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
12/06/2013 1:51 a.m. 12/11/2013 noon Oncor Electric Delivery Company LLC TRE Severe Weather - Ice/Snow Unknown 881000 130.15 ERCOT 0 881000 2013 Cold 0 texas, greater houston
12/22/2013 3:28 a.m. 12/28/2013 11:45 a.m. Consumers Energy Co RFC Severe Weather - Ice/Snow Unknown 50000 164.2833333 RFC 0 50000 2013 Cold 1 michigan, southern lower penninsula
02/08/2013 8:55 a.m. 02/12/2013 4 a.m. ISO New England/NSTAR NPCC Severe Weather - Winter Storm Nemo Unknown 50000 79.08333333 NPCC 0 50000 2013 Cold 2 boston area and southeast massachusetts
11/17/2013 7 a.m. 11/20/2013 6:54 a.m. Detroit Edison Co RFC Severe Weather - Ice and Snow Storm Unknown 325325 83.9 RFC 0 325325 2013 Cold 3 michigan
12/09/2013 6:54 a.m. 12/09/2013 2:22 a.m. Dominion Virginia Power SERC Severe Weather - Ice/Snow 293 88000 7.466666667 SERC 293 88000 2013 Cold 4 virginia service territory
12/22/2013 6:30 a.m. 12/25/2013 5:12 a.m. Detroit Edison Co RFC Severe Weather - Ice/Snow 350 140735 70.7 RFC 350 140735 2013 Cold 5 michigan
01/17/2013 7:02 a.m. 01/19/2013 6 a.m. Tennessee Valley Authority SERC Severe Weather - Winter Storm Unknown 80000 46.96666667 SERC 0 80000 2013 Cold 6 northeast tennessee
02/08/2013 8 a.m. 02/11/2013 8:30 a.m. ISO New England/National Grid NPCC Severe Weather - Winter Storm Nemo N/A 50000 72.5 NPCC 0 50000 2013 Cold 7 central and eastern massachusetts; rhode island
12/25/2012 12:45 p.m. 12/28/2012 4:15 a.m. Entergy SPP Severe Weather - Winter Storm Unknown 242509 87.5 SPP 0 242509 2012 Cold 8 arkansas; louisiana; mississippi; texas
03/06/2013 8:22 a.m. 03/07/2013 10:27 a.m. Dominion Virginia Power SERC Severe Weather - Winter Storm 400 233000 26.08333333 SERC 400 233000 2013 Cold 9 northwest virginia
01/17/2013 6:07 a.m. 01/20/2013 7:30 a.m. American Electric Power (AEP) RFC Severe Weather - Winter Storm Unknown 127000 73.38333333 RFC 0 127000 2013 Cold 10 southwest virginia, southern west virginia
01/19/2012 7 a.m. 01/20/2012 3 a.m. Puget Sound Energy WECC Severe Weather - Winter Storm 1,600 426000 32.0 WECC 1,600 426000 2012 Cold 11 washington, king, pierce and thurston counties
12/22/2013 6:16 a.m. 12/24/2013 11:59 a.m. Niagara Mohawk Power Corp. NPCC Severe Weather - Ice/Snow Unknown 59000 65.71666667 NPCC 0 59000 2013 Cold 12 frontier/genesee/northern new york
01/31/2011 10 a.m. 02/03/2011 noon Duke Energy Midwest RFC Ice Storm 996 272880 62.0 RFC 996 272880 2011 Cold 13 southwestern ohio and indiana
03/02/2012 9 a.m. 03/04/2012 5:30 a.m. Consumers Energy RFC Severe Weather - Winter Storm 50 140000 44.5 RFC 50 140000 2012 Cold 14 michigan, lower peninsula
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 15 texas
03/02/2012 9 a.m. 03/05/2012 4:30 a.m. Detroit Edison, Subsidiary of DTE Energy RFC Severe Weather - Winter Storm 371 130000 67.5 RFC 371 130000 2012 Cold 16 michigan, southeastern
02/19/2012 5 a.m. 02/21/2012 7:33 a.m. American Electric Power SERC Severe Weather - Winter Storm UNK 90000 38.55 SERC 0 90000 2012 Cold 17 virginia, west virginia, kentucky
10/30/2012 2 a.m. 11/01/2012 10 a.m. Detroit Edison Co RFC Severe Weather - Nor'easter Unknown 133777 136.0 RFC 0 133777 2012 Cold 18 greater detroit michigan
10/29/2012 7 a.m. 11/02/2012 5 a.m. American Electric Power RFC; SERC Severe Weather - Nor'easter Unknown 173273 63.0 RFC 0 173273 2012 Cold 19 indiana; kentucky; michigan; ohio
12/02/2012 5:20 a.m. 12/04/2012 9 a.m. Pacific Gas & Electric Co WECC Severe Weather - Winter Storm 250 125000 51.66666667 WECC 250 125000 2012 Cold 20 northern california
02/26/2013 1 a.m. 03/01/2013 10 a.m. Associated Electric Coop, Inc SERC Severe Weather - Winter Storm Nemo Unknown 56444 69.0 SERC 0 56444 2013 Cold 21 northern missouri
12/25/2012 9:28 a.m. 12/26/2012 4:28 a.m. CenterPoint Energy TRE Severe Weather - Cold Front, High Winds 294 262000 31.0 ERCOT 294 262000 2012 Cold 22 texas, houston
01/07/2014 6:18 a.m. 01/07/2014 6:19 a.m. PJM Interconnection RFC Severe Weather - Cold Unknown 0 0.016666667 RFC 0 0 2014 Cold 23 pennsylvania
12/23/2013 3:20 a.m. 12/25/2013 11:32 a.m. Central Maine Power Co NPCC Severe Weather - Ice/Snow Unknown 52500 44.2 NPCC 0 52500 2013 Cold 24 central maine maine