TN · State grid profile
Tennessee power grid
Tennessee's operating portfolio is led by Oil & gas, followed by Coal. Its 117 plants represent 23,357 MW of nameplate capacity. The dataset also reports 5,295 MW of proposed capacity.
Final 2024 state totalsPreliminary 2025 facilitiesCommunity-reported data centers
Coverage quality
What is complete here?
Generation portfolio
Tennessee capacity by fuel
Oil & gas33.4%7,810 MW
Coal24.3%5,666 MW
Nuclear21.3%4,981 MW
Hydro18.1%4,218 MW
Solar2.5%594 MW
Biomass0.4%87 MW
Wind0%2 MW
Facility intelligence
Largest Tennessee power plants
| Plant | Primary fuel | Location | Utility | Operating capacity |
|---|---|---|---|---|
| Cumberland (TN)Plant 3399 | Coal | Cumberland City, TNStewart County | Tennessee Valley Authority | 2,600 MW |
| Watts Bar Nuclear PlantPlant 7722 | Nuclear | Spring City, TNRhea County | Tennessee Valley Authority | 2,540 MW |
| SequoyahPlant 6152 | Nuclear | Soddy Daisy, TNHamilton County | Tennessee Valley Authority | 2,441 MW |
| Gallatin (TN)Plant 3403 | Coal | Gallatin, TNSumner County | Tennessee Valley Authority | 1,918 MW |
| Raccoon MountainPlant 6151 | Hydro | Chattanooga, TNHamilton County | Tennessee Valley Authority | 1,714 MW |
| KingstonPlant 3407 | Coal | Kingston, TNRoane County | Tennessee Valley Authority | 1,700 MW |
| JohnsonvillePlant 3406 | Oil & gas | New Johnsonville, TNHumphreys County | Tennessee Valley Authority | 1,676 MW |
| Lagoon CreekPlant 7845 | Oil & gas | Brownsville, TNHaywood County | Tennessee Valley Authority | 1,625 MW |
| AllenPlant 3393 | Oil & gas | Memphis, TNShelby County | Tennessee Valley Authority | 1,290 MW |
| John SevierPlant 3405 | Oil & gas | Rogersville, TNHawkins County | Tennessee Valley Authority | 997 MW |
Methodology
Transparent by design
State totals and fuel mix use finalized EIA-860 2024 generator data. The facility table uses the EIA-860 2025 Early Release and is preliminary. Data-center counts use OpenStreetMap community records and measure mapped coverage, not the full market.