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
05/21/2004 2 a.m. 05/24/2004 noon Cleveland Electric Illuminating Company ECAR Severe Thunderstorms 177 on 5/21/04 between 3:00 p.m. and 5:00 p.m. 127000 70.0 RFC 177 127000 2004 Storm 0 cleveland area
05/21/2004 2 a.m. 05/24/2004 noon Ohio Edison ECAR Severe Thunderstorms 133 on 5/21/04 between 3:00 a.m. and 4:00 a.m., 392 on 5/21/04 between 4:00 p.m. and 5:00 p.m. 281000 70.0 RFC 133 281000 2004 Storm 1 akron and youngstown areas
05/11/2004 3:30 a.m. 05/11/2004 6 a.m. CenterPoint Energy ERCOT Strong Thunderstorms Approx. 85 0 2.5 ERCOT 85 62500 2004 Storm 2 houston, texas and surrounding suburban areas
05/03/2004 2:30 a.m. 05/03/2004 7 a.m. Southern California Edison WECC Heat Storm 662 0 4.5 WECC 662 940 2004 Storm 3 central and southern california
04/27/2004 12:35 p.m. 04/30/2004 noon Snohomish County PUD #1 WECC Strong Winds Approx. 300 187000 71.41666667 WECC 300 187000 2004 Storm 4 snohomish county washington
04/12/2004 5:30 a.m. 04/12/2004 10:15 a.m. Florida Power & Light FRCC Storm with High Winds 250 179000 4.75 FRCC 250 179000 2004 Storm 5 fpl's service territory mostly in naples and ft. myers florida
04/10/2004 8 a.m. 04/11/2004 4 a.m. CenterPoint Energy ERCOT Thunderstorms Approx. 100 0 20.0 ERCOT 100 85000 2004 Storm 6 houston, texas and surrounding suburban areas
03/17/2004 1:27 a.m. 03/17/2004 2:06 a.m. El Paso Electric Company WECC Faulty Switch Approx. 300 0 0.65 WECC 300 100000 2004 Equipment Failure 7 texas, el paso
03/08/2004 6:22 a.m. 03/09/2004 6:55 a.m. Southern California Edison WECC Inadequate Resources 300 0 24.55 WECC 300 70000 2004 Fuel Supply 8 southern california not including la
03/07/2004 6:30 a.m. 03/09/2004 8 a.m. Duke Energy Company/Duke Power Control Area SERC Severe Storm 1,000 206000 37.5 SERC 1,000 206000 2004 Storm 9 north and south carolina
03/04/2004 5 a.m. 03/16/2004 2:45 a.m. Electric Reliability Council of Texas ERCOT High Winds - Severe Storm Less than 300 63000 297.75 ERCOT 300 63000 2004 Storm 10 north texas
02/26/2004 noon 02/26/2004 1:30 a.m. Southern Company SERC Severe Storm 10 47165 1.5 SERC 10 47165 2004 Storm 11 georgia
02/25/2004 12:01 p.m. 02/26/2004 10 a.m. Pacific Gas and Electric Company WECC Winter Storm 240 505000 33.98333333 WECC 240 505000 2004 Storm 12 northern california
02/17/2004 2:45 a.m. 02/17/2004 11:57 a.m. Crockett Cogeneration WECC Lightning struck Intertie Breaker 220 0 9.2 WECC 220 0 2004 Lightening 13 california, san francisco bay area
02/14/2004 8 a.m. 02/16/2004 noon National Grid (Niagara Mohawk) NPCC Public Appeal to Reduce Load Approx. 30 18600 40.0 NPCC 30 18600 2004 Voluntary Reduction 14 lake colby, lake placid, tupper lake
02/05/2004 8 a.m. 02/09/2004 8 a.m. Allegheny Power MAAC Ice Storm 60 87456 96.0 RFC 60 87456 2004 Cold 15 maryland, northern virginia, southeastern west virginia, northern pennsylvania and south central pennsylvania
01/28/2004 1:09 a.m. 01/29/2004 5 a.m. Baltimore Gas & Electric Company MAAC Ice Storm Approx. 300 0 15.85 RFC 300 70000 2004 Cold 16 maryland, harford county
01/26/2004 4 a.m. 01/29/2004 6:30 a.m. Progress Energy - Carolinas (Carolina Power and Light) SERC Ice Storm 475 9905 62.5 SERC 475 9905 2004 Cold 17 central and eastern north carolina and northern and eastern south carolina
01/26/2004 2 a.m. 01/27/2004 8 a.m. Southern Company SERC Ice Storm Less than 150 30689 30.0 SERC 150 30689 2004 Cold 18 north and central area of georgia
01/26/2004 10 a.m. 01/28/2004 8 a.m. South Carolina Electric and Gas SERC Ice Storm 500-700 150000 46.0 SERC 600 150000 2004 Cold 19 central south carolina
01/14/2004 6 a.m. 01/17/2004 noon National Grid NPCC Public Appeal to Reduce Load 100 18600 78.0 NPCC 100 18600 2004 Voluntary Reduction 20 new york, lake placid/saranac
01/08/2004 3 a.m. 01/10/2004 7 a.m. National Grid NPCC Public Appeal to Reduce Load 100 18600 52.0 NPCC 100 18600 2004 Voluntary Reduction 21 new york, lake placid/saranac
01/07/2004 noon 01/10/2004 5 a.m. Puget Sound Energy WECC Snow Storm 150 145000 89.0 WECC 150 145000 2004 Cold 22 king county
01/01/2004 7:30 a.m. 01/02/2004 4 a.m. Pacific Gas and Electric Company WECC Winter Storm 170 263000 32.5 WECC 170 263000 2004 Storm 23 northern california
12/28/2003 9 a.m. 01/01/2004 11:30 a.m. Pacific Gas and Electric WECC Winter Storm 160 241000 86.5 WECC 160 241000 2003 Storm 24 northern california