?
Days of continuous operation since the last outage ended. Has forced outage(s) since last refueling.
312
Current Run
days
?
Longest recorded period of continuous operation between outages (2021-03-31 to 2023-03-27).
726
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).
92.6%
Capacity Factor
?
Total number of scheduled refueling outages detected in the historical data.
15
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
# 57718
|
2025-05-20 | 2025-05-28 | 9 | 50d | - | - |
|
Scheduled
|
2025-03-10 | 2025-03-31 | 22 | 694d | 2025-03-25 | -15d |
|
Scheduled
|
2023-03-27 | 2023-04-16 | 21 | 726d | 2023-03-27 | 0d |
|
Scheduled
|
2021-03-15 | 2021-03-31 | 17 | 564d | 2021-03-15 | 0d |
|
Scram
# 54239
|
2019-08-26 | 2019-08-29 | 4 | 142d | - | - |
|
Scheduled
|
2019-03-18 | 2019-04-06 | 20 | 171d | 2019-03-18 | 0d |
|
Scram
# 53626
|
2018-09-27 | 2018-09-28 | 2 | 532d | - | - |
|
Scheduled
|
2017-03-27 | 2017-04-13 | 18 | 722d | 2017-03-27 | 0d |
|
Scram
# 50949
|
2015-04-03 | 2015-04-05 | 3 | 11d | - | - |
|
Scheduled
|
2015-03-02 | 2015-03-23 | 22 | 696d | 2015-03-02 | 0d |
|
Scheduled
|
2013-03-11 | 2013-04-05 | 26 | 635d | 2013-03-11 | 0d |
|
Scram
# 46951
|
2011-06-14 | 2011-06-15 | 2 | 9d | - | - |
|
Scheduled
|
2011-05-09 | 2011-06-05 | 28 | 268d | 2011-05-09 | 0d |
|
Unscheduled
|
2010-08-13 | 2010-08-14 | 2 | 336d | - | - |
|
Unscheduled
|
2009-09-09 | 2009-09-11 | 3 | 103d | - | - |
|
Unscheduled
|
2009-05-25 | 2009-05-29 | 5 | 3d | - | - |
|
Scheduled
|
2009-04-27 | 2009-05-22 | 26 | 595d | 2009-05-04 | -7d |
|
Unscheduled
|
2007-09-08 | 2007-09-10 | 3 | 109d | - | - |
|
Scheduled
|
2007-05-05 | 2007-05-22 | 18 | 349d | 2007-05-04 | +1d |
|
Unscheduled
|
2006-05-05 | 2006-05-21 | 17 | 71d | - | - |
|
Unscheduled
|
2006-02-22 | 2006-02-23 | 2 | 35d | - | - |
|
Unscheduled
|
2006-01-16 | 2006-01-18 | 3 | 8d | - | - |
|
Unscheduled
|
2006-01-07 | 2006-01-08 | 2 | 203d | - | - |
|
Unscheduled
|
2005-06-18 | 2005-06-18 | 1 | 17d | - | - |
|
Unscheduled
|
2005-05-28 | 2005-06-01 | 5 | 41d | - | - |
|
Scheduled
|
2005-03-21 | 2005-04-17 | 28 | 456d | 2005-03-21 | 0d |
|
Unscheduled
|
2003-12-20 | 2003-12-21 | 2 | 21d | - | - |
|
Scheduled
|
2003-11-12 | 2003-11-29 | 18 | 167d | 2003-11-12 | 0d |
|
Unscheduled
|
2003-05-21 | 2003-05-29 | 9 | 177d | - | - |
|
Unscheduled
|
2002-11-05 | 2002-11-25 | 21 | 94d | - | - |
|
Unscheduled
|
2002-08-03 | 2002-08-03 | 1 | 180d | - | - |
|
Scheduled
|
2002-01-10 | 2002-02-04 | 26 | 256d | 2002-01-10 | 0d |
|
Unscheduled
|
2001-04-27 | 2001-04-29 | 3 | 141d | - | - |
|
Unscheduled
|
2000-12-07 | 2000-12-07 | 1 | 36d | - | - |
|
Scheduled
|
2000-10-14 | 2000-11-01 | 19 | 511d | 2000-10-14 | 0d |
|
Unscheduled
|
1999-05-22 | 1999-05-22 | 1 | 23d | - | - |
|
Scheduled
|
1999-04-10 | 1999-04-29 | 20 | - | 1999-04-10 | 0d |
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