Southwest Power Pool published the following report on July 26, 2021. In a special meeting of SPP’s Board of Directors and Members Committee, SPP’s Comprehensive Review Steering Committee and staff recommended that the board: 1. Accept its report, “A Comprehensive Review of Southwest Power Pool’s response to the February 2021 Winter Storm”. 2. Direct work to begin immediately on recommendations that address root causes (Tier 1). 3. Direct organizational prioritization of work needed to address remaining recommendations. 4. Direct staff to provide quarterly updates on status of progress being made. 5. Direct staff to submit for board approval in October a project plan of activities needed to resolve the tier 1 recommendations. 6. Direct issuance of letters to all generator operators in the SPP region requiring them to inform SPP about their plans to have and maintain fuel necessary to assure availability of all generation treated as accredited capacity for the upcoming winter season. 7. Direct staff to perform additional root cause analyses to explain the failure of natural gas fuel supply during the weather event needed to better inform SPP’s three fuel assurance recommendations. A A COMPREHENSIVE REVIEW OF SOUTHWEST POWER POOL’S RESPONSE TO THE FEBRUARY 2021 WINTER STORM ANALYSIS AND RECOMMENDATIONS By Southwest Power Pool Published on July 19, 2021 Version 1.0 Southwest Power Pool, Inc. A Comprehensive Review of SPP’s Response to the February 2021 Winter Storm CONTENTS TABLE OF FIGURES .............................................................................................................................................................. 5 EXECUTIVE SUMMARY ........................................................................................................................................................ 6 Key Observations ....................................................................................................................................................................................................... 8 Recommendations .................................................................................................................................................................................................... 9 Fuel Assurance ..................................................................................................................................................................................................................... 11 Resource Planning and Availability ............................................................................................................................................................................... 11 Emergency Response Processes and Planning.......................................................................................................................................................... 12 Operator Tools, Communication and Process ........................................................................................................................................................... 12 Seams Agreements ............................................................................................................................................................................................................. 13 Market Design ...................................................................................................................................................................................................................... 13 Transmission Planning ....................................................................................................................................................................................................... 13 Credit and Settlements...................................................................................................................................................................................................... 14 Communications ................................................................................................................................................................................................................. 14 COMPREHENSIVE REVIEW PROCESS .............................................................................................................................. 15 Operations Review ................................................................................................................................................................................................. 16 Scope of Work ..................................................................................................................................................................................................................... 18 Financial Review ...................................................................................................................................................................................................... 19 Scope of Work ..................................................................................................................................................................................................................... 19 Communications Review ..................................................................................................................................................................................... 20 Scope of Work ..................................................................................................................................................................................................................... 20 Regional State Committee Review.................................................................................................................................................................. 22 Scope of Work ..................................................................................................................................................................................................................... 22 Market Monitoring Unit Review ....................................................................................................................................................................... 23 EVENTS OF FEB. 4-20......................................................................................................................................................... 24 Review of Feb. 4-20 Activities ........................................................................................................................................................................... 26 Weather .................................................................................................................................................................................................................................. 26 Early Forecasts ...................................................................................................................................................................................................................... 27 Conservative Operations and Other Preparatory Activities................................................................................................................................... 27 Energy Emergency Alerts and Public Appeals ........................................................................................................................................................... 27 Controlled Interruptions of Service ............................................................................................................................................................................... 28 Return to Normal Operations ......................................................................................................................................................................................... 29 Early Generation Commitments ..................................................................................................................................................................................... 30 Load ......................................................................................................................................................................................................................................... 32 Load Forecasting ................................................................................................................................................................................................................. 33 Wind Forecasting ................................................................................................................................................................................................................ 34 Monday, Feb. 15: In-Depth Review ............................................................................................................................................................................... 35 Tuesday, Feb. 16: In-Depth Review ............................................................................................................................................................................... 37 Wednesday, Feb. 17-Friday, Feb. 19: Overview of Operations ............................................................................................................................. 39 Southwest