ERCOT - Electric Reliability Council of Texas
FRCC - Florida Reliability Coordinating Council
MRO - Midwest Reliability Organization
NPCC - Northeast Power Coordinating Council

RFC - ReliabilityFirst Corporation
SERC - Southeastern Electric Reliability Council
SPP - Southwest Power Pool
WECC - Western Electricity Coordinating Council

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