Calvert Cliffs Nuclear Power Plant

OperatingNuclear

Ranked #1 of 1 Nuclear plants in MD#28 of 57 nationally

1850.4 MW Nuclear operating in Calvert, MD — PJM Interconnection, LLC

EIAGEMWD

1,850.4 MW

Nameplate Capacity

Generators

units

Nuclear

Technology

1975

Operating Since

Location

Coordinates

38.4344, -76.4417

County

Calvert, MD

Nearby Plants

Chalk Point Power
Natural Gas1825 MW · 24.5 km
NRG Chalk Point CT
Distillate Oil94 MW · 25.3 km

Ownership & Operator

Owner data does not fully agree across sources.

EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.

Field	EIA	GEM	Wikidata
Operator	Constellation Nuclear	Exelon Generation	Constellation Energy
Owner(s)	Constellation Nuclear	Exelon	—
Status	Operating	operating	—

Ownership Chain

About

The Calvert Cliffs Nuclear Power Plant (CCNPP) is a nuclear power plant located on the western shore of the Chesapeake Bay near Lusby, Calvert County, Maryland, in the Mid-Atlantic United States. It is the only nuclear power plant in the state of Maryland.

Read more on Wikipedia

Calvert Cliffs Nuclear Power Plant is located in Calvert County, Maryland. The plant, owned by Exelon and operated by Constellation Nuclear, has a total capacity of 1850.4 MW across two nuclear reactors. It began operating in 1975 and is the only nuclear power plant in the state of Maryland.

The plant's latest annual generation was 14,795,150 MWh, achieving a capacity factor of 91.3%. Calvert Cliffs is the largest power plant in Maryland and ranks 27th out of 55 nuclear plants nationally. The plant is located within the PJM Interconnection, LLC balancing authority and the RFC NERC region.

Generated from EIA, GEM, and public data sources