Tennessee
power plants.
Tennessee has 54 operating power plants in the catalog, 22,134 MW in all. The catalog also marks 4 plants as Retired, with 1,242 MW of capacity. Its operating fleet leans on natural gas, which accounts for 30.2% of operating capacity, with coal second at 28.1%. The largest operating plant in the catalog is Cumberland Steam Plant (2,600 MW, recorded start year 1973).
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Tennessee electricity mix
Operating installed capacity by fuel. Each row gives megawatts and its share of the operating total.
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Largest plants in Tennessee
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Newest plants in Tennessee
Operating plants with the most recent recorded start years. The catalog records years, not full commissioning dates.
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Frequently asked questions
Where does Tennessee get its electricity?
Across the 54 operating plants in the catalog, capacity is led by natural gas at 30.2%, then coal at 28.1%. These are installed-capacity shares, not live generation.
What is the largest power plant in Tennessee?
The largest operating plant in the catalog for Tennessee is Cumberland Steam Plant, a coal facility with 2,600 MW and a recorded start year of 1973.
How many power plants are in Tennessee?
The catalog tracks 54 operating power plants in Tennessee, with 22,134 MW in all. It also marks 4 plants as Retired, with 1,242 MW of capacity.