Mississippi
power plants.
Mississippi has 30 operating power plants in the catalog, 14,632 MW in all. The catalog also marks 1 plant as Retired, with 545 MW of capacity. Its operating fleet leans on natural gas, which accounts for 79.5% of operating capacity, with nuclear second at 10.3%. The largest operating plant in the catalog is Grand Gulf Nuclear Power Plant (1,500 MW, recorded start year 1985).
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: .
Mississippi 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 Mississippi
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Newest plants in Mississippi
This table includes 1 of the 5 operating plants with a recorded start year of 2003, largest first. 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 Mississippi get its electricity?
Across the 30 operating plants in the catalog, capacity is led by natural gas at 79.5%, then nuclear at 10.3%. These are installed-capacity shares, not live generation.
What is the largest power plant in Mississippi?
The largest operating plant in the catalog for Mississippi is Grand Gulf Nuclear Power Plant, a nuclear facility with 1,500 MW and a recorded start year of 1985.
How many power plants are in Mississippi?
The catalog tracks 30 operating power plants in Mississippi, with 14,632 MW in all. It also marks 1 plant as Retired, with 545 MW of capacity.