SSWG Report to ROS 3-7-2024 Summary
The SSWG report provides updates on ongoing cases, upcoming postings, and revisions to the Procedure Manual. It includes details on the GIC Case build, NB case postings, TPIT updates, PGRR discussions, and more. The Procedure Manual revisions cover changes in definitions, processes, dispatch methodologies, and appendix updates. Questions are also invited for clarification.
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SSWG Report to ROS 3-7-2024 SSWG Chair William Robertson
SSWG Updates: The GIC Case build is ongoing and over half way through. The 24SSWG Case will be our first NB (Node Breaker) case posting. Expecting posting is scheduled for mid-May. SSWG currently has no concerns with meeting this deadline. 24SSWG TPIT 1 Posted January 2024 24SSWG TPIT 2 expected posting May 2024 with 24SSWG Final Cases PGRR106 is still being discussed to try to reach consensus. This item is on our agenda for next week s meeting. PGRR113, SSWG is waiting until approval of this PGRR before making any modifications to the SSWG Procedure Manual. SSWG has this on the agenda for next week s meeting. SSWG has finalized the PM updates and are seeking ROS approval. The following slide showcases all procedure manual (PM) changes SSWG is seeking ROS approval on.
Procedure Manual Revision: Summary of Changes Section 2.1: Definitions and Acronyms Added Definitions for Load Resources (LFL, CLR, NCLR) Added Definition for Large Load Interconnection (LLI) Process Section 4.3.1.4: Distribution Generation Resources, Distribution Energy Storage Resources, and Settlement Only Distribution Generators Added additional language to clarify details of SODG modeling methodology Section 4.3.3: Generation Dispatch Methodology for Planning Purposes Added Battery Energy Storage dispatching methodology for On-Peak Cases Dispatched at a level consistent with CDR Report Updated minimum inertia level requirement for HRML Case Dispatching Increased from 105 GW to 121 GW to comply with DWG request Section 4.3.3.1: Extraordinary Dispatch Conditions Added clarifying language to Extraordinary Dispatch Steps Added indefinite to distinguish mothballed units Section 6 - Appendix A: Updated bus table to include substation ranges for Node-Breaker Modeling Expanded Rayburn County Electric Coop bus range per TSP request Assigned bus range for Tri-County Electric Coop Added additional zone for Oncor Added additional zone for LCRA and updated naming for several existing zones Added additional zone for Garland Power & Light Section 6 - Appendix E: Load ID Prefixes Added new Load ID's to further distinguish Large Loads
