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Alert

Due to a lapse in appropriations, the NRC has ceased normal operations. However, excepted and exempted activities necessary to maintain critical health and safety functions—as well as essential progress on designated critical activities, including those specified in Executive Order 14300—will continue, consistent with the OMB-Approved NRC Lapse Plan.

Power Reactor Status Report for May 12, 2024

UNEVALUATED INFORMATION PROVIDED BY THE FACILITY

On this page:

Region 1

Unit Power Down Reason or Comment Change in Report (*) Scrams (#)
Beaver Valley 1 0 2024-04-13 Refueling Outage; High System Voltage Action; Geomagnetic Disturbance Warning *
Beaver Valley 2 100 High System Voltage Action; Geomagnetic Disturbance Warning *
Calvert Cliffs 1 100 High System Voltage Action; Geomagnetic Disturbance Warning *
Calvert Cliffs 2 100 High System Voltage Action; Geomagnetic Disturbance Warning *
FitzPatrick 100
Ginna 100
Hope Creek 1 4 Increasing Power *
Limerick 1 100 Geomagnetic Disturbance Warning *
Limerick 2 100 Geomagnetic Disturbance Warning *
Millstone 2 100
Millstone 3 100
Nine Mile Point 1 100
Nine Mile Point 2 100
Peach Bottom 2 100
Peach Bottom 3 100
Salem 1 100
Salem 2 100
Seabrook 1 58 Reduced power due to < 700MW due to Geomagnetic Disturbance
Susquehanna 1 99 High System Voltage Action *
Susquehanna 2 100 High System Voltage Action *

Region 2

Unit Power Down Reason or Comment Change in Report (*) Scrams (#)
Browns Ferry 1 100
Browns Ferry 2 100
Browns Ferry 3 100
Brunswick 1 100
Brunswick 2 100
Catawba 1 100
Catawba 2 100
Farley 1 48 Holding Power for Chemistry *
Farley 2 100
Harris 1 0 2024-04-10 Refueling Outage *
Hatch 1 100
Hatch 2 100
McGuire 1 100
McGuire 2 100
North Anna 1 100 Geomagnetic Disturbance Warning
North Anna 2 100 Geomagnetic Disturbance Warning
Oconee 1 100
Oconee 2 100
Oconee 3 0 2024-05-04 Refueling Outage
Robinson 2 100
Saint Lucie 1 100
Saint Lucie 2 100
Sequoyah 1 100
Sequoyah 2 100
Summer 100
Surry 1 0 2024-04-07 Refueling Outage Geomagnetic Disturbance Warning
Surry 2 100 Geomagnetic Disturbance Warning
Turkey Point 3 100
Turkey Point 4 100
Vogtle 1 100
Vogtle 2 100
Vogtle 3 100
Vogtle 4 99 Reduced Power For Secondary Flow Meter Maintenance *
Watts Bar 1 100
Watts Bar 2 100

Region 3

Unit Power Down Reason or Comment Change in Report (*) Scrams (#)
Braidwood 1 100 High System Voltage Action; Geomagnetic Disturbance Warning *
Braidwood 2 100 High System Voltage Action; Geomagnetic Disturbance Warning *
Byron 1 100 Geomagnetic Disturbance Warning
Byron 2 100 Geomagnetic Disturbance Warning
Clinton 100
D.C. Cook 1 99 Geomagnetic Disturbance Warning
D.C. Cook 2 100 Geomagnetic Disturbance Warning
Davis-Besse 100 High System Voltage Action; Geomagnetic Disturbance Warning *
Dresden 2 100
Dresden 3 100 *
Fermi 2 10 Increasing Power *
LaSalle 1 100 Geomagnetic Disturbance Warning
LaSalle 2 100 Geomagnetic Disturbance Warning
Monticello 100
Perry 1 0 2024-05-11 Maintenance Outage; Geomagnetic Disturbance Warning *
Point Beach 1 100
Point Beach 2 100
Prairie Island 1 98 Geomagnetic Disturbance Warning; Reduced Power for Economic Dispatch *
Prairie Island 2 42 Reduced Power For Maintenance; Geomagnetic Disturbance Warning
Quad Cities 1 100 *
Quad Cities 2 100 *

Region 4

Unit Power Down Reason or Comment Change in Report (*) Scrams (#)
Arkansas Nuclear 1 0 2024-04-27 Refueling Outage; Conservative Operations Order *
Arkansas Nuclear 2 100 Conservative Operations Order *
Callaway 100
Columbia Generating Station 100
Comanche Peak 1 0 2024-05-11 Reduced Power For Maintenance *
Comanche Peak 2 100
Cooper 100
Diablo Canyon 1 100
Diablo Canyon 2 0 2024-04-07 Refueling Outage
Grand Gulf 1 9 Reduced Power For Maintenance; Conservative Operations Order *
Palo Verde 1 100
Palo Verde 2 100
Palo Verde 3 0 2024-04-06 Refueling Outage *
River Bend Station 1 100
South Texas 1 100
South Texas 2 14 Reduced Power For Maintenance; Increasing Power *
Waterford 3 0 2024-03-21 Forced Outage; Conservative Operations Order *
Wolf Creek 1 50 Increasing Power *

* - Power Reactor Status Report change within past 24 hours
# - Number of reactor scrams or trips within past 24 hours

Notes:
  • Reactor status data collected between 4 a.m. and 8 a.m. each day.
  • All times are based on eastern time.