Power plants and the grid in Tennessee
Tennessee has 108 power plants with 21.2 GW of capacity, natural gas the largest share at 5.7 GW. The map shows 50 data centers in Tennessee. Its interconnection queue holds 53 active requests for 13.8 GW.
Capacity by fuel
108 power plants with 21.2 GW of capacity, planned generators left out.
- Natural gas: 5.7 GW from 12 plants (27%)
- Coal: 5.4 GW from 4 plants (25%)
- Nuclear: 4.5 GW from 2 plants (21%)
- Hydro: 2.6 GW from 28 plants (12%)
- Pumped storage: 1.6 GW from 1 plant (8%)
- Solar: 1.3 GW from 54 plants (6%)
- Biomass: 85 MW from 4 plants (under 1%)
- Oil: 45 MW from 3 plants (under 1%)
Largest plants
- Cumberland (TN): Coal, 2.5 GW
- Sequoyah: Nuclear, 2.3 GW
- Watts Bar Nuclear Plant: Nuclear, 2.2 GW
- Raccoon Mountain: Pumped storage, 1.6 GW
- Gallatin (TN): Coal, 1.6 GW
- Lagoon Creek: Natural gas, 1.4 GW
- Johnsonville: Natural gas, 1.3 GW
- Kingston: Coal, 1.1 GW
- Allen: Natural gas, 1.1 GW
- John Sevier: Natural gas, 878 MW
Largest plants near Memphis
- Allen: Natural gas, 1.1 GW, 14 km away
- Graceland Solar, LLC: Solar, 150 MW, 24 km away
- SR Millington II: Solar, 75 MW, 30 km away
- Millington Solar Farm: Solar, 53 MW, 29 km away
- SR Canadaville, LLC: Solar, 16 MW, 37 km away
Largest plants near Nashville
- Gallatin (TN): Coal, 1.6 GW, 38 km away
- Old Hickory: Hydro, 116 MW, 18 km away
- Cheatham: Hydro, 41 MW, 43 km away
- J P Priest: Hydro, 30 MW, 15 km away
- Vanderbilt University Power Plant: Natural gas, 18 MW, 4 km away
Largest plants near Knoxville
- Douglas Dam: Hydro, 178 MW, 34 km away
- Fort Loudoun: Hydro, 168 MW, 35 km away
- Cherokee Dam: Hydro, 142 MW, 44 km away
- Norris Dam: Hydro, 127 MW, 32 km away
- Melton Hill: Hydro, 79 MW, 36 km away
Largest plants near Barlett
- Allen: Natural gas, 1.1 GW, 33 km away
- Graceland Solar, LLC: Solar, 150 MW, 10 km away
- SR Millington II: Solar, 75 MW, 15 km away
- Millington Solar Farm: Solar, 53 MW, 14 km away
- SR Canadaville, LLC: Solar, 16 MW, 26 km away
Largest plants near Chattanooga
- Sequoyah: Nuclear, 2.3 GW, 23 km away
- Raccoon Mountain: Pumped storage, 1.6 GW, 13 km away
- Chickamauga: Hydro, 142 MW, 4 km away
- Nickajack: Hydro, 106 MW, 35 km away
- SR Sequatchie: Solar, 8 MW, 39 km away
Planned and under construction
13 generators planned, under construction or testing, 3.3 GW in all, not counted above.
- Natural gas: 2.7 GW
- Solar: 542 MW
- Battery storage: 70 MW
Grid operators
- PJM (ISO or RTO): 1 plant
- Tennessee Valley Authority (TVA): 107 plants
Data centers
50 data center sites on the map.
- Shelby County: 11 sites
- Davidson County: 8 sites
- Montgomery County: 8 sites
- Sumner County: 7 sites
- Williamson County: 6 sites
- Hamilton County: 4 sites
- Knox County: 3 sites
- Operators with the most sites: Google (6), Meta (6), xAI (5), EdgeConneX (3), Flexential (3), CenturyLink (2), Data One Corporation (2), DC Blox (2), Centersquare (formerly Evoque) (1), Cielo Digital Infrastructure (1)
Interconnection queue
53 active requests to connect 13.8 GW of new generation and storage, from Lawrence Berkeley National Laboratory's Queued Up data.
- Natural gas: 10.7 GW in 15 requests
- Solar: 2.1 GW in 18 requests
- Battery storage: 747 MW in 6 requests
- Hydro: 170 MW in 10 requests
- Nuclear: 105 MW in 4 requests
Sources
Power plants: EIA-860M (US); NRCan NACEI (Canada, Mexico); WRI GPPD (Mexico); OpenStreetMap via Geofabrik (Canada, Mexico gap fill); USGS USWTDB/USPVDB; EPA eGRID; Natural Earth admin-1; HIFLD control areas; location attributes from WorldPop (R2025A), Global Solar Atlas PVOUT, Global Wind Atlas 4, USFS Wildfire Hazard Potential, the USGS National Seismic Hazard Model and the previous publish's lines and substations; water distances from OpenStreetMap via Geofabrik; gas distances and county queue from the previous publish's EIA gas pipelines and LBNL Queued Up requests; nearest city from Natural Earth populated places; cooling degree days from NOAA NCEI nClimDiv county normals; elevation and slope from the Copernicus DEM GLO-30 (ESA, via AWS Open Data); water stress from WRI Aqueduct 4.0; ozone nonattainment from the EPA Green Book; drought from the U.S. Drought Monitor; tribal land from US Census TIGER/Line. License: ODbL (derivative database; EIA content is public domain, NRCan OGL-Canada, WRI GPPD CC BY 4.0; location attributes from WorldPop, Global Solar Atlas, Global Wind Atlas, LBNL Queued Up and WRI Aqueduct CC BY 4.0, USFS, USGS, EIA, NOAA, EPA, US Census and Natural Earth public domain, Copernicus DEM GLO-30 © DLR e.V. and Airbus Defence and Space GmbH, the U.S. Drought Monitor courtesy of NDMC)
Places gazetteer (cities, airports, regions): Natural Earth populated places; OurAirports; Natural Earth admin-1; Wattlas curated places. License: Public domain
Data centers: Epoch AI (CC BY); OpenStreetMap via the public Overpass API (ODbL, © OpenStreetMap contributors); Ringmast4r Global-Data-Center-Map (custom permissive license, attribution required); location attributes from WorldPop (R2025A), Global Solar Atlas PVOUT, Global Wind Atlas 4, USFS Wildfire Hazard Potential, the USGS National Seismic Hazard Model and the previous publish's lines and substations; gas distances and county queue from the previous publish's EIA gas pipelines and LBNL Queued Up requests; nearest city from Natural Earth populated places; generation within 20 km from the previous publish's plants; cooling degree days from NOAA NCEI nClimDiv county normals; elevation and slope from the Copernicus DEM GLO-30 (ESA, via AWS Open Data); water stress from WRI Aqueduct 4.0; ozone nonattainment from the EPA Green Book; drought from the U.S. Drought Monitor; tribal land from US Census TIGER/Line. License: CC BY; ODbL; custom permissive; WRI Aqueduct CC BY 4.0; USFS, USGS, EIA, NOAA, EPA, US Census and Natural Earth public domain; Copernicus DEM GLO-30 © DLR e.V. and Airbus Defence and Space GmbH; the U.S. Drought Monitor courtesy of NDMC
Interconnection queue requests: Lawrence Berkeley National Laboratory and GridTracker, "Queued Up". License: CC BY 4.0
States and provinces (simplified polygons): Natural Earth 10m admin-1. License: Public domain