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Arkansas Nuclear One 1 - Plant Information & Status

Detailed technical specifications, licensing info, and upcoming refueling outage schedules for the Arkansas Nuclear One 1 nuclear power facility.

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Arkansas Nuclear One 1 Lifecycle: Commissioned Reactor: ONLINE

Entergy Nuclear Operations, Inc. · Arkansas Nuclear
ETR
Jobs ( AR)
Forum
Books
ANO from air
ANO from air

Contact Information

Address: 1448 State Route 333
Russellville, AR 72802
Phone: (501) 858-5000
Website: http://www.entergy-nuclear.com/

Technical Specifications

Reactor Type: PWR ( PWR-DRYAMB)
Net Output: 833 MWe
Thermal Power: 2568 MWt
Efficiency: 32.44%

Licensing & Regulatory Details

Docket #: 05000313
License #: DPR-51 ( OL-FP)
Construction Permit: 1968-12-06
Operating License: 1974-05-21
License Renewed: 2001-06-20
Commercial Ops: 1974-12-19
Expiration Date: 2034-05-20

Site History & Construction

NSS Supplier: B&W LLP
Constructor: BECH
Architect Engineer: BECH

Current Reactor Status (NRC Data)

100%
ONLINE
Report Date:
March 10, 2026
Lifecycle: Commissioned | Reactor: ONLINE
Recent Power History
Date Power Level Visual
Mar 10 100%
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%

Facility Statistics

Lifecycle & Tenure
Op. Age: 51.2 Yrs
Build Time: 6 Yrs
Lic. Remain: 8.2 Yrs
Production & Power
Lifetime CF: 88.3%
Efficiency: 32.4%
Generated: 175.1 TWh
Reliability & Outages
Record Run: 573 Days
Refuelings (Since '99): 18