REACTORS · TVA

Sequoyah 1

PWR Tennessee Valley Authority TN · Sequoyah

100.0% FULL · 0 MW offline
Tennessee Valley Authority1,152 MW mapped capacityPWR

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100.0%
0
252
100.0%

Next Outage INDIVIDUAL

See when this unit comes off the grid next

Projected start date · duration · probability band · confidence on every date.

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Cycle evidenceObserved run length and prior refuel spacingWindowProbability range rather than an operator scheduleSource disciplineCurrent status remains observed NRC data

Operational Excellence INDIVIDUAL

Compare this reactor with its operating peers

Operating record · full-outage exposure · breaker-to-breaker streaks.

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Operating recordLong-run observed generation performanceFull outagesEpisode counts and duration contextRun lengthBreaker-to-breaker evidence from stored history

Operating Timeline · power %

025507510098% FULL2026-07-22 · 100.0%2026-07-23 · 100.0%2026-07-24 · 100.0%2026-07-25 · 100.0%2026-07-26 · 100.0%2026-07-27 · 100.0%2026-07-28 · 100.0%2026-07-29 · 100.0%2026-07-30 · 100.0%2026-07-31 · 100.0%2026-08-01 · 100.0%2026-08-02 · 100.0%2026-08-03 · 100.0%2026-08-04 · 100.0%2026-08-05 · 100.0%2026-08-06 · 100.0%2026-08-07 · 100.0%2026-08-08 · 100.0%2026-08-09 · 100.0%2026-08-10 · 100.0%2026-08-11 · 100.0%2026-08-12 · 100.0%2026-08-13 · 100.0%2026-08-14 · 100.0%2026-08-15 · 100.0%2026-08-16 · 100.0%2026-08-17 · 100.0%2026-08-18 · 100.0%2026-08-19 · 100.0%2026-08-20 · 100.0%2026-08-21 · 100.0%2026-08-22 · 100.0%2026-08-23 · 100.0%2026-08-24 · 100.0%2026-08-25 · 100.0%2026-08-26 · 100.0%2026-08-27 · 100.0%2026-08-28 · 100.0%2026-08-29 · 100.0%2026-08-30 · 100.0%2026-08-31 · 100.0%2026-09-01 · 100.0%2026-09-02 · 100.0%2026-09-03 · 100.0%2026-09-04 · 100.0%2026-09-05 · 100.0%2026-09-06 · 100.0%2026-09-07 · 100.0%2026-09-08 · 100.0%2026-09-09 · 100.0%2026-09-10 · 100.0%2026-09-11 · 100.0%2026-09-12 · 100.0%2026-09-13 · 100.0%2026-09-14 · 100.0%2026-09-15 · 100.0%2026-09-16 · 100.0%2026-09-17 · 100.0%2026-09-18 · 100.0%2026-09-19 · 100.0%2026-09-20 · 100.0%2026-09-21 · 100.0%2026-09-22 · 100.0%2026-09-23 · 100.0%2026-09-24 · 100.0%2026-09-25 · 100.0%2026-09-26 · 100.0%2026-09-27 · 100.0%2026-09-28 · 100.0%2026-09-29 · 100.0%2026-09-30 · 100.0%2026-10-01 · 100.0%2026-10-02 · 100.0%2026-10-03 · 100.0%2026-10-04 · 100.0%2026-10-05 · 100.0%2026-10-06 · 100.0%2026-10-07 · 100.0%2026-10-08 · 100.0%2026-10-09 · 100.0%2026-10-10 · 100.0%2026-10-11 · 100.0%2026-10-12 · 100.0%2026-10-13 · 100.0%2026-10-14 · 100.0%2026-10-15 · 100.0%2026-10-16 · 100.0%2026-10-17 · 100.0%2026-10-18 · 100.0%2026-10-19 · 100.0%JulAugSepOctOct

Outage Record

TypeStartEndDurationMin powerMax MW offline

Episode rows are derived from stored NRC power-state transitions; missing publication days are not interpolated.

If It Trips · derived MW offline PRO

🔒 Pro unlocks the five-year zero-power record, full-outage and scram-labelled trip values.Unlock

Breaker-to-Breaker Streak INDIVIDUAL

🔒 Individual unlocks the breaker-to-breaker run value.Unlock

Full Outages INDIVIDUAL

🔒 Individual unlocks the full-outage and scram-labelled trip counts.Unlock

NRC Events 7 DAYS

No linked NRC Event Notifications in this access window.

Plant Record NRC and mapped fleet reference

1981-07-01
2040-09-17
2015-09-24
WEST 4LP
3455 MWt
05000327
TVA
TVA

Plant-reference fields are shown only when a mapped NRC or fleet record is available; unknown fields display —.

NRC docket and licence fields retain source values.Engineering-party fields are never inferred when absent.

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