?
Days of continuous operation since the last outage ended. Clean run (no forced outages since last refueling).
303
Current Run
days ✔
?
Longest recorded period of continuous operation between outages (2017-07-29 to 2019-01-05).
525
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).
86.9%
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 |
|---|---|---|---|---|---|---|
|
Scheduled
|
2025-04-26 | 2025-06-06 | 42 | 138d | 2025-04-01 | +25d |
|
Unscheduled
|
2024-12-03 | 2024-12-09 | 7 | 168d | - | - |
|
Scram
# 57175
|
2024-06-17 | 2024-06-18 | 2 | 34d | - | - |
|
Scram
# 57042
|
2024-03-22 | 2024-05-14 | 54 | 4d | - | - |
|
Scram
# 57032
|
2024-03-17 | 2024-03-18 | 2 | 45d | - | - |
|
Scheduled
|
2023-10-14 | 2024-02-01 | 111 | 214d | 2023-10-14 | 0d |
|
Unscheduled
|
2023-03-11 | 2023-03-14 | 4 | 257d | - | - |
|
Scram
# 55963
|
2022-06-25 | 2022-06-27 | 3 | 7d | - | - |
|
Scheduled
|
2022-04-02 | 2022-06-18 | 78 | 207d | 2022-04-02 | 0d |
|
Unscheduled
|
2021-08-30 | 2021-09-07 | 9 | 149d | - | - |
|
Unscheduled
|
2021-04-01 | 2021-04-03 | 3 | 108d | - | - |
|
Unscheduled
|
2020-12-12 | 2020-12-14 | 3 | 38d | - | - |
|
Unscheduled
|
2020-11-03 | 2020-11-04 | 2 | 3d | - | - |
|
Scheduled
|
2020-09-26 | 2020-10-31 | 36 | 416d | 2020-09-26 | 0d |
|
Unscheduled
|
2019-08-01 | 2019-08-07 | 7 | 65d | - | - |
|
Scram
# 54068
|
2019-05-17 | 2019-05-28 | 12 | 62d | - | - |
|
Scheduled
|
2019-01-05 | 2019-03-16 | 71 | 525d | 2019-01-05 | 0d |
|
Scram
# 52863
|
2017-07-18 | 2017-07-29 | 12 | 47d | - | - |
|
Scheduled
|
2017-04-15 | 2017-06-01 | 48 | 167d | 2017-04-15 | 0d |
|
Unscheduled
|
2016-10-25 | 2016-10-30 | 6 | 315d | - | - |
|
Scheduled
|
2015-10-25 | 2015-12-15 | 52 | 20d | 2015-10-18 | +7d |
|
Scram
# 51447
|
2015-10-04 | 2015-10-05 | 2 | 102d | - | - |
|
Unscheduled
|
2015-06-23 | 2015-06-24 | 2 | 17d | - | - |
|
Scram
# 51116
|
2015-06-04 | 2015-06-06 | 3 | 386d | - | - |
|
Scheduled
|
2014-04-13 | 2014-05-14 | 32 | 347d | 2014-04-13 | 0d |
|
Unscheduled
|
2013-04-27 | 2013-05-01 | 5 | 94d | - | - |
|
Scram
# 48687
|
2013-01-22 | 2013-01-23 | 2 | 5d | - | - |
|
Scheduled
|
2012-10-17 | 2013-01-17 | 93 | 45d | 2012-10-17 | 0d |
|
Unscheduled
|
2012-08-29 | 2012-09-02 | 5 | 476d | - | - |
|
Scheduled
|
2011-04-06 | 2011-05-11 | 36 | 490d | 2011-03-30 | +7d |
|
Scheduled
|
2009-10-20 | 2009-12-02 | 44 | 406d | 2009-10-25 | -5d |
|
Unscheduled
|
2008-09-01 | 2008-09-09 | 9 | 93d | - | - |
|
Scheduled
|
2008-04-27 | 2008-05-31 | 35 | 188d | 2008-04-27 | 0d |
|
Unscheduled
|
2007-10-09 | 2007-10-22 | 14 | 286d | - | - |
|
Scheduled
|
2006-11-26 | 2006-12-27 | 32 | 377d | 2006-11-25 | +1d |
|
Unscheduled
|
2005-11-12 | 2005-11-14 | 3 | 60d | - | - |
|
Unscheduled
|
2005-08-29 | 2005-09-13 | 16 | 80d | - | - |
|
Scheduled
|
2005-04-17 | 2005-06-10 | 55 | 514d | 2005-04-16 | +1d |
|
Scheduled
|
2003-10-20 | 2003-11-20 | 32 | 245d | 2003-10-20 | 0d |
|
Unscheduled
|
2003-02-16 | 2003-02-17 | 2 | 305d | - | - |
|
Scheduled
|
2002-03-23 | 2002-04-17 | 26 | 402d | 2002-03-23 | 0d |
|
Unscheduled
|
2001-02-14 | 2001-02-14 | 1 | 89d | - | - |
|
Scheduled
|
2000-10-14 | 2000-11-17 | 35 | 122d | 2000-10-14 | 0d |
|
Unscheduled
|
2000-06-09 | 2000-06-14 | 6 | 94d | - | - |
|
Unscheduled
|
2000-03-07 | 2000-03-07 | 1 | 97d | - | - |
|
Unscheduled
|
1999-11-27 | 1999-12-01 | 5 | 59d | - | - |
|
Unscheduled
|
1999-09-11 | 1999-09-29 | 19 | 32d | - | - |
|
Unscheduled
|
1999-08-02 | 1999-08-10 | 9 | 47d | - | - |
|
Unscheduled
|
1999-06-15 | 1999-06-16 | 2 | 75d | - | - |
|
Scheduled
|
1999-02-20 | 1999-04-01 | 41 | - | 1999-02-20 | 0d |
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