The San Diego Gas & Electric’s (SDG&E) transmission system (69 kV and above) is under the operational control of the California Independent System Operator (CAISO). Interconnection of generation facilities to the SDG&E transmission system is subject to the CAISO Federal Energy Regulatory Commission (FERC) approved Generation Interconnection Procedures (GIP) tariff. Projects proposing to interconnect to the SDG&E transmission system (transmission lines and transmission substations) are studied in a cluster. In o