 40th | 2.6 of 5 | 37.3 |
| Hurricane | Very Low | 34th | 2.3 of 5 | 0.02 |
| Coastal flooding | Relatively Low | 25th | 2.0 of 5 | 0.02 |
| Wildfire | Very Low | 3rd | 1.1 of 5 | <0.01 |
Model hail, wind and flood exposure for Ottawa 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.