* Study impacts of major * Assess reliability Special Assessment public policy initiatives implications of the State resulting in changes to Implementation Plans to 4 X X the electric system comply with Clean Power Plan, upon approval of final Rule * Enhance WECC’s * Develop capability to Report on frequency response capability to assess measure frequency trends 3,4 X Essential Reliability response for each base case Services * Understand plausible * Create 10 and 20-Year Production Cost Model for futures in which future scenarios for the Year 10 timeframe 4 X potential reliability risks Western Interconnection Capital Expansion Model for could arise Year 20 timeframe * Accept study requests and create appropriate study cases using the 10 and 4 X X future scenarios to understand the potential reliability impact to the BES Identification and * Continue assessment Produce and publish Special Assessment Mitigation of Key of vulnerabilities and WECC's State of the Vulnerabilities influence proactive Interconnection 3 X X X X measures with industry * Create a comprehensive Interconnection-wide Risk risk assessment of the Report 3 X X X X Western Interconnection
* Study impacts of major public policy initiatives resulting in changes to the electric system * Assess reliability implications of the State Implementation Plans to comply with Clean Power Plan, upon approval of final Rule 4 Special Assessment X X * Enhance WECC’s capability to assess Essential Reliability Services * Develop capability to measure frequency response for each base case 3,4 Report on frequency response trends X * Understand plausible futures in which potential reliability risks could arise * Create 10 and 20-Year future scenarios for the Western Interconnection 4 Production Cost Model for Year 10 timeframe Capital Expansion Model for Year 20 timeframe X * Accept study requests and create appropriate study cases using the 10 and future scenarios to understand the potential reliability impact to the BES 4 X X Identification and Mitigation of Key Vulnerabilities * Continue assessment of vulnerabilities and influence proactive measures with industry Produce and publish WECC's State of the Interconnection 3 Special Assessment X X X X * Create a comprehensive risk assessment of the Western Interconnection 3 Interconnection-wide Risk Report X X X X
06b%20Operating%20Plan%202017-2020.docx