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 • Peak Reliability announced wind-down • RC West (operated by CAISO) • SPP • BC Hydro • Gridforce 2
2019 RC Transition 3
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
Contact: Melanie Frye mfrye@wecc.org 5
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