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Arkansas Nuclear 1 - Plant Information & Status

Technical specifications, contact data, ratings, and licensing history for the Arkansas Nuclear facility.

Capacity Factor (365-Day)

100%
Current
87.7%
365-Day Avg
#75
of 94 plants
Min: 0% Max: 100% 53 days <80%

Ratings

ANO
Above Average
28 (50%)
Average
21 (38%)
Below Average
6 (10%)
Total Members Voted: 20

Facility Statistics

Lifecycle & Tenure
Operating Age: 51.3 Yrs
Build Time: 6 Yrs
Lic. Remaining: 8.1 Yrs
Production & Power
Lifetime CF: 88.3%
Efficiency: 32.4%
Generated: 175.6 TWh
Reliability & Outages
Record Run: 573 Days
Refuelings: 18

Scram History 9 events since 2011

9
Total
5
Automatic
4
Manual
10.6
Avg Recovery (days)
Recent Events
2025-09-23 Auto AUTOMATIC REACTOR TRIP The following information was provide...
2023-02-13 Auto EN Revision Imported Date: 2/15/2023 EN Revision Text: AUTOM...
2021-11-28 Auto EN Revision Imported Date: 12/29/2021 EN Revision Text: AUTO...
2021-03-13 Manual EN Revision Imported Date: 4/13/2021 EN Revision Text: MANUA...
2018-12-17 Auto AUTOMATIC REACTOR TRIP - LOSS OF NON-VITAL BUS"On December 1...
2018-06-15 Manual MANUAL REACTOR TRIP DURING STARTUP "At 1121 CDT on June 16, ...
2018-05-15 Auto AUTOMATIC REACTOR TRIP DUE TO LOSS OF MAIN FEEDWATER PUMP"At...
2017-04-25 Manual UNIT 1 AUTOMATIC REACTOR SCRAM DUE TO PARTIAL LOSS OF OFFSIT...
+1 more events

Ownership & Construction

Owner/Operator: Entergy
Architect Engineer: BECH
Constructor: BECH

Technical Specs

Reactor Type: PWR
Containment: PWR-DRYAMB
NSS Supplier: B&W LLP
Thermal Power: 2568 MWt
Net Capacity: 833 MWe
Efficiency: 32.4%
Status: Operating

Licensing

Docket #: 05000313
License #: DPR-51
License Type: OL-FP
Const. Permit: 1968-12-06
Operating Lic: 1974-05-21
Commercial Op: 1974-12-19
License Renewed: 2001-06-20
License Exp: 2034-05-20

Facility Map

35.3097, -93.2343

Location & Contact

Address:
1448 State Route 333
Russellville, AR 72802, USA
Get Directions
Phone: (501) 858-5000