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
04/11/2011 5:40 a.m. 04/11/2011 5:51 a.m. PacifiCorp WECC Suspicious Activity - 0 0.183333333 WECC 0 0 2011 Other 0 salt lake city, utah
04/26/2011 1:04 a.m. 04/26/2011 2 a.m. PacifiCorp WECC Vandalism - 0 0.933333333 WECC 0 0 2011 Vandalism 1 salt lake city, utah
03/27/2011 1:27 a.m. 03/27/2011 5 a.m. Pacific Gas and Electric WECC Transmission Level Outage 295 165000 3.55 WECC 295 165000 2011 Equipment Failure 2 california, sonoma and central valley
03/20/2011 9:44 a.m. 03/21/2011 10 a.m. Los Angeles Department of Water and Power WECC Major Storm UNK 79000 24.26666667 WECC 0 79000 2011 Storm 3 california, los angeles
04/19/2011 2:01 a.m. 04/19/2011 4:04 a.m. Tacoma Power Water Rail (TPWR) WECC Vandalism - 0 2.05 WECC 0 0 2011 Vandalism 4 washington, graham
04/21/2011 7:15 a.m. 04/21/2011 4:50 a.m. PacifiCorp WECC Vandalism - 0 9.583333333 WECC 0 0 2011 Vandalism 5 salt lake city, utah, oquirrh substation
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
03/21/2011 12:35 p.m. 03/21/2011 2:45 a.m. Southern California Edison Company (SCE) WECC Major Storm 150 54332 2.166666667 WECC 150 54332 2011 Storm 7 southern california
01/23/2011 7 a.m. 01/23/2011 1 a.m. PacifiCorp WECC Vandalism - 0 6.0 WECC 0 0 2011 Vandalism 8 franklin county, idaho
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 9 salt lake city, utah
03/13/2011 2:20 a.m. 03/14/2011 3:46 a.m. PacifiCorp WECC Severe Weather UNK 9000 25.43333333 WECC 0 9000 2011 Storm 10 oregon
03/19/2011 11:56 a.m. 03/24/2011 7:10 a.m. Pacific Gas and Electric WECC Major Storm 91 128000 115.2333333 WECC 91 128000 2011 Storm 11 northern and central california
03/11/2011 7:02 a.m. 03/11/2011 9:15 a.m. Pacific Gas and Electric WECC Generation Inadequacy/Load Shed 15 6800 2.216666667 WECC 15 6800 2011 Fuel Supply 12 california, humboldt and eureka
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 13 utah, salt lake city region
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
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 15 university place, washington
02/17/2011 1:25 a.m. 02/19/2011 10:13 a.m. Pacific Gas and Electric WECC Major Storm 91 80000 56.8 WECC 91 80000 2011 Storm 16 northern and central california
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 17 california, roseville
02/02/2011 6:22 a.m. 02/02/2011 9:57 a.m. Salt River Project WECC Generation Inadequacy/Load Shed 3,963 69000 3.583333333 WECC 3,963 69000 2011 Fuel Supply 18 central arizona
02/02/2011 7:24 a.m. 02/02/2011 10:23 a.m. El Paso Electric Company WECC Generation Inadequacy/Load Shed 280 178000 14.98333333 WECC 280 178000 2011 Fuel Supply 19 dona ana and el paso counties, texas and hudspeth county, new mexico
02/25/2011 8 a.m. 02/28/2011 5:30 a.m. Pacific Gas and Electric WECC Winter Storm 91 80000 81.5 WECC 91 80000 2011 Storm 20 northern and central california
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
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 22 newman power plant, texas
05/02/2011 8:52 a.m. 05/02/2011 10:46 a.m. PacifiCorp WECC Vandalism - 0 1.9 WECC 0 0 2011 Vandalism 23 utah, n. ogden substation, ogden
04/28/2011 4:09 a.m. 04/28/2011 4:10 a.m. Mesquite Power, LLC WECC Equipment Malfunction 960 0 0.016666667 WECC 960 0 2011 Equipment Failure 24 phoenix, arizona