Power Reactor Status Report for May 22, 2007

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
Beaver Valley 2	100
Calvert Cliffs 1	100
Calvert Cliffs 2	100
FitzPatrick	50		FEEDWATER PUMP MAINTENANCE POTENTIAL ISSUE WITH 115KV DUE TO NMP UNIT 1 SHUTDOWN AND FITZPATRICK EDG OUTAGE	*
Ginna	100
Hope Creek 1	100		SWITCHYARD WORK 5/20
Indian Point 2	100		MAINTENANCE ON FEEDER 95891 (1 OF 3)
Indian Point 3	100		MAINTENANCE ON FEEDER 95891 (1 OF 3)
Limerick 1	100
Limerick 2	100
Millstone 2	100		CIRCULATING WATER PUMP OOS	*
Millstone 3	94		HOLDING	*
Nine Mile Point 1	1		CRITICAL JUST PAST POINT OF ADDING HEAT	*
Nine Mile Point 2	100
Oyster Creek	100
Peach Bottom 2	100
Peach Bottom 3	100
Pilgrim 1	100
Salem 1	100
Salem 2	100
Seabrook 1	100		SWITCHYARD BREAKER 169 OOS UNTIL 25MAY07	*
Susquehanna 1	100
Susquehanna 2	100
Three Mile Island 1	100
Vermont Yankee	0	05/13/2007	REFUELING OUTAGE	*

Region 2

Unit	Power	Down	Reason or Comment	Change in report (*)	Number of Scrams (#)
Browns Ferry 1	0	03/03/1985	STARTUP - CRITICAL, HEATUP IN PROG.; TRINTY-1 500 KV AND ATHENS 161 KV LINE MAINTENANCE	*
Browns Ferry 2	100		TRINTY-1 500 KV AND ATHENS 161 KV LINE MAINTENANCE	*
Browns Ferry 3	100		TRINTY-1 500 KV AND ATHENS 161 KV LINE MAINTENANCE	*
Brunswick 1	98		ROD PATTERN AJUSTMENTS	*
Brunswick 2	100
Catawba 1	100
Catawba 2	100
Crystal River 3	100
Farley 1	100
Farley 2	12		MAIN GENERATOR RELAYING ISSUES
Harris 1	100		SWITHYARD WORK	*
Hatch 1	100
Hatch 2	100
McGuire 1	0	03/10/2007	REFUELING OUTAGE.
McGuire 2	100
North Anna 1	100
North Anna 2	100
Oconee 1	100
Oconee 2	0	04/27/2007	REFUELING OUTAGE
Oconee 3	100
Robinson 2	100		115 KV SWITCHYARD MAINTENANCE - NO OFFSITE POWER IMPACT
Saint Lucie 1	0	04/01/2007	REFUELING OUTAGE - HEATING UP
Saint Lucie 2	100
Sequoyah 1	100
Sequoyah 2	100
Summer	100
Surry 1	100
Surry 2	100
Turkey Point 3	100
Turkey Point 4	100
Vogtle 1	99		100% ELECTRICAL CAPABILITY.
Vogtle 2	99		100% ELECTRICAL CAPABILITY
Watts Bar 1	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	97		100% ELECTRICAL CAPABILITY
D.C. Cook 1	100
D.C. Cook 2	100
Davis-Besse	100		SWITCHYARD BUS K AND START UP TRANSFORMER 2 OOS	*
Dresden 2	99		100% ELECTRICAL CAPABILITY
Dresden 3	100			*
Duane Arnold	98		100% ELECTRICAL CAPABILITY
Fermi 2	100
Kewaunee	100
La Salle 1	100
La Salle 2	100
Monticello	100
Palisades	100
Perry 1	55		DIGITAL FEED WATER ISSUES
Point Beach 1	100
Point Beach 2	100
Prairie Island 1	100
Prairie Island 2	100
Quad Cities 1	0	05/04/2007	REFUELING OUTAGE	*
Quad Cities 2	96		100% ELECTRICAL CAPABILITY

Region 4

Unit	Power	Down	Reason or Comment	Change in report (*)	Number of Scrams (#)
Arkansas Nuclear 1	100
Arkansas Nuclear 2	100
Callaway	100
Columbia Generating Station	0	05/12/2007	REFUELING OUTAGE
Comanche Peak 1	100
Comanche Peak 2	100
Cooper	9		POWER ASCENSION INPROGRESS	*
Diablo Canyon 1	0	04/30/2007	REFUELING OUTAGE
Diablo Canyon 2	100
Fort Calhoun	100		345 KV RAUN LINE OOS DUE TO FAULT ON 'A' PHASE	*
Grand Gulf 1	0	05/19/2007	SCRAM DUE TO LOSS OF CONDENSER VACUUM SEE EN #43376
Palo Verde 1	0	05/18/2007	REFUELING OUTAGE
Palo Verde 2	100
Palo Verde 3	100		MTC TESTING 5/22
River Bend 1	90		'A' RECIRC PUMP MALFUNCTION	*
San Onofre 2	99		100% ELECTRICAL CAPABILITY	*
San Onofre 3	100
South Texas 1	100
South Texas 2	100
Waterford 3	100
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.