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Catawba 2 - Status & History

Comprehensive reactor performance metrics, cycle analysis, and historical outage data.

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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

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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

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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

Unscheduled
2026-03-31 In Outage 4+ 178d - -
Scheduled
2025-09-03 2025-10-04 32 340d 2025-09-06 -3d
Scram # 57344
2024-09-28 2024-09-28 1 167d - -
Scheduled
2024-03-17 2024-04-14 29 510d 2024-03-19 -2d
Scheduled
2022-09-14 2022-10-24 41 2d 2022-09-10 +4d
Unscheduled
2022-09-11 2022-09-12 2 138d - -
Scram # 55856
2022-04-23 2022-04-26 4 356d - -
Scheduled
2021-03-28 2021-05-02 36 537d 2021-03-27 +1d
Scheduled
2019-09-15 2019-10-08 24 520d 2019-09-08 +7d
Scheduled
2018-03-17 2018-04-13 28 525d 2018-03-17 0d
Scheduled
2016-09-10 2016-10-08 29 529d 2016-09-10 0d
Scheduled
2015-02-28 2015-03-31 32 499d 2015-02-28 0d
Scheduled
2013-09-14 2013-10-17 34 515d 2013-09-14 0d
Scheduled
2012-03-11 2012-04-17 38 86d 2012-03-10 +1d
Unscheduled
2011-12-16 2011-12-16 1 422d - -
Scheduled
2010-09-18 2010-10-20 33 518d 2010-09-18 0d
Scheduled
2009-03-07 2009-04-18 43 479d 2009-03-14 -7d
Scheduled
2007-09-15 2007-11-14 61 477d 2007-09-15 0d
Unscheduled
2006-05-21 2006-05-26 6 28d - -
Scheduled
2006-03-19 2006-04-23 36 506d 2006-03-18 +1d
Unscheduled
2004-10-28 2004-10-29 2 4d - -
Scheduled
2004-09-12 2004-10-24 43 536d 2004-09-11 +1d
Scheduled
2003-03-01 2003-03-26 26 435d 2003-03-01 0d
Unscheduled
2001-12-08 2001-12-21 14 47d - -
Scheduled
2001-09-15 2001-10-22 38 465d 2001-09-15 0d
Unscheduled
2000-06-06 2000-06-07 2 59d - -
Scheduled
2000-03-12 2000-04-08 28 68d 2000-03-12 0d
Unscheduled
1999-12-31 2000-01-04 5 201d - -
Unscheduled
1999-05-17 1999-06-13 28 2d - -
Unscheduled
1999-05-06 1999-05-15 10 - - -
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