BOONE DAM
OperatingHydro power plant
- Capacity
- 106 MW
- Primary fuel
- Hydro
- County
- Sullivan County
- Operator
- TENNESSEE VALLEY AUTHORITY
- Status
- Operating
- Commissioned
- 1953
- EIA plant ID
- 3395
- Generators
- 3
- Technology
- Conventional Hydroelectric
- Net generation (2024)
- 184 GWh
- Capacity factor (2024, EIA nameplate)
- 20%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 36.4404, -82.4376
BOONE DAM, a 106 MW Hydro power plant in Sullivan County, Tennessee. Operated by TENNESSEE VALLEY AUTHORITY, commissioned 1953.
How BOONE DAM compares
With 106 MW of capacity, BOONE DAM ranks 22nd among the 53 operating power plants Bywatts maps in Tennessee and 11th of the 29 operating Hydro plants in the state. It accounts for about 2.5% of Tennessee's operating Hydro capacity and 0.5% of all operating capacity in the state. Nationally it is the 168th-largest of the 1,243 operating Hydro plants in the database. Commissioned in 1953, it is older than 60% of the 53 operating Tennessee plants with a recorded commissioning year. Its operator, TENNESSEE VALLEY AUTHORITY, runs 32 operating plants in Tennessee totaling 19,142 MW. It shares Sullivan County with 4 other operating plants, including TENNESSEE EASTMAN OPERATIONS and FORT PATRICK HENRY.
EIA-860 lists 3 generators at the site with 106 MW of nameplate capacity, all conventional hydroelectric technology. Net generation was 184 GWh in 2024 (a 20% capacity factor), up 21% from 2022.
Grid neighborhood
The nearest named substation is BOONE DAM, about 0.1 miles away; the closest transmission line found within 10 miles is a 161 kV line owned by KINGSPORT POWER CO, under 0.1 miles away. Another 7 operating power plants totaling 695 MW sit within 25 miles; the largest is WOLF HILLS ENERGY (285 MW, Natural Gas).
Computed by Bywatts from HIFLD power plant, substation and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
Weather peril exposure
BOONE DAM is a 106 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.