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
08/29/2005 3:50 a.m. 09/10/2005 noon Tennessee Valley Authority SERC Hurricane Katrina 119 323529 284.1666667 SERC 119 323529 2005 Hurricane 0 tennessee, alabama, mississippi
08/29/2005 7:10 a.m. 08/29/2005 10 a.m. Southern Company SERC Hurricane Katrina 5,120 512049 14.83333333 SERC 5,120 512049 2005 Hurricane 1 florida, alabama, mississippi
08/29/2005 7:10 a.m. 09/07/2005 3 a.m. Progress Energy Florida FRCC Hurricane Katrina disrupted fuel supply in the Gulf of Mexico. Public appeals for conservation were issued. - 0 223.8333333 FRCC 0 0 2005 Hurricane 2 seminole, polk, orange, lake, highlands, madison, osceola, counties of alachua, jefferson, bay, volusia and wakulla, taylor, suwannee, sumter, pinellas, marion, levy, lafayette, hernando, hamilton, gulf, gilchrist, franklin, dixie, columbia, citrus, pasco, hardee
08/29/2005 6 a.m. 08/30/2005 6 a.m. Entergy Corporation SPP Hurricane Katrina N/A 0 24.0 SPP 0 1100000 2005 Hurricane 3 louisiana, buras
08/29/2005 1:10 a.m. 08/29/2005 12:42 p.m. Louisiana Generating, LLC SPP Hurricane Katrina 300 143000 11.53333333 SPP 300 143000 2005 Hurricane 4 east and southeast louisiana
08/25/2005 3:31 a.m. 08/25/2005 8 a.m. Southern California Edison Company WECC CAISO initiated interruption of interruptible and firm load due to declaration of Transmission Emergency in Southern California 864 409000 4.483333333 WECC 864 409000 2005 Fuel Supply 5 southern california
08/25/2005 3:50 a.m. 08/25/2005 8 a.m. California ISO WECC CAISO determined there was inadequate electric resources to serve load. Public appeals and a shedding of interruptible and firm load occurred. - 0 4.166666667 WECC 0 0 2005 Fuel Supply 6 southern california
08/20/2005 2:15 a.m. 08/20/2005 4:21 a.m. American Electric Power -AEP West ECAR Severe Thunderstorms 650 50797 2.1 RFC 650 50797 2005 Storm 7 northwest arkansas
08/19/2005 7:37 a.m. 08/19/2005 8:15 a.m. Puerto Rico Electric Power Authority PR Voltage Reduction/Load Shed 259 71864 0.633333333 Other 259 71864 2005 Fuel Supply 8 island of puerto rico
08/08/2005 12:38 p.m. 08/08/2005 4 a.m. Crockett Cogeneration WECC Plant Tripped 240 0 3.366666667 WECC 240 0 2005 Equipment Failure 9 california, san francisco bay area
08/01/2005 10:28 a.m. 08/01/2005 10:47 a.m. Puerto Rico Electric Power Authority PR Voltage Reduction/Load Shed 175 47116 0.316666667 Other 175 47116 2005 Fuel Supply 10 island of puerto rico
07/28/2005 8:30 a.m. 08/01/2005 5 a.m. Duke Energy Company/Duke Power Control Area SERC Severe Thunderstorm 300 52200 92.5 SERC 300 52200 2005 Storm 11 piedmont north and south carolina
07/27/2005 6 a.m. 07/29/2005 4 a.m. Baltimore Gas and Electric Company MAAC Severe Thunderstorms N/A 87600 46.0 RFC 0 87600 2005 Storm 12 maryland, baltimore county, anne arundel county and prince georges county
07/27/2005 5:50 a.m. 07/30/2005 9:07 a.m. Potomac Electric Power Company (Pepco) MAAC Severe Thunderstorm N/A 64943 75.28333333 RFC 0 64943 2005 Storm 13 maryland, washington, montgomery and prince georges counties, dc
07/27/2005 4:50 a.m. 07/28/2005 9:24 a.m. PECO Energy MAAC Severe Thunderstorms N/A 93837 28.56666667 RFC 0 93837 2005 Storm 14 delaware, pennsylvania, bucks, chester, montgomery and philadelphia counties
07/23/2005 1:02 a.m. 07/26/2005 10:50 a.m. Potomac Electric Power Company MAAC Severe Thunderstorms N/A 55118 81.8 RFC 0 55118 2005 Storm 15 maryland, washington, montgomery and prince georges counties, dc
07/22/2005 1:55 a.m. 07/22/2005 6 a.m. Southern California Edison Company WECC CA ISO Stage 2 -Initiated interruption of Air Conditioner Cycling Interruptible Load Program 206 133900 4.083333333 WECC 206 133900 2005 Voluntary Reduction 16 southern california
07/21/2005 2:39 a.m. 07/21/2005 5:30 a.m. Southern California Edison Company WECC CA ISO Stage 2 -Initiated interruption of Air Conditioner Cycling Interruptible Load Program 197 128050 2.85 WECC 197 128050 2005 Voluntary Reduction 17 southern california
07/10/2005 12:53 p.m. 07/11/2005 5:33 a.m. Alabama Electric Coop Inc. SERC Hurricane Dennis 51 50000 28.66666667 SERC 51 50000 2005 Hurricane 18 southwest alabama and western panhandle of florida
07/10/2005 8 a.m. 07/12/2005 8 a.m. Southern Company SERC Hurricane Dennis 45 228102 48.0 SERC 45 228102 2005 Hurricane 19 florida, alabama, georgia, mississippi
07/05/2005 9 a.m. 07/06/2005 9 a.m. Entergy Corporation SPP Tropical Storm Cindy unknown 287000 12.0 SPP 0 287000 2005 Hurricane 20 southeast and northeast, louisiana including the new orleans area
07/02/2005 1:27 a.m. 07/02/2005 1:46 a.m. Puerto Rico Electric Power Authority PR Load Shedding 226 132290 0.316666667 Other 226 132290 2005 Fuel Supply 21 island of puerto rico
07/01/2005 noon 07/01/2005 noon Southwestern Public Service Company ERCOT Fuel Supply - Deficiency Coal Rail Transporation Interruption - 0 0.0 ERCOT 0 0 2005 Fuel Supply 22 texas, new mexico, oklahoma, kansas
06/29/2005 4:30 a.m. 07/04/2005 11:30 a.m. DTE Energy ECAR Strong Thunderstorm/High Winds 1,000 114711 127.0 RFC 1,000 114711 2005 Storm 23 southeast michigan
06/28/2005 11:30 a.m. 06/28/2005 11:30 a.m. Public Service Company of Colorado WECC Fuel Supply Deficiency/Coal Rail Transportation Interruption - 0 0.0 WECC 0 0 2005 Fuel Supply 24 denver metropolitan area of colorado