United States United States · 38.434, -76.442

Calvert Cliffs

Calvert Cliffs, nuclear power plant in United States, operates 2 pressurized water reactors with 1,732 MW net installed capacity and has been in service since 1977.

Unit Calvert Cliffs 2 has been operating for 49 years, since 1977. Its 1,732 MW net are enough to supply about 5,460,000 households.

Country
United States
Units
2
Technology
PWR
Net capacity
1,732 MWe
First grid connection
1977
Operator
Exelon Generation
Owner
Exelon Corp
Status
Operating
Operating capacity
1,732 MWe
net electrical
Units
2
2 operating
First start-up
1977
Calvert Cliffs
Photo: Wikimedia Commons · author and license

Units

UnitTypeModelStatusMWeMWtConstruction startGrid connectionClosureLicence untilLoad factor
Calvert Cliffs 1Pressurized water (PWR)Combustion Engineering 2-loop (CE 2LP)Operating8772,737Jun 1, 1968Jan 3, 1975—Jul 31, 203495.8 % (2024)
Calvert Cliffs 2Pressurized water (PWR)Combustion Engineering 2-loop (CE 2LP)Operating8552,737Jun 1, 1968Dec 7, 1976—Aug 13, 203697.8 % (2024)

Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026

Calvert Cliffs 1, an 877 MWe PWR (Combustion Engineering 2-loop (CE 2LP)), started construction in 1968, was connected to the grid in 1975 and is still operating, with a 95.8% load factor in 2024.

Calvert Cliffs 2, an 855 MWe PWR (Combustion Engineering 2-loop (CE 2LP)), started construction in 1968, was connected to the grid in 1976 and is still operating, with a 97.8% load factor in 2024.

Operator: Exelon Generation.

Owner: Exelon Corp (Calvert Cliffs 1, Calvert Cliffs 2).

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