GridPlants

Watts Bar Nuclear Plant

NuclearTennesseeFirst unit online 1996

Watts Bar Nuclear Plant is a nuclear plant in Rhea County, Tennessee, operated by Tennessee Valley Authority. By nameplate capacity it is the 28th-largest power plant in the United States and the second-largest in Tennessee. Among the 56 nuclear plants in the country it is the eighth-largest. Its biggest unit, rated at 1,270 MW, is the second-largest single generator in Tennessee.

Nameplate capacity, 2025

2,540 MW

2,245 MW net summer capacity

2 operable units

  • Nuclear2,540 MW100%

Unit by unit, 1996 to 2025

operating in 2025bar height follows unit size

Unit 1 Nuclear, 1,270 MW, 1996
Unit 2 Nuclear, 1,270 MW, 2016

Among Tennessee’s plants

Largest plants in the state by nameplate capacity, with the plants ranked next to this one.

  1. 1Cumberland (TN)2,600 MW
  2. 2Watts Bar Nuclear Plantthis plant
  3. 3Sequoyah2,441 MW
  4. 4Gallatin (TN)1,918 MW

All power plants in Tennessee

Other rankings

Nuclear plants in Tennessee
1st of 2
Plants in the Tennessee Valley Authority balancing area
3rd of 152
Plants run by Tennessee Valley Authority
3rd of 53

Operable units

UnitTechnologyNameplateSummerOnlineStatus
1Nuclear1,270 MW1,123 MW1996Operating
2Nuclear1,270 MW1,122 MW2016Operating

Grid and site

Reliability region
SERC Reliability Corporation
Highest grid connection voltage
500 kV
Water source
Chickamauga Lake
Nearest town on record
Spring City
Operator type
Utility
Coordinates
35.602°N, 84.790°W

Closest plants

PlantRuns onCapacityDistance
Watts Bar HydroHydroelectric175 MW1.2 mi north
DMAT Denso - SEAT Solar Holdings, LLCSolar5.3 MW11.7 mi southeast
KingstonCoal1,700 MW25.5 mi northeast
Primient Loudon PlantNatural gas61.4 MW27.9 mi east
SequoyahNuclear2,441 MW31.0 mi southwest
Fort LoudounHydroelectric153 MW33.3 mi northeast
Melton HillHydroelectric72 MW33.7 mi northeast
Ocoee 1Hydroelectric19 MW36.0 mi south