FRCC - Florida Reliability Coordinating Council
MRO - Midwest Reliability Organization
NPCC - Northeast Power Coordinating Council
RFC - ReliabilityFirst Corporation

SERC - SERC Reliability Corporation
SPP - Southwest Power Pool, RE
TRE - Texas Regional Entity
WECC - Western Electricity Coordinating Council

   Note: The Alaska Systems Coordinating Council (ASCC) is an affiliate NERC member.
   Source: North American Electric Reliability Corporation.