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South Texas 1 - Plant Information & Status

Technical specifications, contact data, ratings, and licensing history for the South Texas Project (STP) facility.

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Current Reactor Status

Capacity Factor (365-Day)

0%
Current
95.7%
365-Day Avg
#29
of 94 plants
Min: 0% Max: 100% 16 days <80%

Ratings

South Texas Project
Above Average
19 (47%)
Average
7 (17%)
Below Average
14 (35%)
Total Members Voted: 15

Facility Statistics

Lifecycle & Tenure
Operating Age: 37.6 Yrs
Build Time: 12.7 Yrs
Lic. Remaining: 21.4 Yrs
Production & Power
Lifetime CF: 89.8%
Efficiency: 33.2%
Generated: 274.5 TWh
Reliability & Outages
Record Run: 580 Days
Refuelings: 18

Scram History 5 events since 2011

5
Total
3
Automatic
2
Manual
2.4
Avg Recovery (days)
Recent Events
2024-07-23 Auto EN Revision Imported Date: 7/30/2024 EN Revision Text: NOTIF...
2021-02-14 Auto EN Revision Imported Date: 2/17/2021 EN Revision Text: AUTOM...
2016-04-30 Auto AUTOMATIC REACTOR TRIP DUE TO GENERATOR LOCKOUT "At 2021 [CD...
2016-01-25 Manual MANUAL REACTOR TRIP DUE TO LOSS OF FEEDWATER TO A SINGLE STE...
2015-12-20 Manual MANUAL REACTOR TRIP DUE TO FEEDWATER ISOLATION "At 1519 [CST...

Ownership & Construction

Owner/Operator: STP Nuclear Operating
Architect Engineer: BECH
Constructor: EBSO

Technical Specs

Reactor Type: PWR
Containment: PWR-DRYAMB
NSS Supplier: WEST 4LP
Thermal Power: 3853 MWt
Net Capacity: 1280 MWe
Efficiency: 33.2%
Status: Operating

Licensing

Docket #: 05000498
License #: NPF-76
License Type: OL-FP
Const. Permit: 1975-12-22
Operating Lic: 1988-03-22
Commercial Op: 1988-08-25
License Renewed: 2017-09-28
License Exp: 2047-08-20

Facility Map

28.7961, -96.0562

Location & Contact

Address:
8 miles west of Wadsworth on Farm Road 521
Palacious, TX 77465, USA
Get Directions
Phone: (512) 972-3611

Per Diem Data

Photos