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Congestion Management Working Group

This update discusses the resignation of Greg Thurnher, nominations for a new Chair and Vice Chair, and updates on the CRR Framework upgrade and Transmission Constraint methodology. It also includes discussions on the Designate Resource Node Procedure and the review of the Operating Procedure Manual for Transmission and Security Desk.

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Congestion Management Working Group

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  1. Congestion Management Working Group April 5, 2017

  2. Leadership • Greg Thurnher has resigned his position • Nominations • Ian Haley – Luminant Energy - Chair • Seeking nominations for a Vice Chair

  3. CRR Framework upgrade

  4. Panhandle Generic Transmission Constraint (GTC) limit methodology • Discussed why real-time limits may differ from the default limits posted in the methodology • The methodology itself was last updated in September 2016 • ERCOT was asked to update the default limits in the methodology, and will propose a timeline for revision at the next meeting • NPRR822, Designate Resource Node Procedure an Other Binding Document and Adjust the Process for Retiring Resource Nodes • Discussed moving the Node to another Node or a Bus

  5. Review of Section 4.1 OPERATING PROCEDURE MANUAL Transmission and Security Desk • Discussion centered around operator management of Houston-area congestion the week of February 20 • ERCOT discussed the concepts of “same element” and “in series” congestion as referenced in the procedure manual • CRR Auction Calendar changes • ERCOT will not be able to seek approval at the May TAC meeting • 3 year auctions will not begin until 2018

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