CALVERT CLIFFS NUCLEAR POWER PLANT

How CALVERT CLIFFS NUCLEAR POWER PLANT compares

With 1,829 MW of capacity, CALVERT CLIFFS NUCLEAR POWER PLANT ranks 2nd among the 48 operating power plants Bywatts maps in Maryland. It accounts for about 17% of all operating capacity in Maryland. Nationally it is the 28th-largest of the 55 operating Nuclear plants in the database. Commissioned in 1975, it is older than 73% of the 46 operating Maryland plants with a recorded commissioning year.

EIA-860 lists 2 generators at the site with 1,850 MW of nameplate capacity, all nuclear technology. Net generation was 14,724 GWh in 2024 (a 91% capacity factor), down 1% from 2022. Its generators came online between 1975 and 1977.

Grid neighborhood

The nearest named substation is CALVERT CLIFFS (500 kV), about 0.2 miles away; the closest transmission line found within 10 miles is a 500 kV line owned by BALTIMORE GAS & ELECTRIC CO, under 0.1 miles away. Another 2 operating power plants totaling 2,653 MW sit within 25 miles; the largest is CHALK POINT LLC (2,647 MW, Coal). Within 50 miles is one mapped data center, CoreSite - Washington,DC (DC1) in Washington, about 45.3 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