Electric Power Monthly

Data for March 2015  |  Release Date: May 26, 2015  |  Next Release: June 26, 2015 
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Table B.1 Major Disturbances and Unusual Occurrences, Year-to-Date 2015

Year Month Event Date and Time Restoration Date and Time Duration Utility/Power Pool NERC Region Area Affected Type of Disturbance Loss (megawatts) Number of Customers Affected
2015 1 01/07/2015 5:00 PM 01/08/2015 8:35 AM 15 Hours, 35 Minutes Tennessee Valley Authority SERC Tennessee, Kentucky, Virginia, North Carolina, Georgia, Alabama, Missouri Public appeal to reduce the use of electricity - Severe Weather - Winter Unknown Unknown
2015 1 01/07/2015 5:00 PM 01/08/2015 8:35 AM 15 Hours, 35 Minutes Memphis Light Gas and Water Division SERC Tennessee Public appeal to reduce the use of electricity - Severe Weather - Winter Unknown Unknown
2015 2 02/06/2015 8:58 PM . . . Hours, . Minutes Pacific Gas & Electric Co WECC Northern California Loss of electric service to more than 50,000 customers for 1 hour or more - Severe Weather - Wind Unknown 65000
2015 2 02/16/2015 9:00 PM 02/18/2015 2:00 PM 41 Hours, 0 Minutes Tennessee Valley Authority SERC Tennessee, Kentucky, Virginia, North Carolina, Georgia, Alabama, Missouri Loss of electric service to more than 50,000 customers for 1 hour or more - Severe Weather- Winter Unknown 67189
2015 2 02/16/2015 9:41 PM 02/18/2015 7:00 AM 33 Hours, 19 Minutes Southern Company SERC Northern/North Eastern, Georgia Loss of electric service to more than 50,000 customers for 1 hour or more - Severe Weather- Winter 620 186035
2015 2 02/17/2015 2:12 AM 02/18/2015 4:00 PM 37 Hours, 48 Minutes Duke Energy Carolinas SERC North Carolina, South Carolina Loss of electric service to more than 50,000 customers for 1 hour or more - Severe Weather- Winter Unknown 68000
2015 2 02/17/2015 9:00 AM 02/18/2015 11:00 PM 38 Hours, 0 Minutes Duke Energy Progress SERC North Carolina, South Carolina Loss of electric service to more than 50,000 customers for 1 hour or more - Severe Weather- Winter Unknown 52000
2015 2 02/18/2015 3:00 PM 02/20/2015 9:00 AM 42 Hours, 0 Minutes Tennessee Valley Authority SERC Tennessee, Kentucky, Virginia, North Carolina, Georgia, Alabama, Missouri Public appeal to reduce the use of electricity - Severe Weather- Winter Unknown Unknown
2015 2 02/20/2015 6:00 AM 02/20/2015 10:00 AM 4 Hours, 0 Minutes Duke Energy Progress SERC North Carolina, South Carolina System-wide voltage reductions of 3 percent or more - Severe Weather- Winter Unknown Unknown
2015 2 02/21/2015 8:34 AM 02/21/2015 12:45 PM 4 Hours, 11 Minutes Tennessee Valley Authority SERC Fentress County, Tennessee Loss of electric service to more than 50,000 customers for 1 hour or more - Severe Weather- Winter Unknown 50000
2015 2 02/26/2015 3:12 AM 02/26/2015 8:00 PM 16 Hours, 48 Minutes Duke Energy Progress SERC North Carolina, South Carolina Loss of electric service to more than 50,000 customers for 1 hour or more - Severe Weather- Winter Unknown 124000
2015 2 02/26/2015 3:30 AM 02/27/2015 12:00 PM 32 Hours, 30 Minutes Duke Energy Carolinas SERC North Carolina Loss of electric service to more than 50,000 customers for 1 hour or more - Severe Weather- Winter 400 103776
2015 3 03/15/2015 3:30 PM 03/15/2015 7:00 PM 3 Hours, 30 Minutes Portland General Electric Co WECC Greater Portland & Salem , Oregon Loss of electric service to more than 50,000 customers for 1 hour or more - Severe Weather - Wind 210 71000
2015 3 03/22/2015 4:25 PM 03/22/2015 4:26 PM 0 Hours, 1 Minutes AES Laurel Mountain, LLC RFC West Virginia Suspected Physical Attack - Vandalism 24 0
2015 3 03/26/2015 3:21 PM 03/26/2015 4:59 PM 1 Hours, 38 Minutes Pacific Gas & Electric Co WECC Contra Costa County, California Electrical System Separation (Islanding) where part or parts of a power grid remain(s) operational - System Operations 15 Unknown

Note: Customers affected are estimates and are preliminary.
Source: Form OE-417, 'Electric Emergency Incident and Disturbance Report.'