Power Reactor Status Report for May 21, 2023

UNEVALUATED INFORMATION PROVIDED BY THE FACILITY

On this page:

• Region 1 Reactors
• Region 2 Reactors
• Region 3 Reactors
• Region 4 Reactors

Region 1

Unit	Power	Down	Reason or Comment	Change in report (*)	Number of Scrams (#)
Beaver Valley 1	100		High System Voltage Action	*
Beaver Valley 2	26		High System Voltage Action. Increasing Power per Power Ascension Plan.	*
Calvert Cliffs 1	100		High System Voltage Action	*
Calvert Cliffs 2	100		High System Voltage Action
FitzPatrick	100			*
Ginna	100
Hope Creek 1	100
Limerick 1	100
Limerick 2	64		Increasing Power	*
Millstone 2	0	4/7/2023	Refueling Outage
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	100
Susquehanna 1	97		Reduced Power for Grid Stability; Planned Transmission Outage; High System Voltage Action
Susquehanna 2	92		Reduced Power for Grid Stability; Planned Transmission Outage; High System Voltage Action

Region 2

Unit	Power	Down	Reason or Comment	Change in report (*)	Number of Scrams (#)
Browns Ferry 1	0	5/20/2023	Automatic Reactor Scram. See EN 56531.	*	1
Browns Ferry 2	100
Browns Ferry 3	100
Brunswick 1	100
Brunswick 2	95		Increasing Power following Planned Down Power	*
Catawba 1	0	4/19/2023	Refueling Outage
Catawba 2	100
Farley 1	100
Farley 2	100
Harris 1	100
Hatch 1	0	5/20/2023	Planned Transformer Maintenance
Hatch 2	100
McGuire 1	100
McGuire 2	100
North Anna 1	100
North Anna 2	100
Oconee 1	100
Oconee 2	100
Oconee 3	100
Robinson 2	100
Saint Lucie 1	100
Saint Lucie 2	100
Sequoyah 1	100
Sequoyah 2	100
Summer	38		Holding power for chemistry
Surry 1	100
Surry 2	0	4/23/2023	Refueling Outage
Turkey Point 3	100
Turkey Point 4	100
Vogtle 1	100
Vogtle 2	100
Vogtle 3	75		Current hold at 75 percent plateau.
Watts Bar 1	100
Watts Bar 2	100

Region 3

Unit	Power	Down	Reason or Comment	Change in report (*)	Number of Scrams (#)
Braidwood 1	100
Braidwood 2	100
Byron 1	100
Byron 2	100
Clinton	0	5/13/2023	Maintenance Outage
D.C. Cook 1	100			*
D.C. Cook 2	100			*
Davis-Besse	100		High System Voltage Action
Dresden 2	100
Dresden 3	100
Fermi 2	100
LaSalle 1	100
LaSalle 2	97		Reduced Power For Rod Pattern Adjustment	*
Monticello	100
Perry 1	100
Point Beach 1	100
Point Beach 2	100
Prairie Island 1	100
Prairie Island 2	100
Quad Cities 1	100
Quad Cities 2	100

Region 4

Unit	Power	Down	Reason or Comment	Change in report (*)	Number of Scrams (#)
Arkansas Nuclear 1	100
Arkansas Nuclear 2	0	4/14/2023	Refueling Outage
Callaway	100
Columbia Generating Station	0	5/6/2023	Refueling Outage
Comanche Peak 1	100
Comanche Peak 2	0	4/24/2023	Refueling Outage
Cooper	100			*
Diablo Canyon 1	100
Diablo Canyon 2	100
Grand Gulf 1	100
Palo Verde 1	100
Palo Verde 2	100
Palo Verde 3	100
River Bend Station 1	0	2/11/2023	Refueling Outage
South Texas 1	100
South Texas 2	100
Waterford 3	100		Conservative grid operations
Wolf Creek 1	100

* - 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.
• Additional plant status information is made available on the web page after 28 days.