ERCOT TAC — Market Operations, Large Load & Winter Storm Fern — February 25, 2026

Recording of the ERCOT Technical Advisory Committee (TAC) regular meeting held February 25, 2026. Duration: 5 hours 15 minutes 56 seconds. The meeting covered revision request prioritization, large load interconnection, winter storm analysis, dispatchable reliability reserve service, IBR modeling requirements, and grid transformation planning. Key Topics Revision request prioritization and status update: 51 "not yet started" items, 91 delivered since 2020 OBDRR 55: proposed non-spin reserve deployment/recall procedure revisions and enhanced offline non-spin trigger NPRR 1315 (Contracts for Capacity): local-only framework targeting Far West Texas reliability Dispatchable Reliability Reserve Service (DRRS): NPRR 1310 and NPRR 1309 demand curve development Large Load Working Group: Grid Astra tool running 16,000 contingencies per run in under one minute NOGR 245: IBR owner compliance with model updates, settings changes, and hardware upgrades NPRR 1314: relocation of terms and acronyms from planning guides to protocols (PRS unanimous approval) ERCOT Grid Transformation (GRIT) team update and PRS leadership transition Chapters 00:00:03 Beth Garza (Independent Market Monitor (IMM)) 00:01:28 Bill Barnes (Unknown (IREP segment)) 00:08:01 Anne Boren (ERCOT) 00:10:05 Troy (ERCOT) 00:21:32 Keith Collins (ERCOT) 00:23:37 Louise Nossa (ERCOT) 00:30:22 Shams Siddiqi (Crescent Power / Hunt Energy Network) 00:32:16 Reshmi Narendrula / Resmi Surendran (ERCOT / Former ERCOT) 00:51:48 Seth (Unknown) 01:01:57 Freddie (ERCOT (System Planning)) 01:08:43 Kent Withrow (Customized Energy Solutions) 01:13:02 Ian Haley (Morgan Stanley) 01:23:26 Harika Basara (Public Utility Commission of Texas (PUC)) 01:26:55 Martha Henson (Oncor) 01:27:56 Matt Marinus (ERCOT) 01:36:34 John Rasubbard / John Russ Hubbard (TIEC) 01:38:40 Chris Matos (Google) 01:45:53 Sam Brandon (Agenteq) 01:47:16 Patrick (ERCOT) 01:51:17 Durga (Unknown) 02:03:55 AG Springer (ERCOT) 02:14:36 Evan (Lansing) 02:18:18 Bharat Rall (Crusoe) 02:42:25 Dave Maggio (ERCOT (departing)) 02:45:38 Andrew Reimers (Unknown (called in from airport)) 02:57:27 Blake Holt (LCRA (WMS Chair)) 02:58:29 Kevin Hansen (Varenchee) 03:08:38 David Key (CTS Energy (RTCB Task Force Chair)) 03:11:50 Ryan King (ERCOT) 03:23:46 Mark Dreyfus (Unknown (Commercial Consumer representative)) 03:27:48 Mitch Modi (BASS Power Company) 03:29:44 Jennifer Schmidt (Rhythm) 03:38:52 Blake Cole (LCRA) 03:54:26 Caitlin Smith (Jupiter Power) 04:08:55 Prashant Kansal (ERCOT (Grid Transformation/GRIT Team)) 04:48:16 Diana Coleman (ERCOT (PRS Chair))