Melanie Frye President and CEO Background Western - - PowerPoint PPT Presentation

Reliability Coordination in the Western Interconnection

September 18, 2019

Melanie Frye

President and CEO

• 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

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Background

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2019 RC Transition

• 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

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Key Considerations

Contact:

Melanie Frye mfrye@wecc.org

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