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Melanie Frye President and CEO Background Western - PowerPoint PPT Presentation

Reliability Coordination in the Western Interconnection September 18, 2019 Melanie Frye President and CEO Background Western Interconnection has operated with a single RC since 2009 (Peak Reliability) Changing landscape in 2018


  1. Reliability Coordination in the Western Interconnection September 18, 2019 Melanie Frye President and CEO

  2. Background  Western Interconnection has operated with a single RC since 2009 (Peak Reliability)  Changing landscape in 2018 • Peak Reliability announced wind-down • RC West (operated by CAISO) • SPP • BC Hydro • Gridforce 2

  3. 2019 RC Transition 3

  4. Key Considerations  Seams management • Intra-regional interdependence—management of loop flow • Data sharing • Common tools and models • Operation of phase shifting transformers • Compatible SOL methodologies • Identification of IROLs • Outage coordination  FERC approved IRO-002-6 effective January 1, 2020  Certification—tools, processes, training, and procedures 4

  5. Contact: Melanie Frye mfrye@wecc.org 5

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