?
Days of continuous operation since the last outage ended. Has forced outage(s) since last refueling.
200
Current Run
days
?
Longest recorded period of continuous operation between outages (2008-04-18 to 2009-10-08).
538
Record Run
days
?
Breaker-to-Breaker: times this unit ran from one refueling outage to the next with zero forced outages or scrams in between.
7
B2B Runs
?
Lifetime capacity factor: average power level across all recorded days (100% = always at full power).
92.3%
Capacity Factor
?
Total number of scheduled refueling outages detected in the historical data.
18
Outages
since 1999
?
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
?
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 |
|---|---|---|---|---|---|---|
|
Scram
# 57929
|
2025-09-15 | 2025-09-17 | 3 | 300d | - | - |
|
Scheduled
|
2024-10-21 | 2024-11-19 | 30 | 214d | 2024-10-14 | +7d |
|
Scram
# 57033
|
2024-03-18 | 2024-03-21 | 4 | 4d | - | - |
|
Scram
# 57024
|
2024-03-13 | 2024-03-14 | 2 | 292d | - | - |
|
Scheduled
|
2023-04-24 | 2023-05-26 | 33 | 526d | 2023-04-23 | +1d |
|
Scheduled
|
2021-10-04 | 2021-11-14 | 42 | 108d | 2021-10-18 | -14d |
|
Scram
# 55295
|
2021-06-08 | 2021-06-18 | 11 | 392d | - | - |
|
Scheduled
|
2020-04-20 | 2020-05-12 | 23 | 109d | 2020-04-19 | +1d |
|
Scram
# 54460
|
2020-01-02 | 2020-01-02 | 1 | 349d | - | - |
|
Unscheduled
|
2019-01-16 | 2019-01-18 | 3 | 2d | - | - |
|
Scheduled
|
2018-12-09 | 2019-01-14 | 37 | 116d | 2018-10-02 (Model) | +68d (Model) |
|
Scram
# 53550
|
2018-08-14 | 2018-08-15 | 2 | 258d | - | - |
|
Scram
# 53091
|
2017-11-26 | 2017-11-29 | 4 | 83d | - | - |
|
Scram
# 52945
|
2017-09-02 | 2017-09-04 | 3 | 23d | - | - |
|
Unscheduled
|
2017-06-06 | 2017-08-10 | 66 | 32d | - | - |
|
Scheduled
|
2017-04-03 | 2017-05-05 | 33 | 509d | 2017-04-01 | +2d |
|
Scheduled
|
2015-10-04 | 2015-11-11 | 39 | 526d | 2015-09-15 | +19d |
|
Scheduled
|
2014-03-30 | 2014-04-26 | 28 | 147d | 2014-03-29 | +1d |
|
Scram
# 49497
|
2013-11-02 | 2013-11-03 | 2 | 366d | - | - |
|
Scheduled
|
2012-10-07 | 2012-11-01 | 26 | 186d | 2012-10-01 | +6d |
|
Unscheduled
|
2012-04-02 | 2012-04-04 | 3 | 316d | - | - |
|
Scram
# 46863
|
2011-05-20 | 2011-05-22 | 3 | 25d | - | - |
|
Scheduled
|
2011-04-03 | 2011-04-25 | 23 | 518d | 2011-04-02 | +1d |
|
Unscheduled
|
2009-10-31 | 2009-11-01 | 2 | 2d | - | - |
|
Scheduled
|
2009-10-08 | 2009-10-29 | 22 | 538d | 2009-10-03 | +5d |
|
Scheduled
|
2008-03-30 | 2008-04-18 | 20 | 13d | 2008-03-29 | +1d |
|
Unscheduled
|
2008-03-17 | 2008-03-17 | 1 | 504d | - | - |
|
Unscheduled
|
2006-10-30 | 2006-10-30 | 1 | 5d | - | - |
|
Scheduled
|
2006-10-08 | 2006-10-25 | 18 | 529d | 2006-10-07 | +1d |
|
Scheduled
|
2005-03-27 | 2005-04-27 | 32 | 458d | 2005-03-26 | +1d |
|
Unscheduled
|
2003-12-23 | 2003-12-25 | 3 | 56d | - | - |
|
Scheduled
|
2003-10-05 | 2003-10-28 | 24 | 72d | 2003-10-05 | 0d |
|
Unscheduled
|
2003-07-09 | 2003-07-25 | 17 | 42d | - | - |
|
Unscheduled
|
2003-05-15 | 2003-05-28 | 14 | 342d | - | - |
|
Unscheduled
|
2002-06-07 | 2002-06-07 | 1 | 35d | - | - |
|
Scheduled
|
2002-03-31 | 2002-05-03 | 34 | 512d | 2002-03-31 | 0d |
|
Scheduled
|
2000-10-01 | 2000-11-04 | 35 | 529d | 2000-10-01 | 0d |
|
Scheduled
|
1999-03-20 | 1999-04-21 | 33 | 75d | 1999-03-20 | 0d |
|
Unscheduled
|
1999-01-04 | 1999-01-04 | 1 | - | - | - |
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