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
03/08/2011 8 a.m. 03/18/2011 9 a.m. AES Somerset NPCC Fuel Supply Deficiency (Coal) 676 0 241.0 NPCC 676 0 2011 Fuel Supply 0 western new york
03/14/2011 7:30 a.m. 03/14/2011 4:55 a.m. Baltimore Gas & Electric RFC Suspected Cyber Attack N/A 0 9.416666667 RFC 0 0 2011 Cyber 1 maryland, baltimore
02/17/2011 1 a.m. 02/23/2011 4:53 a.m. City of Roseville (Roseville Electric) WECC Suspected Cyber Attack - 0 147.8833333 WECC 0 0 2011 Cyber 2 california, roseville
03/06/2011 2:54 a.m. 03/08/2011 8 a.m. PacifiCorp WECC Vandalism UNK 0 53.1 WECC 0 0 2011 Vandalism 3 utah, salt lake city region
03/10/2011 12:03 p.m. 03/11/2011 6 a.m. ERCOT ISO TRE Suspected Physical Attack N/A 0 17.95 ERCOT 0 0 2011 Vandalism 4 texas
02/09/2011 2:54 a.m. 02/09/2011 5 a.m. Tacoma Power - TPWR WECC Vandalism - 0 2.1 WECC 0 0 2011 Vandalism 5 university place, washington
02/10/2011 1 a.m. 02/10/2011 1 a.m. Tacoma Power - TPWR WECC Vandalism - 0 0.0 WECC 0 0 2011 Vandalism 6 washington, lagrande
02/09/2011 4:30 a.m. 02/10/2011 12:33 p.m. ERCOT ISO TRE Cold Weather Event N/A 0 20.05 ERCOT 0 0 2011 Cold 7 texas
02/25/2011 10:30 a.m. 02/25/2011 10:45 a.m. PacifiCorp WECC Vandalism - 0 0.25 WECC 0 0 2011 Vandalism 8 salt lake city, utah
01/11/2011 11:08 a.m. 01/11/2011 11:08 a.m. New Athens Generating Co. LLC NPCC Electrical Fault at Generator - 0 0.0 NPCC 0 0 2011 Equipment Failure 9 athens, new york
02/24/2011 4:51 a.m. 02/24/2011 4:54 a.m. American Electric Power (CSWS-SPP) SPP Electrical System Separation (Islanding) 4 0 0.05 SPP 4 0 2011 Equipment Failure 10 arkansas
03/01/2011 8 a.m. 03/05/2011 9:30 a.m. AES Somerset NPCC Fuel Supply Deficiency (Coal) 675 0 97.5 NPCC 675 0 2011 Fuel Supply 11 western new york
01/27/2011 5 a.m. 01/30/2011 5 a.m. AES Greenidge, LLC NPCC Fuel Supply Deficiency (Coal) 108 0 60.0 NPCC 108 0 2011 Fuel Supply 12 central new york
01/25/2011 3:23 a.m. 01/25/2011 11 a.m. Atlantic City Electric RFC Vandalism - 0 7.616666667 RFC 0 0 2011 Vandalism 13 newark, delaware
01/26/2011 9:25 a.m. 01/27/2011 5 a.m. NV Energy WECC Suspected Telecommunications Attack - 0 31.58333333 WECC 0 0 2011 Cyber 14 carson city, nevada
01/18/2011 2 a.m. 01/18/2011 2 a.m. National Grid NPCC Vandalism - 0 0.0 NPCC 0 0 2011 Vandalism 15 massachusetts, whitman, auburn st substation
01/26/2011 9:33 a.m. 01/27/2011 3:03 a.m. ITC Transmission RFC Vandalism - 0 29.5 RFC 0 0 2011 Vandalism 16 michigan
01/27/2011 9:30 a.m. 01/27/2011 9:30 a.m. Delmarva Power & Light Company RFC Vandalism - 0 0.0 RFC 0 0 2011 Vandalism 17 delaware, hockessin
01/23/2011 7 a.m. 01/23/2011 1 a.m. PacifiCorp WECC Vandalism - 0 6.0 WECC 0 0 2011 Vandalism 18 franklin county, idaho
02/19/2011 4:34 a.m. 02/19/2011 4:34 a.m. Delmarva Power & Light Company RFC Vandalism - 0 0.0 RFC 0 0 2011 Vandalism 19 delaware, harrington
02/02/2011 5 a.m. 02/03/2011 10 a.m. Southwestern Public Service SPP Fuel Supply Deficiency (Natural Gas) UNK 0 29.0 SPP 0 0 2011 Fuel Supply 20 texas panhandle, southeastern new mexico
02/03/2011 3 a.m. 02/04/2011 noon San Diego Gas and Electric Company WECC Fuel Supply Deficiency (Natural Gas) N/A 0 21.0 WECC 0 0 2011 Fuel Supply 21 san diego area, california
02/03/2011 2:30 a.m. 02/03/2011 2:30 a.m. Potomac Electric Power Co/PEPCO Holdings Inc. RFC Suspected Cyber Attack N/A 0 0.0 RFC 0 0 2011 Cyber 22 maryland, bowie
01/24/2011 1:20 a.m. 01/24/2011 1:30 a.m. El Paso Electric Company WECC Suspicious Activity - 0 0.166666667 WECC 0 0 2011 Other 23 newman power plant, texas
03/15/2011 6 a.m. 03/15/2011 7:14 a.m. Entergy Services, Incorporated TRE Suspected Physical Attack N/A 0 1.233333333 ERCOT 0 0 2011 Vandalism 24 texas, the woodlands