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Calvert Cliffs 1 Lifecycle: Commissioned Reactor: OFFLINE

Constellation Energy Corporation · Calvert Cliffs
EXC
Jobs ( MD)
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Calvert Cliffs Nuclear Power Plant
Calvert Cliffs Nuclear Power Plant

Contact Information

Address: 1650 Calvert Cliffs Parkway
Lusby, MD 20657
Phone: (410) 495-4600
Website: http://www.exeloncorp.com

Technical Specifications

Reactor Type: PWR ( PWR-DRYAMB)
Net Output: 866 MWe
Thermal Power: 2737 MWt
Efficiency: 31.64%

Licensing & Regulatory Details

Docket #: 05000317
License #: DPR-53 ( OL-FP)
Construction Permit: 1969-07-07
Operating License: 1974-07-31
License Renewed: 2000-03-23
Commercial Ops: 1975-05-08
Expiration Date: 2034-07-31

Site History & Construction

NSS Supplier: COMB CE
Constructor: BECH
Architect Engineer: BECH

Current Reactor Status (NRC Data)

0%
OFFLINE
Report Date:
March 9, 2026
Lifecycle: Commissioned | Reactor: OFFLINE
Recent Power History
Date Power Level Visual
Mar 9 0%
Mar 6 0%
Mar 5 0%
Mar 4 0%
Mar 3 0%
Mar 2 0%
Mar 1 0%
Feb 28 0%
Feb 27 0%
Feb 26 0%
Feb 25 0%
Feb 24 0%
Feb 23 0%
Feb 22 0%

Facility Statistics

Lifecycle & Tenure
Op. Age: 50.8 Yrs
Build Time: 5.8 Yrs
Lic. Remain: 8.4 Yrs
Production & Power
Lifetime CF: 93.1%
Efficiency: 31.6%
Generated: 191.9 TWh
Reliability & Outages
Record Run: 716 Days
Refuelings (Since '99): 14