?
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 (2021-03-07 to 2022-10-10).
582
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.
1
B2B Runs
?
Lifetime capacity factor: average power level across all recorded days (100% = always at full power).
90.8%
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
# 57928
|
2025-09-14 | 2025-09-17 | 4 | 167d | - | - |
|
Unscheduled
|
2025-03-27 | 2025-03-31 | 5 | 13d | - | - |
|
Scheduled
|
2025-02-09 | 2025-03-14 | 34 | 462d | 2025-01-27 | +13d |
|
Scram
# 56826
|
2023-11-02 | 2023-11-05 | 4 | 214d | - | - |
|
Scram
# 56446
|
2023-04-01 | 2023-04-02 | 2 | 34d | - | - |
|
Scheduled
|
2023-01-29 | 2023-02-26 | 29 | 107d | 2023-02-05 | -7d |
|
Unscheduled
|
2022-10-10 | 2022-10-14 | 5 | 582d | - | - |
|
Scheduled
|
2021-02-08 | 2021-03-07 | 28 | 292d | 2021-02-07 | +1d |
|
Unscheduled
|
2020-04-15 | 2020-04-22 | 8 | 199d | - | - |
|
Unscheduled
|
2019-09-25 | 2019-09-29 | 5 | 182d | - | - |
|
Scram
# 53953
|
2019-03-24 | 2019-03-27 | 4 | 5d | - | - |
|
Scheduled
|
2019-02-04 | 2019-03-19 | 44 | 254d | 2019-02-04 | 0d |
|
Unscheduled
|
2018-05-19 | 2018-05-26 | 8 | 448d | - | - |
|
Scheduled
|
2017-02-06 | 2017-02-25 | 20 | 258d | 2017-02-05 | +1d |
|
Unscheduled
|
2016-05-21 | 2016-05-24 | 4 | 434d | - | - |
|
Unscheduled
|
2015-03-12 | 2015-03-14 | 3 | 2d | - | - |
|
Scheduled
|
2015-02-09 | 2015-03-10 | 30 | 507d | 2015-02-08 | +1d |
|
Unscheduled
|
2013-09-16 | 2013-09-20 | 5 | 183d | - | - |
|
Scheduled
|
2013-02-12 | 2013-03-17 | 34 | 279d | 2013-02-04 | +8d |
|
Unscheduled
|
2012-05-05 | 2012-05-09 | 5 | 138d | - | - |
|
Unscheduled
|
2011-12-15 | 2011-12-19 | 5 | 48d | - | - |
|
Scram
# 47369
|
2011-10-22 | 2011-10-28 | 7 | 144d | - | - |
|
Unscheduled
|
2011-05-28 | 2011-05-31 | 4 | 22d | - | - |
|
Unscheduled
|
2011-05-05 | 2011-05-06 | 2 | 4d | - | - |
|
Scheduled
|
2011-03-29 | 2011-05-01 | 34 | 348d | 2011-03-28 | +1d |
|
Unscheduled
|
2010-04-05 | 2010-04-15 | 11 | 286d | - | - |
|
Unscheduled
|
2009-06-23 | 2009-06-23 | 1 | 2d | - | - |
|
Unscheduled
|
2009-06-21 | 2009-06-21 | 1 | 30d | - | - |
|
Scheduled
|
2009-02-09 | 2009-05-22 | 103 | 277d | 2009-02-09 | 0d |
|
Unscheduled
|
2008-05-08 | 2008-05-08 | 1 | 2d | - | - |
|
Unscheduled
|
2008-05-04 | 2008-05-06 | 3 | 56d | - | - |
|
Unscheduled
|
2008-03-08 | 2008-03-09 | 2 | 213d | - | - |
|
Unscheduled
|
2007-08-08 | 2007-08-08 | 1 | 146d | - | - |
|
Scheduled
|
2007-02-06 | 2007-03-15 | 38 | 306d | 2007-02-05 | +1d |
|
Unscheduled
|
2006-04-05 | 2006-04-06 | 2 | 313d | - | - |
|
Unscheduled
|
2005-05-24 | 2005-05-27 | 4 | 73d | - | - |
|
Scheduled
|
2005-02-05 | 2005-03-12 | 36 | 126d | 2005-02-04 | +1d |
|
Unscheduled
|
2004-09-25 | 2004-10-02 | 8 | 546d | - | - |
|
Scheduled
|
2003-03-01 | 2003-03-29 | 29 | 417d | 2003-03-01 | 0d |
|
Unscheduled
|
2001-12-26 | 2002-01-08 | 14 | 60d | - | - |
|
Unscheduled
|
2001-10-27 | 2001-10-27 | 1 | 5d | - | - |
|
Scheduled
|
2001-09-15 | 2001-10-22 | 38 | 525d | 2001-09-15 | 0d |
|
Scheduled
|
2000-03-04 | 2000-04-08 | 36 | 249d | 2000-03-04 | 0d |
|
Unscheduled
|
1999-06-28 | 1999-06-29 | 2 | 5d | - | - |
|
Unscheduled
|
1999-06-16 | 1999-06-23 | 8 | 38d | - | - |
|
Unscheduled
|
1999-05-06 | 1999-05-09 | 4 | 94d | - | - |
|
Unscheduled
|
1999-01-29 | 1999-02-01 | 4 | - | - | - |
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