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Grand Gulf 1 - Plant Information & Status

Technical specifications, contact data, ratings, and licensing history for the Grand Gulf facility.

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Current Reactor Status

Capacity Factor (365-Day)

66%
Current
86.1%
365-Day Avg
#80
of 94 plants
Min: 0% Max: 100% 55 days <80%

Ratings

Grand Gulf
Above Average
13 (23%)
Average
17 (30%)
Below Average
25 (45%)
Total Members Voted: 22

Facility Statistics

Lifecycle & Tenure
Operating Age: 40.8 Yrs
Build Time: 10.8 Yrs
Lic. Remaining: 18.6 Yrs
Production & Power
Lifetime CF: 83.3%
Efficiency: 31.8%
Generated: 278.6 TWh
Reliability & Outages
Record Run: 742 Days
Refuelings: 15

Scram History 29 events since 2011

29
Total
15
Automatic
14
Manual
11.2
Avg Recovery (days)
Recent Events
2025-06-16 Manual MANUAL REACTOR SCRAM The following information was provided ...
2025-02-14 Manual MANUAL REACTOR SCRAM DUE TO DEGRADING CONDENSER VACUUM The f...
2024-11-09 Manual MANUAL REACTOR SCRAM The following information was provided ...
2023-12-15 Auto EN Revision Imported Date: 12/18/2023 EN Revision Text: AUTO...
2022-12-18 Manual MANUAL SCRAM DUE TO LOSS OF FEEDWATER PUMP The following inf...
2022-06-29 Manual EN Revision Imported Date: 7/1/2022 EN Revision Text: MANUAL...
2020-12-10 Auto AUTOMATIC REACTOR SCRAM DUE TO MAIN TURBINE / GENERATOR TRIP...
2020-11-05 Auto AUTOMATIC REACTOR SCRAM DUE TO TURBINE/GENERATOR TRIP "On No...
+21 more events

Ownership & Construction

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

Technical Specs

Reactor Type: BWR
Containment: BWR-MARK 3
NSS Supplier: GE 6
Thermal Power: 4408 MWt
Net Capacity: 1401 MWe
Efficiency: 31.8%
Status: Operating

Licensing

Docket #: 05000416
License #: NPF-29
License Type: OL-FP
Const. Permit: 1974-09-04
Operating Lic: 1984-11-01
Commercial Op: 1985-07-01
License Renewed: 2016-12-01
License Exp: 2044-11-01

Facility Map

32.0083, -91.0492

Location & Contact

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

Per Diem Data

Photos