2020 RRS Annual Assessment

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Contents

Preface ...........................................................................................................................3 About This Assessment ..................................................................................................4 Executive Summary ........................................................................................................5 Detailed Review of 2019 Findings ............................................................................ 6 Subregion Reserve Margins............................................................................................7 Capacity Resource Trends..............................................................................................8 Capacity Resource Topics ..............................................................................................9 Demand Projections......................................................................................................10 Transmission Additions .................................................................................................11 Subregional Dashboards/Summaries ..................................................................... 13 SERC Central ...............................................................................................................14 SERC East....................................................................................................................16 SERC FL-Peninsula ......................................................................................................18 SERC MISO-Central .....................................................................................................20 SERC MISO-South .......................................................................................................23 SERC PJM....................................................................................................................25 SERC Southeast ...........................................................................................................27 Special Topics .................................................................................................... 29 Working Group Contributions ........................................................................................30 Long/Near-Term Transmission Summary...................................................................... 32 Seasonal Outlook..........................................................................................................33 Data Concepts and Assumptions ........................................................................... 34 Appendix A Glossary ........................................................................................ 388 Appendix B SERC Membership ............................................................................ 39

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