MELTON HILL
OperatingHydro power plant
- Capacity
- 72 MW
- Primary fuel
- Hydro
- County
- Loudon County
- Operator
- TENNESSEE VALLEY AUTHORITY
- Status
- Operating
- Commissioned
- 1964
- EIA plant ID
- 3408
- Coordinates
- 35.8852, -84.3003
MELTON HILL, a 72 MW Hydro power plant in Loudon County, Tennessee. Operated by TENNESSEE VALLEY AUTHORITY, commissioned 1964.
Weather peril exposure
MELTON HILL is a 72 MW hydro power plant in Loudon County, TN, operated by TENNESSEE VALLEY AUTHORITY, commissioned in 1964. Loudon County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.6 of 5 at the 15th national percentile. Lightning is the leading peril, rated Relatively Moderate by FEMA at the 94th 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.
Loudon County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Lightning | Relatively Moderate | 94th | 4.7 of 5 | 58.5 |
| Earthquake | Relatively Low | 90th | 4.6 of 5 | <0.01 |
| Winter weather | Relatively Moderate | 72nd | 3.9 of 5 | 4.3 |
| Riverine flooding | Relatively Low | 68th | 3.7 of 5 | 0.75 |
| Ice storm | Relatively Moderate | 56th | 3.2 of 5 | 0.50 |
| Wildfire | Very Low | 52nd | 3.1 of 5 | <0.01 |
| Tornado | Relatively Moderate | 50th | 3.0 of 5 | 0.09 |
| Hurricane | Very Low | 44th | 2.7 of 5 | 0.02 |
| Strong wind | Relatively Moderate | 36th | 2.4 of 5 | 4.9 |
| Hail | Very Low | 22nd | 1.9 of 5 | 3.1 |
| Heat wave | Very Low | 12th | 1.5 of 5 | 0.90 |
Perils not assessed in Loudon 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 Loudon 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.