WEYERHAEUSER KINGSPORT MILL
OperatingBiomass power plant
- Capacity
- 50 MW
- Primary fuel
- Biomass
- County
- Sullivan County
- Operator
- DOMTAR PAPER CO LLC KINGSPORT MILL
- Status
- Operating
- Commissioned
- 2006
- EIA plant ID
- 10252
- Generators
- 1
- Net generation (2024)
- 134 GWh
- Capacity factor (2024, EIA nameplate)
- 30%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 36.5496, -82.5697
WEYERHAEUSER KINGSPORT MILL, a 50 MW Biomass power plant in Sullivan County, Tennessee. Operated by DOMTAR PAPER CO LLC KINGSPORT MILL, commissioned 2006.
How WEYERHAEUSER KINGSPORT MILL compares
With 50 MW of capacity, WEYERHAEUSER KINGSPORT MILL ranks 32nd among the 53 operating power plants Bywatts maps in Tennessee and 2nd of the 3 operating Biomass plants in the state. It accounts for about 39% of Tennessee's operating Biomass capacity and 0.2% of all operating capacity in the state. Nationally it is the 76th-largest of the 350 operating Biomass plants in the database. Commissioned in 2006, it is newer than 88% of the 53 operating Tennessee plants with a recorded commissioning year. It shares Sullivan County with 4 other operating plants, including TENNESSEE EASTMAN OPERATIONS and BOONE DAM.
Under the same EIA plant code, EIA-860 lists 1 generator at the site with 50 MW of nameplate capacity. Net generation was 134 GWh in 2024 (a 30% capacity factor).
Grid neighborhood
The nearest named substation is BOONE DAM, about 10.5 miles away; the closest transmission line found within 10 miles is a 138 kV line owned by KINGSPORT POWER CO, under 0.1 miles away. Another 4 operating power plants totaling 1,757 MW sit within 25 miles; the largest is JOHN SEVIER (1,397 MW, Coal).
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
WEYERHAEUSER KINGSPORT MILL is a 50 MW biomass power plant in Sullivan County, TN, operated by DOMTAR PAPER CO LLC KINGSPORT MILL, commissioned in 2006. 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 biomass 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.