?
Days of continuous operation since the last outage ended (Started 2026-05-01). Has forced outage(s) since last refueling.
--
Current Run
?
Longest recorded period of continuous operation between outages (2014-04-23 to 2015-10-01).
526
Record Run
days
?
Breaker-to-Breaker runs — continuous operation exceeding the cycle-adjusted threshold (454 days for this 18-month cycle unit) with no trips to 0% power.
10
B2B Runs
?
Lifetime capacity factor: average power level across all recorded days (100% = always at full power).
90.4%
Capacity Factor
?
Total number of scheduled refueling outages detected in the historical data.
22
Outages
since 1999
?
Average time from first power generation (>0%) to sustained full power (≥95% for 2+ days) across the last 3 scheduled outages.
4.3
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
|
2026-04-04 | In Outage | 28+ | 500d | 2026-04-04 | 0d |
|
Scram
# 57432
|
2024-11-20 | 2024-11-20 | 1 | 11d | - | - |
|
Scheduled
|
2024-10-05 | 2024-11-09 | 36 | 428d | 2024-10-05 | 0d |
|
Scram
# 56645
|
2023-07-31 | 2023-08-04 | 5 | 84d | - | - |
|
Scheduled
|
2023-04-01 | 2023-05-08 | 38 | 513d | 2023-04-01 | 0d |
|
Scheduled
|
2021-10-02 | 2021-11-04 | 34 | 479d | 2021-10-01 | +1d |
|
Scram
# 54740
|
2020-06-07 | 2020-06-10 | 4 | 7d | - | - |
|
Scram
# 54731
|
2020-05-29 | 2020-05-31 | 3 | 32d | - | - |
|
Scheduled
|
2020-04-01 | 2020-04-27 | 27 | 522d | 2020-04-01 | 0d |
|
Scheduled
|
2018-10-01 | 2018-10-27 | 27 | 519d | 2018-10-01 | 0d |
|
Scheduled
|
2017-04-01 | 2017-04-30 | 30 | 391d | 2017-04-01 | 0d |
|
Scram
# 51762
|
2016-03-02 | 2016-03-06 | 5 | 110d | - | - |
|
Scheduled
|
2015-10-01 | 2015-11-13 | 44 | 526d | 2015-10-01 | 0d |
|
Scheduled
|
2014-04-01 | 2014-04-23 | 23 | 519d | 2014-04-01 | 0d |
|
Scheduled
|
2012-09-15 | 2012-10-29 | 45 | 324d | 2012-09-17 | -2d |
|
Unscheduled
|
2011-10-20 | 2011-10-27 | 8 | 3d | - | - |
|
Scram
# 47327
|
2011-10-07 | 2011-10-17 | 11 | 138d | - | - |
|
Scheduled
|
2011-04-01 | 2011-05-22 | 52 | 471d | 2011-04-01 | 0d |
|
Unscheduled
|
2009-12-07 | 2009-12-16 | 10 | 28d | - | - |
|
Scheduled
|
2009-10-01 | 2009-11-09 | 40 | 512d | 2009-10-01 | 0d |
|
Scheduled
|
2008-04-01 | 2008-05-07 | 37 | 62d | 2008-04-01 | 0d |
|
Unscheduled
|
2008-01-20 | 2008-01-30 | 11 | 440d | - | - |
|
Scheduled
|
2006-10-01 | 2006-11-06 | 37 | 28d | 2006-09-30 | +1d |
|
Scheduled
|
2006-09-01 | 2006-09-03 | 3 | 489d | 2006-09-30 | -29d |
|
Scheduled
|
2005-04-01 | 2005-04-30 | 30 | 9d | 2005-03-31 | +1d |
|
Scheduled
|
2005-03-23 | 2005-03-23 | 1 | 508d | 2005-03-31 | -8d |
|
Scheduled
|
2003-11-01 | 2003-11-01 | 1 | 7d | 2003-10-04 | +28d |
|
Scheduled
|
2003-10-04 | 2003-10-25 | 22 | 492d | 2003-10-04 | 0d |
|
Scheduled
|
2002-05-04 | 2002-05-30 | 27 | 197d | 2002-05-04 | 0d |
|
Unscheduled
|
2001-10-16 | 2001-10-19 | 4 | 216d | - | - |
|
Unscheduled
|
2001-03-06 | 2001-03-14 | 9 | 38d | - | - |
|
Scheduled
|
2000-10-21 | 2001-01-27 | 99 | 114d | 2000-10-21 | 0d |
|
Unscheduled
|
2000-06-27 | 2000-06-29 | 3 | 169d | - | - |
|
Unscheduled
|
2000-01-10 | 2000-01-10 | 1 | 243d | - | - |
|
Scheduled
|
1999-03-27 | 1999-05-12 | 47 | - | 1999-03-27 | 0d |
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