Event Type:

Year:

Event Began Date Event Restoration Date Respondent NERC Region Event Type Demand Loss (MW) Number Of Customers Affected Duration (Hrs) New NERC Region New Demand Loss (MW) New Number Of Customers Affected Year New Event Type Row Number Area
01/25/2003 2 a.m. 01/26/2003 2 a.m. Cinergy Corporation ECAR Cyber Threat From Internet NA 0 12.0 RFC 0 0 2003 Cyber 0 ohio, cincinnati
02/27/2003 11:32 a.m. 03/01/2003 8 a.m. Duke Energy Corporation SERC Winter Ice Storm 1,000 0 44.46666667 SERC 1,000 340000 2003 Cold 1 north carolina, piedmont
04/04/2003 3:11 a.m. 04/05/2003 2 a.m. Niagara Mohawk Power NPCC Severe Storm 200-250 160000 34.81666667 NPCC 225 160000 2003 Storm 2 new york,
04/03/2003 7 a.m. 04/06/2003 5 a.m. Consumers Energy ECAR Ice Storm 300 425000 70.0 RFC 300 425000 2003 Cold 3 lower michigan peninsula
04/15/2003 11 a.m. 04/15/2003 2:06 a.m. Bryan Texas Utilities ERCOT Relaying Malfunction 212 68530 3.1 ERCOT 212 68530 2003 Equipment Failure 4 cities of bryan
04/28/2003 3:41 a.m. 04/29/2003 noon American Transmission MAIN Vandalism - 0 32.31666667 RFC 0 0 2003 Vandalism 5 wisconsin, , county of waukesha
05/02/2003 8 a.m. 05/03/2003 8 a.m. Southern Company SERC Severe Thunderstorms 130 102842 12.0 SERC 130 102842 2003 Storm 6 central georgia
05/02/2003 5 a.m. 05/04/2003 noon Duke Energy Company SERC Severe Thunderstorms 1,500 139000 43.0 SERC 1,500 139000 2003 Storm 7 piedmont, north and
05/15/2003 2:52 a.m. 05/15/2003 3:29 a.m. Center Point Energy ERCOT Interruption of Firm 476 192000 0.616666667 ERCOT 476 192000 2003 Fuel Supply 8 north texas
05/15/2003 2 a.m. 06/16/2003 2 a.m. We Energies MAIN Flood 240 2 768.0 RFC 240 2 2003 Storm 9 upper michigan peninsula
06/15/2003 3:12 a.m. 06/16/2003 5 a.m. Idaho Power Company WECC Public Appeal - 0 37.8 WECC 0 0 2003 Voluntary Reduction 10 idaho
06/30/2003 1 a.m. 06/30/2003 11:59 a.m. Entergy Corporation SPP Tropical Storm Bill NA 179299 10.98333333 SPP 0 179299 2003 Hurricane 11 coastal areas of
07/01/2003 3:15 a.m. 07/01/2003 3:50 a.m. Arizona Public Service Company WECC Breaker Failure 1,000 47000 0.583333333 WECC 1,000 47000 2003 Equipment Failure 12 phoenix, arizona
07/02/2003 1:45 a.m. 07/02/2003 3:59 a.m. Pacific Gas and Electric Company WECC Unit Tripped 200 1 2.233333333 WECC 200 1 2003 Equipment Failure 13 northern california
07/04/2003 6 a.m. 07/04/2003 10 a.m. We Energies MAIN Severe Thunderstorms 150 52000 4.0 RFC 150 52000 2003 Storm 14 southeast wisconsin
07/05/2003 3 a.m. 07/05/2003 7 a.m. Com Ed MAIN Severe Storms 80 130000 4.0 RFC 80 130000 2003 Storm 15 northern illinois
07/04/2003 9 a.m. 07/06/2003 4 a.m. Consumers Energy ECAR Severe Thunderstorms 75-90 131000 55.0 RFC 83 131000 2003 Storm 16 lower michigan peninsula
07/04/2003 11:41 a.m. 07/06/2003 9 a.m. Cinergy ECAR Severe Storms 200 55142 45.31666667 RFC 200 55142 2003 Storm 17 southwest ohio, portions of indiana
07/07/2003 9 a.m. 07/07/2003 3 a.m. Com Ed MAIN Severe Thunderstorms NA 72000 6.0 RFC 0 72000 2003 Storm 18 northern illinois
07/09/2003 5:14 a.m. 07/09/2003 7:09 a.m. Dominion Virginia/North Carolina Power SERC Severe Thunderstorms 120 80000 1.916666667 SERC 120 80000 2003 Storm 19 northern central and eastern virginia
07/08/2003 4 a.m. 07/11/2003 4 a.m. American Electric Power ECAR Severe Thunderstorms 11,000 134500 84.0 RFC 11,000 134500 2003 Storm 20 ohio
07/15/2003 8:24 a.m. 07/21/2003 10:30 a.m. American Electric Power-Texas Central Company ERCOT Hurricane Claudette 230-300 108000 146.1 ERCOT 265 108000 2003 Hurricane 21 texas
07/21/2003 5:15 a.m. 07/24/2003 5:33 a.m. PPL Electric Utilities MAAC Severe Storms 500-1000 185000 60.3 RFC 750 185000 2003 Storm 22 pennsylvania
07/28/2003 6:55 a.m. 07/28/2003 8:35 a.m. Arizona Public Service WECC Breaker Closed 440 90000 1.666666667 WECC 440 90000 2003 Equipment Failure 23 arizona
08/14/2003 4:10 a.m. 08/14/2003 11:48 a.m. Niagara Mohawk NPCC Unknown * NA 840137 7.633333333 NPCC 0 840137 2003 Other 24 new york- buffalo to albany; ontario, canada to pennsylvania