The North American Reliability Council is broken into several sub-regions as
shown at the right. ECAR - East Central Reliability Coordination Agreement. ERCOT - Electric Reliability Council of Texas. MAAC - Mid-Atlantic Area Council. MAIN - Mid-America Interconnected Network. MAPP - Mid-Continent Area Power Pool. Affiliates Include: ASCC - Alaska Systems Coordinating Council. NPCC - Northeast Power Coordinating Council. SERC - Southeastern Electric Reliability Council. SPP - Southwest Power Pool. WSCC - Western Systems Coordinating Council.