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Seabrook 1 - Plant Information & Status

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

Capacity Factor (365-Day)

98%
Current
100%
365-Day Avg
#7
of 94 plants
Min: 97% Max: 100% 0 days <80%

Ratings

Seabrook
Above Average
22 (64%)
Average
10 (29%)
Below Average
2 (5%)
Total Members Voted: 13

Facility Statistics

Lifecycle & Tenure
Operating Age: 35.6 Yrs
Build Time: 14.1 Yrs
Lic. Remaining: 23.9 Yrs
Production & Power
Lifetime CF: 90.6%
Efficiency: 34.3%
Generated: 270.5 TWh
Reliability & Outages
Record Run: 528 Days
Refuelings: 18

Scram History 9 events since 2011

9
Total
4
Automatic
5
Manual
11.3
Avg Recovery (days)
Recent Events
2024-11-18 Manual EN Revision Imported Date: 11/20/2024 EN Revision Text: MANU...
2023-07-29 Manual MANUAL REACTOR TRIP DUE TO LOW MAIN TURBINE ELECTRO-HYDRAULI...
2020-06-05 Manual MANUAL REACTOR TRIP WHEN GROUP ONE, BANK 'B' CONTROL RODS IN...
2020-05-28 Manual MANUAL TRIP DUE TO ROD BANK UNEXPECTEDLY INSERTING "At 1403 ...
2017-04-28 Manual MANUAL REACTOR TRIP DUE TO STEAM GENERATOR HI-HI LEVEL SIGNA...
2016-03-01 Auto TURBINE TRIP CAUSING A REACTOR TRIP "The turbine tripped for...
2014-03-31 Auto AUTOMATIC REACTOR TRIP DUE TO ELECTRICAL ISSUE "At 0026 on 0...
2012-09-13 Auto AUTOMATIC REACTOR TRIP DUE TO LOW STEAM GENERATOR WATER LEVE...
+1 more events

Ownership & Construction

Owner/Operator: NextEra Energy
Architect Engineer: UE&C
Constructor: UE&C

Technical Specs

Reactor Type: PWR
Containment: PWR-DRYAMB
NSS Supplier: WEST 4LP
Thermal Power: 3648 MWt
Net Capacity: 1250 MWe
Efficiency: 34.3%
Status: Operating

Licensing

Docket #: 05000443
License #: NPF-86
License Type: OL-FP
Const. Permit: 1976-07-07
Operating Lic: 1990-03-15
Commercial Op: 1990-08-19
License Renewed: 2019-03-12
License Exp: 2050-03-15

Facility Map

42.899, -70.8509

Location & Contact

Address:
626 Lafayette Road
Seabrook, NH 03874, USA
Get Directions
Phone: (516) 929-8300