?
Days of continuous operation since the last outage ended. Clean run (no forced outages since last refueling).
13
Current Run
days ✔
?
Longest recorded period of continuous operation between outages (2011-04-04 to 2012-09-16).
531
Record Run
days
?
Breaker-to-Breaker runs — continuous operation exceeding the cycle-adjusted threshold (460 days for this 18-month cycle unit) with no trips to 0% power.
12
B2B Runs
?
Lifetime capacity factor: average power level across all recorded days (100% = always at full power).
91.6%
Capacity Factor
?
Total number of scheduled refueling outages detected in the historical data.
23
Outages
since 1999
?
Average time from first power generation (>0%) to sustained full power (≥95% for 2+ days) across the last 3 scheduled outages.
6
Avg Startup
days (last 3)
?
Duration of each outage in days, shown chronologically. Green bars are scheduled refueling outages, red bars are forced/unscheduled. The orange dashed line marks the average duration. Extended outages (>180 days) and D&D periods are excluded.
Outage Duration Trend
?
Days between consecutive scheduled refueling outage starts, showing operating cycle regularity. The purple dashed line marks the average cycle length. Most U.S. reactors operate on 18-month (547 day) or 24-month (730 day) cycles.
Cycle Length History
?
Time in days from first power generation (>0%) to sustained full power (≥95% for 2+ consecutive days) after each scheduled refueling outage. The dashed line marks the average. Includes startup testing holds and power dips.
Startup Duration Trend
?
Monthly capacity factor with outage events overlaid as red bands. Green bars show average power level per month. Toggle to Daily view for raw daily data.
Power History
| Type ⇅ | Actual Start ⇅ | Actual End ⇅ | Duration ⇅ | Days Online ⇅ | Scheduled | Delta |
|---|---|---|---|---|---|---|
|
Scheduled
|
2026-03-22 | 2026-04-18 | 28 | 157d | 2026-03-21 | +1d |
|
Scram
# 57977
|
2025-10-10 | 2025-10-16 | 7 | 384d | - | - |
|
Scheduled
|
2024-09-01 | 2024-09-21 | 21 | 517d | 2024-09-01 | 0d |
|
Scheduled
|
2023-02-18 | 2023-04-03 | 45 | 362d | 2023-02-18 | 0d |
|
Scram
# 55748
|
2022-02-19 | 2022-02-21 | 3 | 132d | - | - |
|
Scheduled
|
2021-09-11 | 2021-10-10 | 30 | 516d | 2021-09-11 | 0d |
|
Scheduled
|
2020-03-21 | 2020-04-13 | 24 | 526d | 2020-03-14 | +7d |
|
Scheduled
|
2018-09-15 | 2018-10-12 | 28 | 511d | 2018-09-15 | 0d |
|
Scheduled
|
2017-03-30 | 2017-04-22 | 24 | 22d | 2017-03-30 | 0d |
|
Unscheduled
|
2017-02-24 | 2017-03-08 | 13 | 504d | - | - |
|
Scheduled
|
2015-09-13 | 2015-10-09 | 27 | 508d | 2015-09-12 | +1d |
|
Scheduled
|
2014-03-22 | 2014-04-23 | 33 | 477d | 2014-03-22 | 0d |
|
Unscheduled
|
2012-11-28 | 2012-11-30 | 3 | 6d | - | - |
|
Scheduled
|
2012-09-16 | 2012-11-22 | 68 | 531d | 2012-09-15 | +1d |
|
Scheduled
|
2011-02-27 | 2011-04-04 | 37 | 33d | 2011-03-05 | -6d |
|
Scheduled
|
2011-01-21 | 2011-01-25 | 5 | 468d | 2011-03-05 | -43d |
|
Scheduled
|
2009-09-06 | 2009-10-10 | 35 | 508d | 2009-09-05 | +1d |
|
Scheduled
|
2008-04-14 | 2008-04-16 | 3 | 2d | 2008-03-01 | +44d |
|
Scheduled
|
2008-03-02 | 2008-04-12 | 42 | 479d | 2008-03-01 | +1d |
|
Scheduled
|
2006-09-17 | 2006-11-09 | 54 | 515d | 2006-09-16 | +1d |
|
Scheduled
|
2005-04-18 | 2005-04-20 | 3 | 2d | 2005-03-01 | +48d |
|
Scheduled
|
2005-04-15 | 2005-04-16 | 2 | 2d | 2005-03-01 | +45d |
|
Scheduled
|
2005-03-02 | 2005-04-13 | 43 | 514d | 2005-03-01 | +1d |
|
Scheduled
|
2003-09-06 | 2003-10-05 | 30 | 378d | 2003-09-06 | 0d |
|
Unscheduled
|
2002-08-23 | 2002-08-24 | 2 | 150d | - | - |
|
Scheduled
|
2002-02-23 | 2002-03-26 | 32 | 220d | 2002-02-23 | 0d |
|
Unscheduled
|
2001-07-17 | 2001-07-18 | 2 | 243d | - | - |
|
Unscheduled
|
2000-11-16 | 2000-11-16 | 1 | 35d | - | - |
|
Scheduled
|
2000-09-02 | 2000-10-12 | 41 | 414d | 2000-09-02 | 0d |
|
Unscheduled
|
1999-07-16 | 1999-07-16 | 1 | 93d | - | - |
|
Scheduled
|
1999-03-13 | 1999-04-14 | 33 | - | 1999-03-13 | 0d |
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