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SCHEDULE 3 - DISTRIBUTED ENERGY RESOURCES INTERCONNECTION PROCESS <br />3.2.Initial Review Screens <br />The Area EPS Operator shall determine if the DER can be interconnected safely and <br />reliably using Initial Review Screens and without the construction of facilities by the <br />Area EPS Operator. The Initial Review screens include the following engineering <br />screens: <br /> <br />PCC must be on a portion of t <br />Distribution System. <br /> <br />For interconnection of a proposed DER to a radial distribution circuit, the <br />aggregated generation, including the proposed DER, on the circuit shall not <br />exceed 15% of the line section annual peak load as most recently measured or <br />100% of the substation aggregated minimum load. A line section is that portion <br />automatic sectionalizing devices or the end of the distribution line. The Area <br />EPS Operator may consider 100% of applicable loading (i.e. daytime minimum <br />load for solar), if available, instead of 15% of line section peak load. <br /> <br />For interconnection of a proposed DER to the load side of network protectors, <br />the proposed DER must utilize an inverter-based equipment package and, <br />together with the aggregated other inverter-based DERs, shall not exceed the <br />1 <br /> <br /> <br />The proposed DER, in aggregation with other DERs on the distribution circuit, <br />current at the point on the high voltage (primary) level nearest the proposed <br />PCC. <br /> <br />The proposed DER, in aggregate with other Distributed Energy Resources on the <br />distribution circuit, shall not cause any distribution protective devices and <br />equipment (including, but not limited to, substation breakers, fuse cutouts, and <br />line reclosers), or Interconnection Customer equipment on the system to <br />exceed 87.5% of the short circuit interrupting capability; nor shall the <br />interconnection be proposed for a circuit that already exceeds 87.5% of the <br />short circuit interrupting capability. <br /> <br /> <br />1 <br /> Network protectors are protective devices used on secondary networks (spot and grid networks) to <br />automatically disconnect their associated transformers when reverse power flow occurs. Secondary <br />networks are most often used in densely populated downtown areas. <br />3 <br /> <br />178 <br />