?
Days of continuous operation since the last outage ended. Has forced outage(s) since last refueling.
158
Current Run
days
?
Longest recorded period of continuous operation between outages (2019-10-16 to 2021-09-27).
712
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.
3
B2B Runs
?
Lifetime capacity factor: average power level across all recorded days (100% = always at full power).
89%
Capacity Factor
?
Total number of scheduled refueling outages detected in the historical data.
16
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
# 58002
|
2025-10-23 | 2025-10-29 | 7 | 16d | - | - |
|
Scram
# 57967
|
2025-10-07 | 2025-10-07 | 1 | 4d | - | - |
|
Scheduled
|
2025-09-08 | 2025-10-03 | 26 | 701d | 2025-09-08 | 0d |
|
Scheduled
|
2023-09-11 | 2023-10-08 | 28 | 106d | 2023-09-11 | 0d |
|
Unscheduled
|
2023-05-28 | 2023-05-28 | 1 | 5d | - | - |
|
Unscheduled
|
2023-05-13 | 2023-05-23 | 11 | 99d | - | - |
|
Scram
# 56328
|
2023-02-01 | 2023-02-03 | 3 | 379d | - | - |
|
Unscheduled
|
2022-01-16 | 2022-01-18 | 3 | 79d | - | - |
|
Unscheduled
|
2021-10-29 | 2021-10-29 | 1 | 4d | - | - |
|
Scheduled
|
2021-09-27 | 2021-10-25 | 29 | 712d | 2021-09-27 | 0d |
|
Scheduled
|
2019-09-17 | 2019-10-16 | 30 | 43d | 2019-09-16 | +1d |
|
Scram
# 54197
|
2019-08-03 | 2019-08-05 | 3 | 272d | - | - |
|
Scram
# 53698
|
2018-10-29 | 2018-11-04 | 7 | 162d | - | - |
|
Scheduled
|
2018-04-30 | 2018-05-20 | 21 | 136d | 2018-04-30 | 0d |
|
Scram
# 53110
|
2017-12-10 | 2017-12-15 | 6 | 182d | - | - |
|
Scram
# 52800
|
2017-06-11 | 2017-06-11 | 1 | 9d | - | - |
|
Scram
# 52777
|
2017-05-31 | 2017-06-02 | 3 | 3d | - | - |
|
Scheduled
|
2017-05-09 | 2017-05-28 | 20 | 348d | 2017-05-08 | +1d |
|
Unscheduled
|
2016-05-17 | 2016-05-26 | 10 | 367d | - | - |
|
Scheduled
|
2015-04-28 | 2015-05-16 | 19 | 94d | 2015-04-27 | +1d |
|
Unscheduled
|
2015-01-22 | 2015-01-24 | 3 | 302d | - | - |
|
Scram
# 49958
|
2014-03-26 | 2014-03-26 | 1 | 3d | - | - |
|
Unscheduled
|
2014-03-21 | 2014-03-23 | 3 | 97d | - | - |
|
Scram
# 49632
|
2013-12-14 | 2013-12-14 | 1 | 2d | - | - |
|
Scram
# 49617
|
2013-12-09 | 2013-12-12 | 4 | 42d | - | - |
|
Scheduled
|
2013-10-08 | 2013-10-28 | 21 | 164d | 2013-10-07 | +1d |
|
Scram
# 48974
|
2013-04-27 | 2013-04-27 | 1 | 50d | - | - |
|
Scram
# 48812
|
2013-03-08 | 2013-03-08 | 1 | 444d | - | - |
|
Scheduled
|
2011-11-30 | 2011-12-20 | 21 | 664d | 2011-11-30 | 0d |
|
Scheduled
|
2010-01-11 | 2010-02-04 | 25 | 79d | 2010-01-11 | 0d |
|
Unscheduled
|
2009-10-16 | 2009-10-24 | 9 | 14d | - | - |
|
Unscheduled
|
2009-09-30 | 2009-10-02 | 3 | 597d | - | - |
|
Unscheduled
|
2008-02-11 | 2008-02-11 | 1 | 7d | - | - |
|
Scheduled
|
2008-01-12 | 2008-02-04 | 24 | 206d | 2008-01-14 | -2d |
|
Unscheduled
|
2007-06-20 | 2007-06-20 | 1 | 295d | - | - |
|
Unscheduled
|
2006-08-28 | 2006-08-29 | 2 | 160d | - | - |
|
Unscheduled
|
2006-03-21 | 2006-03-21 | 1 | 24d | - | - |
|
Scheduled
|
2006-01-31 | 2006-02-25 | 26 | 324d | 2006-01-30 | +1d |
|
Unscheduled
|
2005-03-12 | 2005-03-13 | 2 | 10d | - | - |
|
Unscheduled
|
2005-02-23 | 2005-03-02 | 8 | 221d | - | - |
|
Unscheduled
|
2004-07-14 | 2004-07-17 | 4 | 112d | - | - |
|
Unscheduled
|
2004-03-23 | 2004-03-24 | 2 | 28d | - | - |
|
Scheduled
|
2004-02-03 | 2004-02-24 | 22 | 61d | 2004-02-03 | 0d |
|
Unscheduled
|
2003-12-03 | 2003-12-04 | 2 | 235d | - | - |
|
Unscheduled
|
2003-04-11 | 2003-04-12 | 2 | 281d | - | - |
|
Unscheduled
|
2002-07-04 | 2002-07-04 | 1 | 52d | - | - |
|
Unscheduled
|
2002-05-13 | 2002-05-13 | 1 | 9d | - | - |
|
Scheduled
|
2002-04-02 | 2002-05-04 | 33 | 107d | 2002-04-02 | 0d |
|
Unscheduled
|
2001-12-16 | 2001-12-16 | 1 | 145d | - | - |
|
Unscheduled
|
2001-07-24 | 2001-07-24 | 1 | 58d | - | - |
|
Unscheduled
|
2001-05-26 | 2001-05-27 | 2 | 110d | - | - |
|
Unscheduled
|
2001-02-04 | 2001-02-05 | 2 | 45d | - | - |
|
Unscheduled
|
2000-12-19 | 2000-12-21 | 3 | 39d | - | - |
|
Scheduled
|
2000-10-15 | 2000-11-10 | 27 | 67d | 2000-10-15 | 0d |
|
Unscheduled
|
2000-08-02 | 2000-08-09 | 8 | 58d | - | - |
|
Unscheduled
|
2000-06-03 | 2000-06-05 | 3 | 12d | - | - |
|
Unscheduled
|
2000-05-18 | 2000-05-22 | 5 | 362d | - | - |
|
Unscheduled
|
1999-05-20 | 1999-05-22 | 3 | 2d | - | - |
|
Unscheduled
|
1999-05-15 | 1999-05-18 | 4 | 9d | - | - |
|
Scheduled
|
1999-01-01 | 1999-05-06 | 126 | - | 1999-01-01 | 0d |
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