George Zhou, VGITF Chair October 14, 2015 Salt Lake City, Utah Variable Generation Interconnection Task Force Update to PCC

2 Develop a document to: Share Lessons Learned or Best Practices on Variable Generation (VG): o Interconnection requirements o Modeling o Operations Address some recommendations in the NERC report dated March 2012 Collect information from areas with high VG penetration to assist areas with emerging VG Assignment from PCC

3 Background

4 PCC Decision to Start VGITF – October 2014 Outline – March 2015 First Draft – July 2015 Final Draft – October 2015 Final Paper for Approval – March 2016 Progress

5 Who are the Target Readers? o Planning Personnel Wind, Solar Bulk Transmission Interconnection Planning and Operation Issues Scope

6 Introduction Reactive Power and Voltage Control Active Power and Frequency Control System Studies o Scope o Models Commercial Operations o Test o Monitoring Other Issues o Harmonics o SSR Contents

7 What is the desire of PCC: More Materials Gathered on Wind or Less? More or Less Materials gathered on Planning? More or Less Materials gathered on Operations? Content Question to PCC

8 Publish as a White Paper upon PCC Approval – March 2016 o Complete Draft – 11/15/15 o WECC Editorial Changes – 12/15/15 o Public Comments – 1/15/2016 o Final Draft for PCC Approval – mid-February 2016 Other Options? Future Activities of this Task Force o Next Phase with Focus on Solar, Energy Storage Next Steps for Consideration

9 George Zhou (650) Ann Finley (213) Nathan Powell (801) Contacts