DOUGLAS DAM
OperatingHydro power plant
- Capacity
- 151 MW
- Primary fuel
- Hydro
- County
- Sevier County
- Operator
- TENNESSEE VALLEY AUTHORITY
- Status
- Operating
- Commissioned
- 1943
- EIA plant ID
- 3400
- Coordinates
- 35.9616, -83.5390
DOUGLAS DAM, a 151 MW Hydro power plant in Sevier County, Tennessee. Operated by TENNESSEE VALLEY AUTHORITY, commissioned 1943.
Weather peril exposure
DOUGLAS DAM is a 151 MW hydro power plant in Sevier County, TN, operated by TENNESSEE VALLEY AUTHORITY, commissioned in 1943. Sevier County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.5 of 5 at the 13th national percentile. Lightning is the leading peril, rated Relatively High by FEMA at the 87th 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.
Sevier County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Lightning | Relatively High | 87th | 4.5 of 5 | 55.1 |
| Earthquake | Relatively Low | 86th | 4.4 of 5 | <0.01 |
| Wildfire | Relatively Low | 71st | 3.9 of 5 | <0.01 |
| Winter weather | Relatively Moderate | 71st | 3.8 of 5 | 9.1 |
| Riverine flooding | Relatively Moderate | 65th | 3.6 of 5 | 1.5 |
| Hurricane | Very Low | 45th | 2.8 of 5 | 0.02 |
| Ice storm | Relatively Moderate | 43rd | 2.7 of 5 | 0.21 |
| Strong wind | Relatively Moderate | 41st | 2.6 of 5 | 4.3 |
| Tornado | Relatively Moderate | 37th | 2.5 of 5 | 0.15 |
| Hail | Relatively Low | 24th | 2.0 of 5 | 3.0 |
| Heat wave | Very Low | 11th | 1.5 of 5 | 0.47 |
Perils not assessed in Sevier 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 Sevier 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.