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Columbia Generating Station Lifecycle: Commissioned Reactor: ONLINE

Energy Northwest · Columbia
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Columbia Generating Station
Columbia Generating Station

Contact Information

Address: North Power Plant Loop Road
Richland, WA 99352
Phone: (509) 372-5000
Website: http://www.energy-northwest.com/

Technical Specifications

Reactor Type: BWR ( BWR-MARK 2)
Net Output: 1163 MWe
Thermal Power: 3544 MWt
Efficiency: 32.82%

Licensing & Regulatory Details

Docket #: 05000397
License #: NPF-21 ( OL-FP)
Construction Permit: 1973-03-19
Operating License: 1984-04-13
License Renewed: 2012-05-22
Commercial Ops: 1984-12-13
Expiration Date: 2043-12-20

Site History & Construction

NSS Supplier: GE 5
Constructor: BECH
Architect Engineer: B&R

Current Reactor Status (NRC Data)

100%
ONLINE
Report Date:
March 9, 2026
Lifecycle: Commissioned | Reactor: ONLINE
Recent Power History
Date Power Level Visual
Mar 9 100%
Mar 6 100%
Mar 5 100%
Mar 4 100%
Mar 3 100%
Mar 2 100%
Mar 1 100%
Feb 28 100%
Feb 27 100%
Feb 26 100%
Feb 25 100%
Feb 24 100%
Feb 23 100%
Feb 22 100%

Facility Statistics

Lifecycle & Tenure
Op. Age: 41.2 Yrs
Build Time: 11.7 Yrs
Lic. Remain: 17.8 Yrs
Production & Power
Lifetime CF: 86.1%
Efficiency: 32.8%
Generated: 238.5 TWh
Reliability & Outages
Record Run: 703 Days
Refuelings (Since '99): 14