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D.C. Cook 1 - Plant Information & Status

Detailed technical specifications, licensing info, and upcoming refueling outage schedules for the D.C. Cook 1 nuclear power facility.

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D.C. Cook 1 Lifecycle: Commissioned Reactor: ONLINE

Indiana Michigan Power Company · D. C. Cook

Contact Information

Address: 1 Cook Place
Bridgeman, MI 49106
Phone: (269) 465-5901

Technical Specifications

Reactor Type: PWR ( PWR-ICECND)
Net Output: 1009 MWe
Thermal Power: 3304 MWt
Efficiency: 30.54%

Licensing & Regulatory Details

Docket #: 05000315
License #: DPR-58 ( OL-FP)
Construction Permit: 1969-03-25
Operating License: 1974-10-25
License Renewed: 2005-08-30
Commercial Ops: 1975-08-28
Expiration Date: 2034-10-25

Site History & Construction

NSS Supplier: WEST 4LP
Constructor: AEP
Architect Engineer: AEP

Current Reactor Status (NRC Data)

100%
ONLINE
Report Date:
March 20, 2026
Lifecycle: Commissioned | Reactor: ONLINE
Recent Power History
Date Power Level Visual
Mar 20 100%
Mar 19 100%
Mar 18 100%
Mar 17 100%
Mar 16 100%
Mar 13 100%
Mar 12 100%
Mar 11 100%
Mar 10 100%
Mar 9 100%
Mar 6 100%
Mar 5 100%
Mar 4 100%
Mar 3 100%

Upcoming Outage

Start Date Duration
2026-10-10 30 Days

Facility Statistics

Lifecycle & Tenure
Op. Age: 50.6 Yrs
Build Time: 6.4 Yrs
Lic. Remain: 8.6 Yrs
Production & Power
Lifetime CF: 78.1%
Efficiency: 30.5%
Generated: 187.8 TWh
Reliability & Outages
Record Run: 673 Days
Refuelings (Since '99): 16
Prediction Acc: 67%