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Planning Geomagnetic Disturbance Task Force (PGDTF) Update to the ROS

Planning Geomagnetic Disturbance Task Force (PGDTF) Update to the ROS. June 8, 2017 Omar Urquidez PGDTF Chairman. GIC System Model Workshop. What: PGDTF sponsored a Workshop to walk through the GIC System Model Procedure Manual and share experiences with gathering GIC System Model Data

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Planning Geomagnetic Disturbance Task Force (PGDTF) Update to the ROS

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  1. Planning Geomagnetic Disturbance Task Force (PGDTF) Update to the ROS June 8, 2017 Omar Urquidez PGDTF Chairman 6/8/2017 ROS Meeting

  2. GIC System Model Workshop • What: PGDTF sponsored a Workshop to walk through the GIC System Model Procedure Manual and share experiences with gathering GIC System Model Data • When & Where: Morning session of the May 10th PDCWG Meeting • Agenda: • GIC System Model Procedure Manual Walkthrough 30 min CNP • Transformer Data Presentation 30-45 min Oncor • Substation Grounding Resistance Presentation 30-45 min AEP • GIC System Model Supplemental Guidance 30 min CNP • Feedback: • Lots of positive comments and significant participation • PGDTF Contact List more than doubled • Multiple positive follow ups with PGDTF Leadership and ERCOT staff 6/8/2017 ROS Meeting

  3. June 9th Major Meeting Topics • National and State Activities Discussion • GIC Model Submission Update • In-Person GIC Model Review schedule determination • NERC TPL-007-1 Requirement 3 Criteria draft discussion • 057PGRR Board approval possible at June 13th meeting • NERC Enforceable date 7/1/2017 6/8/2017 ROS Meeting

  4. Updated Schedule for GIC System Model • 12/31/2016 – TSP Data for 345 kV System Based on 2021 Summer Peak Case Released on 10/15/2016 Provided to ERCOT. Complete • 3/31/2017 – TSP Data for 138 kV and 69 kV Systems and Update to 345 kV System Data Based on 2021 Summer Peak Case Released on 10/15/2016 Due to ERCOT. Complete • 6/30/2017 – REs’ Updated RARF with GIC System Model Data Due to ERCOT. In-Progress • 9/1/2017 – ERCOT Provides First Pass of GIC System Model for Review to TSPs and REs.In-person meetings for model review. • 10/1/2017 – TSPs and REs Provide GIC Model Changes/Updates to ERCOT. • Subsequent Model Review Passes Will be Scheduled as Needed. • 1/1/2018 – Complete 2021 Summer Peak and 2021 Minimum GIC System Models Using July 2017 SSWG 2021 Summer Peak and 2021 Minimum Base Cases. NERC Enforceable from 7/1/2018 6/8/2017 ROS Meeting

  5. Questions and Answers 6/8/2017 ROS Meeting

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