VERMONT YANKEE
OperatingNuclear power plant
- Capacity
- 563 MW
- Primary fuel
- Nuclear
- County
- Windham County
- Operator
- ENTERGY NUCLEAR VERMONT YANKEE
- Status
- Operating
- EIA plant ID
- 3751
- Coordinates
- 42.7789, -72.5133
VERMONT YANKEE, a 563 MW Nuclear power plant in Windham County, Vermont. Operated by ENTERGY NUCLEAR VERMONT YANKEE.
Weather peril exposure
VERMONT YANKEE is a 563 MW nuclear power plant in Windham County, VT, operated by ENTERGY NUCLEAR VERMONT YANKEE. Windham County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.3 of 5 at the 7th national percentile. Ice storm is the leading peril, rated Relatively Moderate by FEMA at the 73rd 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.
Windham County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Ice storm | Relatively Moderate | 73rd | 3.9 of 5 | 1.2 |
| Hurricane | Relatively Low | 72nd | 3.9 of 5 | 0.06 |
| Riverine flooding | Relatively Low | 70th | 3.8 of 5 | 1.9 |
| Lightning | Relatively Moderate | 59th | 3.4 of 5 | 22.9 |
| Winter weather | Relatively Low | 54th | 3.2 of 5 | 23.4 |
| Earthquake | Very Low | 40th | 2.6 of 5 | <0.01 |
| Tornado | Relatively Low | 28th | 2.1 of 5 | 0.15 |
| Strong wind | Relatively Low | 20th | 1.8 of 5 | 1.3 |
| Wildfire | Very Low | 9th | 1.4 of 5 | <0.01 |
| Hail | Very Low | 7th | 1.3 of 5 | 2.6 |
| Heat wave | Very Low | 4th | 1.2 of 5 | 1.3 |
Perils not assessed in Windham 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 Windham 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.