Maryland
power plants.
Maryland has 101 operating power plants in the catalog, 11,509 MW in all. The catalog also marks 3 plants as Retired, with 754 MW of capacity. Its operating fleet leans on natural gas, which accounts for 54.5% of operating capacity, with nuclear second at 15.9%. The largest operating plant in the catalog is Chalk Point Generating Station (1,868 MW, recorded start year 1975).
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: .
Maryland 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 Maryland
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Newest plants in Maryland
This table includes 2 of the 11 operating plants with a recorded start year of 2019, 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 Maryland get its electricity?
Across the 101 operating plants in the catalog, capacity is led by natural gas at 54.5%, then nuclear at 15.9%. These are installed-capacity shares, not live generation.
What is the largest power plant in Maryland?
The largest operating plant in the catalog for Maryland is Chalk Point Generating Station, a natural gas facility with 1,868 MW and a recorded start year of 1975.
How many power plants are in Maryland?
The catalog tracks 101 operating power plants in Maryland, with 11,509 MW in all. It also marks 3 plants as Retired, with 754 MW of capacity.