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Sequoyah 1 - Plant Information & Status

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

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Sequoyah 1 Lifecycle: Commissioned Reactor: ONLINE

Tennessee Valley Authority · Sequoyah
Sequoyah Sign
Sequoyah Sign

Contact Information

Address: 2600 Igou Ferry Road
Soddy-Daisy, TN 37379
Phone: (423) 843-6000

Technical Specifications

Reactor Type: PWR ( PWR-ICECND)
Net Output: 1152 MWe
Thermal Power: 3455 MWt
Efficiency: 33.34%

Licensing & Regulatory Details

Docket #: 05000327
License #: DPR-77 ( OL-FP)
Construction Permit: 1970-05-27
Operating License: 1980-09-17
License Renewed: 2015-09-24
Commercial Ops: 1981-07-01
Expiration Date: 2040-09-17

Site History & Construction

NSS Supplier: WEST 4LP
Constructor: TVA
Architect Engineer: TVA

Current Reactor Status (NRC Data)

100%
ONLINE
Report Date:
March 20, 2026
Lifecycle: Commissioned | Reactor: ONLINE
Recent Power History
Date Power Level Visual
Mar 20 100%
Mar 19 100%
Mar 18 100%
Mar 17 100%
Mar 16 100%
Mar 13 100%
Mar 12 100%
Mar 11 100%
Mar 10 100%
Mar 9 100%
Mar 6 100%
Mar 5 100%
Mar 4 100%
Mar 3 100%

Facility Statistics

Lifecycle & Tenure
Op. Age: 44.7 Yrs
Build Time: 11.1 Yrs
Lic. Remain: 14.5 Yrs
Production & Power
Lifetime CF: 89.3%
Efficiency: 33.3%
Generated: 245.2 TWh
Reliability & Outages
Record Run: 584 Days
Refuelings (Since '99): 18
Prediction Acc: 67%