1. TEPPC Review Task Force Ian McKay, Chair, TEPPC W ESTERN E LECTRICITY C OORDINATING C OUNCIL

2. Overview Progress to Date TEPPC Products New Product Next Steps 2 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

3. Progress to Date Jan 11 In-Person Meeting Expectations, Strengths, Opportunities & Challenges February 5-6 In-Person Meeting Products & Services Anchor Data Set March 10 (Scheduled) In-Person Meeting TEPPC Processes Anchor Data Set Planning Cycle TEPPC/PCC Relationship Governance 3 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

4. TEPPC Strengths Interconnection-Wide Perspective ImpartialIndependentPace-Setting Broad Stakeholder Process Stakeholder- Driven Open/ Inclusive Transparent Analysis CompleteExpert-Driven Environmental Review 4 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

5. TEPPC Opportunities Understanding and Response Change (e.g., Technology) Reliability Risks Physical and Cyber Security Development and Analysis Snapshot of Western Interconnection Common Data Base Across Models Potential Risks of Large-Scale PV Implementation Coordination and Outreach Western Planning Regions Stakeholders 5 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

6. TEPPC Challenges Challenges Complete Reliability Assessment Competing Interests for Data Release Change in General (Scope, Pace, Management) Efficiency and Prioritization Relevance of Work TEPPC Role WRT FERC Order 1000 Software Development Risks 6 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

7. TEPPC Products Data 10-Year Common Case 20-Year Reference Case Anchor Data Set Environmental Data Tools Production Cost Model Long-Term Planning Tool Capital Cost Calculator Round Trip Functionality Analyses 10-Year Study Cases 20-Year Study Cases Reliability Impact Analyses Library of Potential Transmission Options Other Products 20-Year Scenario Planning Process Integrated Transmission and Reliability Analysis Independent Stakeholder Review Process Study Program Development Process 7 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

8. Potential New Product—Anchor Data Set Data Provided from Multiple Sources BAs Planning Regions LSEs Data Used in WECC’s Planning Models and Reports Power Flow Model Production Cost Model NERC Reports (e.g., LTRA ) Data Quality Protocol Ensure high-quality data Establish quality Control Process Anchor Data Set Consistent Data Submittal Process and Standards Consistent Data Set Reference Point for Sensitivities and Other Studies 8 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

9. Product Development Process Review flowchart for each product Look for efficiencies Make sure right organizations are doing the work Recommend preferred process 9 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

10. TEPPC and PCC Relationship TEPPCPCC 10 W ESTERN E LECTRICITY C OORDINATING C OUNCIL Are there opportunities for greater collaboration and efficiency?

11. Next Steps March-April Continue Reviewing Issues as Directed by WECC Board of Directors April Draft Final Report of TRTF Activities Post Report for Stakeholder Review May Receive Stakeholders’ Comments Prepare Final Report Based on Comments June Final Report to WECC Board of Directors Begin Drafting Charter and Protocol July Complete Draft Charter and Protocol Post for Stakeholder Review 11 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

12. Next Steps – cont. August Finalize Revised Charter and Protocol September Submit Charter and Protocol to WECC Board for Consideration January, 2017 Implement Approved Charter and Protocol 12 W ESTERN E LECTRICITY C OORDINATING C OUNCIL