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Watts Bar 1 - Plant Information & Status

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

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Current Reactor Status

Capacity Factor (365-Day)

100%
Current
89.3%
365-Day Avg
#67
of 94 plants
Min: 0% Max: 100% 40 days <80%

Ratings

Watts Bar
Above Average
23 (44%)
Average
16 (30%)
Below Average
13 (25%)
Total Members Voted: 18

Facility Statistics

Lifecycle & Tenure
Operating Age: 29.9 Yrs
Build Time: 23.3 Yrs
Lic. Remaining: 9.6 Yrs
Production & Power
Lifetime CF: 88.5%
Efficiency: 32.5%
Generated: 237.1 TWh
Reliability & Outages
Record Run: 1,100 Days
Refuelings: 17

Scram History 13 events since 2011

13
Total
6
Automatic
7
Manual
4.2
Avg Recovery (days)
Recent Events
2025-01-16 Auto AUTOMATIC REACTOR TRIP The following information was provide...
2024-07-07 Auto AUTOMATIC REACTOR TRIP The following information was provide...
2020-02-18 Manual MANUAL REACTOR TRIP DUE TO LOSS OF CONTROL OF STEAM "At 0936...
2019-08-30 Manual MANUAL TRIP DUE TO LOSS OF STEAM GENERATOR LEVEL CONTROL "Wh...
2018-10-26 Manual MANUAL REACTOR TRIP FOLLOWING STARTUP"On October 27, 2018, a...
2017-05-03 Manual MANUAL REACTOR TRIP DUE TO FAILED REACTOR COOLANT PUMP POWER...
2017-05-01 Manual MANUAL REACTOR TRIP DUE TO FAILED REACTOR COOLANT PUMP POWER...
2016-03-21 Auto WATTS BAR AUTOMATIC REACTOR TRIP "On March 22, 2016, at 1131...
+5 more events

Ownership & Construction

Architect Engineer: TVA
Constructor: TVA

Technical Specs

Reactor Type: PWR
Containment: PWR-ICECND
NSS Supplier: WEST 4LP
Thermal Power: 3459 MWt
Net Capacity: 1123 MWe
Efficiency: 32.5%
Status: Operating

Licensing

Docket #: 05000390
License #: NPF-90
License Type: OL
Const. Permit: 1973-01-23
Operating Lic: 1996-02-07
Commercial Op: 1996-05-27
License Renewed: N/A
License Exp: 2035-11-09

Facility Map

35.6021, -84.7859

Location & Contact

Address:
1260 Nuclear Plant Road
Spring City, TN 37381, USA
Get Directions
Phone: (423) 365-8100

Per Diem Data

Photos