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    Planning

    This page provides current information on long-term planning in the ERCOT region. 

    Current Information

    • ERCOT System Operating Limit (SOL) MethodologyNew_win
      This document identifies the methodology for determining System Operating Limits (SOLs) and Interconnection Reliability Operating Limits (IROLs), in the planning and operations time horizons, as required by NERC FAC-010 and FAC-011 to be used by the ERCOT Planning Authority/Reliability Coordinator as well as all applicable NERC Registered Transmission Operators and Transmission Planners in the ERCOT Region.
    • Planning Horizon Transmission Capability MethodologyNew_win
      This document identifies the planning processes and procedures for calculating Transmission Capacities to satisfy NERC FAC-012 and FAC-013.

    Key Documents