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WECC State of the Interconnection (SOTI) Report

WECC State of the Interconnection (SOTI) Report. Matthew Elkins Senior Economist March 13, 2013. WECC Business Objectives. WECC’s business objectives, for the next three to five years, are as follows:

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WECC State of the Interconnection (SOTI) Report

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  1. WECCState of the Interconnection (SOTI) Report Matthew ElkinsSenior Economist March 13, 2013

  2. WECC Business Objectives WECC’s business objectives, for the next three to five years, are as follows: • 1. Execute delegated authority with a high degree of excellence to reduce the frequency and severity of system events • 2. Facilitate the reliable and cost-effective integration of variable generation and non-traditional resources in the Western Interconnection • 3. Improve cost-effectiveness and efficiency of WECC processes to optimize the use of assessments • 4. Produce interconnection-wide studies to support the development of a reliable, robust transmission system and assure resource adequacy • 5. Identify and mitigate potential risks and vulnerabilities to improve system reliability • 6. Increase organizational readiness to respond to external drivers • 7. Provide data and analysis to support informed decisions related to system reliability and efficient competitive power markets

  3. SOTI Objectives The SOTI Report objectives are as follows: • Provide an analysis of historical data as an indicator of the current state of the Western Interconnection • WECC Objective(s): 1. …reduce the frequency and severity of system events 5. Identify… vulnerabilities to improve system reliability 6. …respond to external drivers 7. …support informed decisions related to system reliability • Provide observations that help connect the state of the Interconnection today to the future • WECC Objective(s): 2. Facilitate the reliable…integration of variable generation and non-traditional resources 3. …optimize the use of assessments 4. …support the development of a reliable, robust transmission system and assure resource adequacy • Provide recommendations, where possible, for addressing threats to reliability and gaps in the data and analysis process

  4. SOTI Sections of Analysis • Transmission Outages • Event Analysis • Standards Violations • Adequacy and Planning Margin • Generation Availability* • Misoperations* • Path Flow* • RC Directives* * - New Categories in 2012 SOTI

  5. 2011 SOTI High Level Points of Discussion www.wecc.biz/Planning/PerformanceAnalysis/Documents/2011_WECC_SOTI_Report.pdf

  6. 2011 SOTI - Transmission Outage Data • Historic Data (2008-2010) • Failed AC Substation Equipment Largest Contributor to Outage Duration

  7. 2011 SOTI - Event Analysis

  8. 2011 SOTI - Compliance

  9. 2011 SOTI - Adequacy and Planning Margin

  10. 2012 SOTI Enhancements and Additions

  11. 2012 SOTI - Transmission Outage Data • Historic Data (2008-2011)

  12. 2012 SOTI - Generation Outage Data • Historic Data (2008-2011)

  13. 2012 SOTI - Event Analysis

  14. 2012 SOTI – Sections Still to be Developed • Standards Violations • Misoperations • Path Flow • RC Directives

  15. Matthew Elkins Senior Economist (801) 819-7657 melkins@wecc.biz Questions

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