Gallatin (TN)
Gallatin (TN) is a coal plant in Sumner County, Tennessee, operated by Tennessee Valley Authority. It ranks fourth by nameplate capacity among Tennessee’s 99 power plants. The operator has reported planned retirement dates for 1,918 MW of it, in 2031. Eight units here can switch between natural gas and oil.
Nameplate capacity, 2025
1,918 MW
1,556 MW net summer capacity
12 operable units
- Coal steam1,255 MW65%
- Gas combustion turbine663 MW35%
Unit by unit, 1956 to 2025
operating in 2025reported planned retirementbar height follows unit size
Unit 1 Coal steam, 300 MW, 1956
Unit 2 Coal steam, 300 MW, 1957
Unit 3 Coal steam, 328 MW, 1959
Unit 4 Coal steam, 328 MW, 1959
Unit GT1 Gas combustion turbine, 81.3 MW, 1975
Unit GT2 Gas combustion turbine, 81.3 MW, 1975
Unit GT3 Gas combustion turbine, 81.3 MW, 1975
Unit GT4 Gas combustion turbine, 81.3 MW, 1975
Unit GT5 Gas combustion turbine, 84.5 MW, 2000
Unit GT6 Gas combustion turbine, 84.5 MW, 2000
Unit GT7 Gas combustion turbine, 84.5 MW, 2000
Unit GT8 Gas combustion turbine, 84.5 MW, 2000
Among Tennessee’s plants
Largest plants in the state by nameplate capacity, with the plants ranked next to this one.
- 1Cumberland (TN)2,600 MW
- 2Watts Bar Nuclear Plant2,540 MW
- 3Sequoyah2,441 MW
- 4Gallatin (TN)this plant
- 5Raccoon Mountain1,714 MW
- 6Kingston1,700 MW
Other rankings
- All US power plants
- 75th of 14,286
- US coal plants
- 21st of 195
- Coal plants in Tennessee
- 2nd of 4
- Plants in the Tennessee Valley Authority balancing area
- 5th of 152
- Plants run by Tennessee Valley Authority
- 5th of 53
- Biggest single unit, among Tennessee’s plants
- 7th of 99
Operable units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| 1 | Coal steam | 300 MW | 225 MW | 1956 | Operating, retirement planned for 2031 |
| 2 | Coal steam | 300 MW | 225 MW | 1957 | Operating, retirement planned for 2031 |
| 3 | Coal steam | 328 MW | 263 MW | 1959 | Operating, retirement planned for 2031 |
| 4 | Coal steam | 328 MW | 263 MW | 1959 | Operating, retirement planned for 2031 |
| GT1 | Gas combustion turbine | 81.3 MW | 71.5 MW | 1975 | Operating, retirement planned for 2031 |
| GT2 | Gas combustion turbine | 81.3 MW | 71.5 MW | 1975 | Operating, retirement planned for 2031 |
| GT3 | Gas combustion turbine | 81.3 MW | 71.5 MW | 1975 | Operating, retirement planned for 2031 |
| GT4 | Gas combustion turbine | 81.3 MW | 71.5 MW | 1975 | Operating, retirement planned for 2031 |
| GT5 | Gas combustion turbine | 84.5 MW | 73.4 MW | 2000 | Operating, retirement planned for 2031 |
| GT6 | Gas combustion turbine | 84.5 MW | 73.4 MW | 2000 | Operating, retirement planned for 2031 |
| GT7 | Gas combustion turbine | 84.5 MW | 73.4 MW | 2000 | Operating, retirement planned for 2031 |
| GT8 | Gas combustion turbine | 84.5 MW | 73.4 MW | 2000 | Operating, retirement planned for 2031 |
Grid and site
- Balancing area
- Tennessee Valley Authority
- Reliability region
- SERC Reliability Corporation
- Highest grid connection voltage
- 161 kV
- Water source
- Cumberland River
- Nearest town on record
- Gallatin
- Operator type
- Utility
- Coordinates
- 36.316°N, 86.401°W
Closest plants
| Plant | Runs on | Capacity | Distance |
|---|---|---|---|
| Old Hickory | Hydroelectric | 104 MW | 14.3 mi west |
| J P Priest | Hydroelectric | 28 MW | 16.4 mi southwest |
| Opryland USA | Natural gas | 4.5 MW | 17.9 mi southwest |
| Music City Community Solar | Solar | 1.6 MW | 19.8 mi west |
| Vanderbilt University Power Plant | Natural gas | 18.7 MW | 25.3 mi southwest |
| Cordell Hull | Hydroelectric | 99.9 MW | 25.5 mi east |
| SR Warren, LLC | Solar | 3.5 MW | 28.6 mi north |
| SR Franklin, LLC | Solar | 2.5 MW | 28.7 mi north |