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Grand Gulf 1 - Plant Information & Status

Detailed technical specifications, licensing info, and upcoming refueling outage schedules for the Grand Gulf 1 nuclear power facility.

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Grand Gulf 1 Lifecycle: Commissioned Reactor: OFFLINE

Entergy Nuclear Operations, Inc. · Grand Gulf
Grand Gulf PCM2
Grand Gulf PCM2

Contact Information

Address: 7003 Bald Hill Road
Port Gibson, MS 39150
Phone: (601) 437-2800

Technical Specifications

Reactor Type: BWR ( BWR-MARK 3)
Net Output: 1401 MWe
Thermal Power: 4408 MWt
Efficiency: 31.78%

Licensing & Regulatory Details

Docket #: 05000416
License #: NPF-29 ( OL-FP)
Construction Permit: 1974-09-04
Operating License: 1984-11-01
License Renewed: 2016-12-01
Commercial Ops: 1985-07-01
Expiration Date: 2044-11-01

Site History & Construction

NSS Supplier: GE 6
Constructor: BECH
Architect Engineer: BECH

Current Reactor Status (NRC Data)

0%
OFFLINE
Report Date:
March 20, 2026
Lifecycle: Commissioned | Reactor: OFFLINE
Recent Power History
Date Power Level Visual
Mar 20 0%
Mar 19 0%
Mar 18 0%
Mar 17 0%
Mar 16 0%
Mar 13 0%
Mar 12 0%
Mar 11 0%
Mar 10 0%
Mar 9 0%
Mar 6 0%
Mar 5 0%
Mar 4 0%
Mar 3 0%

Facility Statistics

Lifecycle & Tenure
Op. Age: 40.7 Yrs
Build Time: 10.8 Yrs
Lic. Remain: 18.6 Yrs
Production & Power
Lifetime CF: 83.4%
Efficiency: 31.8%
Generated: 278.4 TWh
Reliability & Outages
Record Run: 742 Days
Refuelings (Since '99): 15
Prediction Acc: 67%