How many nuclear power plants are in Tennessee?

2, with 5 GW of nameplate capacity between them, spread over 2 counties. That is the EIA-860M operating count for 2026-07.

Is there a map of Tennessee nuclear power plants?

Yes — the map above. Each dot is one nuclear power plant, sized by nameplate capacity and placed at the coordinates EIA files for it.

Which is the largest nuclear power plant in Tennessee?

Watts Bar Nuclear Plant, at 3 GW. The table is sorted largest first, so the rest follow it.

Is there a nuclear power plant near me in Tennessee?

The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.

Which grid operator runs Tennessee's nuclear power plants?

No single ISO or RTO covers most of them. EIA files each plant against its own balancing authority, which in Tennessee is largely a vertically integrated utility rather than an organised market.

How current is this, and what is left out?

EIA-860M for 2026-07. EIA technology "Nuclear" — commercial reactors reporting on EIA-860M. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.

Nuclear Power Plants in Tennessee

Every operating nuclear power plant in Tennessee on EIA-860M for 2026-07: 2 plants, 4 reactors and 5 GW of nameplate capacity across 2 counties.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Plants: 2; 4 generating units
Nameplate capacity: 5 GW
Counties: 2
Grid operator: Mixed; no single ISO covers a majority

Map of nuclear power plants in Tennessee

Every one of the 2 plants is drawn at the coordinate EIA files for it.

Loading map…

Nuclear · 2

List of nuclear power plants in Tennessee

Sort by any column. Capacity is nameplate, summed across every generating unit EIA lists at the site.

nuclear power plants in Tennessee

Watts Bar Nuclear PlantNuclear	Tennessee Valley Authority	Rhea	2,539.8	2	1996	Operating
SequoyahNuclear	Tennessee Valley Authority	Hamilton	2,441	2	1981	Operating

Largest nuclear power plants in Tennessee

1Watts Bar Nuclear PlantRhea County, Tennessee2,539.8 MW
2SequoyahHamilton County, Tennessee2,441 MW

Nuclear power plants by county in Tennessee

The county EIA files against each plant. It is the fastest way to find the plant nearest a given town.

County	Plants	Nameplate MW
Rhea	1	2,539.8
Hamilton	1	2,441

Nuclear Power Plants in Tennessee: FAQ

How many nuclear power plants are in Tennessee?: 2, with 5 GW of nameplate capacity between them, spread over 2 counties. That is the EIA-860M operating count for 2026-07.
Is there a map of Tennessee nuclear power plants?: Yes — the map above. Each dot is one nuclear power plant, sized by nameplate capacity and placed at the coordinates EIA files for it.
Which is the largest nuclear power plant in Tennessee?: Watts Bar Nuclear Plant, at 3 GW. The table is sorted largest first, so the rest follow it.
Is there a nuclear power plant near me in Tennessee?: The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.
Which grid operator runs Tennessee's nuclear power plants?: No single ISO or RTO covers most of them. EIA files each plant against its own balancing authority, which in Tennessee is largely a vertically integrated utility rather than an organised market.
How current is this, and what is left out?: EIA-860M for 2026-07. EIA technology "Nuclear" — commercial reactors reporting on EIA-860M. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.