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DEMSWG: CIM Task Force

Update on WECC CIM goals, common use for power system models exchange, outage management precision, efficiency in modeling maintenance, and more. Answers on CPSM, Pub/Sub, Central Administration, and Proof of Concept with APS, SRP, and CAISO.

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DEMSWG: CIM Task Force

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  1. DEMSWG: CIM Task Force Update on Progress July, 2018

  2. Goals • Common use of CIM that all WECC members can exchange their Power System Models with each other. • One “WECC CIM” model to conform to. • Provide efficiencies in modeling maintenance. • Outage Management is using the entity’s exact model (no interpretation loss). • Minimize the amount work for exporting and importing.

  3. Answers to previous discussion points… • Some classes of the CPSM are not utilized by all entities and in some cases, utilized differently. For example: SubGeographicalRegion is used by CAISO to represent each entity within the ISO and APS uses it for identifying different zones within its footprint. • Naming Conventions and Limitations • Pub/Sub? • Central Administration much like the Westwide model?

  4. Proof of Concept • Right now, APS, SRP, and CAISO are working together on CIM exports for purpose of EIM. However, SRP is exporting CIM 10 due to limitations of EIM export capability by OSI (they are updating CIM15 now). • APS & SRP could be POC with each other outside of EIM. • Can both exchange CIM 15 natively. • Have already met to agree on Tie Line authority and IDs. • Some things to note: • SRP had to identify beyond “SRP” owned modeling to include the additional stations where had ties with APS where APS was owner of tie. Model exports properly. • Each entity has to replace the IDs with the other entity’s IDs if they did not own the tie. Helps with future mergers and performing a delta for incremental updates.

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