?
Days of continuous operation since the last outage ended. Has forced outage(s) since last refueling.
304
Current Run
days
?
Longest recorded period of continuous operation between outages (2023-03-21 to 2025-03-05).
715
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.
2
B2B Runs
?
Lifetime capacity factor: average power level across all recorded days (100% = always at full power).
90.3%
Capacity Factor
?
Total number of scheduled refueling outages detected in the historical data.
14
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
# 57737
|
2025-05-31 | 2025-06-05 | 6 | 15d | - | - |
|
Scram
# 57705
|
2025-05-13 | 2025-05-16 | 4 | 33d | - | - |
|
Scheduled
|
2025-03-05 | 2025-04-10 | 37 | 715d | 2025-02-28 | +5d |
|
Scheduled
|
2023-02-18 | 2023-03-21 | 32 | 668d | 2023-02-17 | +1d |
|
Scheduled
|
2021-02-27 | 2021-04-21 | 54 | 215d | 2021-02-27 | 0d |
|
Scram
# 54794
|
2020-07-21 | 2020-07-27 | 7 | 40d | - | - |
|
Unscheduled
|
2020-06-06 | 2020-06-11 | 6 | 15d | - | - |
|
Unscheduled
|
2020-05-20 | 2020-05-22 | 3 | 226d | - | - |
|
Unscheduled
|
2019-09-21 | 2019-10-07 | 17 | 165d | - | - |
|
Scheduled
|
2019-03-02 | 2019-04-09 | 39 | 296d | 2019-03-02 | 0d |
|
Unscheduled
|
2018-05-07 | 2018-05-10 | 4 | 403d | - | - |
|
Scheduled
|
2017-02-25 | 2017-03-30 | 34 | 440d | 2017-02-25 | 0d |
|
Unscheduled
|
2015-12-07 | 2015-12-13 | 7 | 242d | - | - |
|
Scheduled
|
2015-03-14 | 2015-04-09 | 27 | 220d | 2015-03-14 | 0d |
|
Unscheduled
|
2014-08-04 | 2014-08-06 | 3 | 457d | - | - |
|
Scheduled
|
2013-03-15 | 2013-05-04 | 51 | 80d | 2013-03-16 | -1d |
|
Scram
# 48623
|
2012-12-23 | 2012-12-25 | 3 | 580d | - | - |
|
Scram
# 46793
|
2011-04-28 | 2011-05-23 | 26 | 23d | - | - |
|
Scram
# 46793
|
2011-04-28 | 2011-05-23 | 26 | 25d | - | - |
|
Scram
# 46793
|
2011-04-28 | 2011-05-23 | 26 | 25d | - | - |
|
Scheduled
|
2011-02-26 | 2011-04-05 | 39 | 260d | 2011-02-28 | -2d |
|
Unscheduled
|
2010-06-10 | 2010-06-11 | 2 | 146d | - | - |
|
Unscheduled
|
2010-01-11 | 2010-01-15 | 5 | 100d | - | - |
|
Unscheduled
|
2009-09-30 | 2009-10-03 | 4 | 102d | - | - |
|
Unscheduled
|
2009-06-17 | 2009-06-20 | 4 | 2d | - | - |
|
Unscheduled
|
2009-06-12 | 2009-06-15 | 4 | 4d | - | - |
|
Scheduled
|
2009-04-26 | 2009-06-08 | 44 | 64d | 2009-04-27 | -1d |
|
Unscheduled
|
2009-02-17 | 2009-02-21 | 5 | 133d | - | - |
|
Unscheduled
|
2008-10-05 | 2008-10-07 | 3 | 14d | - | - |
|
Unscheduled
|
2008-09-18 | 2008-09-21 | 4 | 395d | - | - |
|
Unscheduled
|
2007-08-17 | 2007-08-20 | 4 | 123d | - | - |
|
Scheduled
|
2007-02-21 | 2007-04-16 | 55 | 40d | 2007-02-20 | +1d |
|
Unscheduled
|
2007-01-12 | 2007-01-12 | 1 | 83d | - | - |
|
Unscheduled
|
2006-10-11 | 2006-10-21 | 11 | 140d | - | - |
|
Unscheduled
|
2006-05-21 | 2006-05-24 | 4 | 288d | - | - |
|
Unscheduled
|
2005-08-06 | 2005-08-06 | 1 | 112d | - | - |
|
Scheduled
|
2005-03-22 | 2005-04-16 | 26 | 254d | 2005-03-21 | +1d |
|
Unscheduled
|
2004-07-09 | 2004-07-11 | 3 | 245d | - | - |
|
Unscheduled
|
2003-10-29 | 2003-11-07 | 10 | 216d | - | - |
|
Unscheduled
|
2003-03-26 | 2003-03-27 | 2 | 2d | - | - |
|
Unscheduled
|
2003-03-20 | 2003-03-24 | 5 | 5d | - | - |
|
Scheduled
|
2003-02-25 | 2003-03-15 | 19 | 120d | 2003-02-25 | 0d |
|
Unscheduled
|
2002-10-20 | 2002-10-28 | 9 | 83d | - | - |
|
Unscheduled
|
2002-07-28 | 2002-07-29 | 2 | 89d | - | - |
|
Unscheduled
|
2002-04-23 | 2002-04-30 | 8 | 136d | - | - |
|
Unscheduled
|
2001-12-06 | 2001-12-08 | 3 | 133d | - | - |
|
Unscheduled
|
2001-07-26 | 2001-07-26 | 1 | 94d | - | - |
|
Scheduled
|
2001-03-19 | 2001-04-23 | 36 | 261d | 2001-03-19 | 0d |
|
Unscheduled
|
2000-06-30 | 2000-07-01 | 2 | 286d | - | - |
|
Unscheduled
|
1999-09-18 | 1999-09-18 | 1 | 2d | - | - |
|
Unscheduled
|
1999-09-16 | 1999-09-16 | 1 | 123d | - | - |
|
Unscheduled
|
1999-05-16 | 1999-05-16 | 1 | 10d | - | - |
|
Scheduled
|
1999-04-12 | 1999-05-06 | 25 | - | 1999-04-12 | 0d |
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