CHALK POINT LLC

How CHALK POINT LLC compares

With 2,647 MW of capacity, CHALK POINT LLC is the largest of the 48 operating power plants Bywatts maps in Maryland and the largest of the 4 operating Coal plants in the state. It accounts for about 44% of Maryland's operating Coal capacity and 25% of all operating capacity in the state. Nationally it is the 10th-largest of the 324 operating Coal plants in the database. Commissioned in 1967, it is older than 84% of the 46 operating Maryland plants with a recorded commissioning year. It shares Prince George's County with 6 other operating plants, including PANDA BRANDYWINE LP and UMCP CHP PLANT.

Under the same EIA plant code, EIA-860 lists 8 generators at the site with 1,825 MW of nameplate capacity (this page's HIFLD capacity figure is 2,647 MW). Net generation was 922 GWh in 2024 (a 5.8% capacity factor). Its generators came online between 1967 and 1991.

Grid neighborhood

The nearest named substation is CHALK POINT (500 kV), about 1.3 miles away; the closest transmission line found within 10 miles is a 230 kV line, under 0.1 miles away. Another 5 operating power plants totaling 2,130 MW sit within 25 miles; the largest is CALVERT CLIFFS NUCLEAR POWER PLANT (1,829 MW, Nuclear). Within 50 miles are 6 mapped data centers; the nearest is CoreSite - Washington,DC (DC1) in Washington, about 31.0 miles away.

Computed by Bywatts from HIFLD power plant, substation and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology