Table 8.13.A. U.S. Transmission Circuit Sustained Automatic Outage Counts and Hours by Cause Code and by NERC Region, 2015
 

  AC & DC Circuit Outage Counts
Sustained Outage Causes frcc mro npcc rfc serc spp tre wecc Contiguous U.S.
TOTAL -- -- -- -- -- -- -- -- --

 

  Percentage of Total AC & DC Circuit Outage Counts
Sustained Outage Causes FRCC MRO NPCC RFC SERC SPP TRE WECC Contiguous U.S.
TOTAL -- -- -- -- -- -- -- -- --

 

  AC & DC Circuit Outage Hours
Sustained Outage Causes frcc mro npcc rfc serc spp tre wecc Contiguous U.S.
TOTAL -- -- -- -- -- -- -- -- --

 

  Percentage of Total AC & DC Circuit Outage Hours
Sustained Outage Causes FRCC MRO NPCC RFC SERC SPP TRE WECC Contiguous U.S.
TOTAL -- -- -- -- -- -- -- -- --

Notes:
Detailed information on the Transmission Availability Data System outage causes is available at:
http://www.nerc.com/docs/pc/tadswg/Appendix%207%2020101202a%20clean.pdf
Source: U.S. Energy Information Administration, Form EIA-411, "Coordinated Bulk Power Supply Program Report."