FORT PATRICK HENRY
OperatingHydro power plant
- Capacity
- 59 MW
- Primary fuel
- Hydro
- County
- Sullivan County
- Operator
- TENNESSEE VALLEY AUTHORITY
- Status
- Operating
- Commissioned
- 1953
- EIA plant ID
- 3401
- Coordinates
- 36.4983, -82.5087
FORT PATRICK HENRY, a 59 MW Hydro power plant in Sullivan County, Tennessee. Operated by TENNESSEE VALLEY AUTHORITY, commissioned 1953.
Weather peril exposure
FORT PATRICK HENRY is a 59 MW hydro power plant in Sullivan County, TN, operated by TENNESSEE VALLEY AUTHORITY, commissioned in 1953. Sullivan County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.2 of 5 at the 4th national percentile. Earthquake is the leading peril, rated Relatively Low by FEMA at the 78th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a hydro plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Sullivan County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively Low | 78th | 4.1 of 5 | <0.01 |
| Lightning | Relatively High | 51st | 3.0 of 5 | 50.3 |
| Hurricane | Very Low | 39th | 2.6 of 5 | 0.01 |
| Wildfire | Very Low | 39th | 2.6 of 5 | <0.01 |
| Riverine flooding | Relatively Moderate | 37th | 2.5 of 5 | 1.3 |
| Strong wind | Relatively High | 34th | 2.4 of 5 | 3.2 |
| Tornado | Relatively Low | 21st | 1.8 of 5 | 0.07 |
| Hail | Relatively Low | 18th | 1.7 of 5 | 3.0 |
| Ice storm | Relatively Low | 16th | 1.6 of 5 | 0.07 |
| Winter weather | Relatively Low | 12th | 1.5 of 5 | 7.7 |
| Heat wave | Very Low | 8th | 1.3 of 5 | 0.11 |
Perils not assessed in Sullivan 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 Sullivan 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.