Meeting · LLWG

LLWG Meeting

Concluded date 2025-10-24 time 09:30 committee LLWG ercot.com

LocationERCOT Austin 8000 Metropolis (Building E), Suite 100 Austin, TX 78744 Boardrooms A and B

Dial-in877-668-4493

Agenda 12 items

1. Antitrust Admonition — Bob Wittmeyer (Longhorn Power) · 9:30 am
2.
Overview of ERCOT LL Interconnection and Interim VRT Assessment Process — Agee Springer and Yunzhi Cheng (ERCOT) · 9:35 am
- OCT_LLWG_LLI_Process · Staff Report
3. Status Updates: Effectiveness of Transmission Upgrades in Terms of Loss of Load Reduction — Sun Wook Kang (ERCOT) · 10:20 am
4. 2026 Large Load RFI — Sam Morris (ERCOT) · 10:45 am
5. Single Source for LL Data — Marilyn Jayachandran (ERCOT) · 11:00 am
6. Investigation into Vulnerability of Synchronous Machines to Large Load Subsynchronous Active Power Variation — Jimmy Zhang and Jonathan Rose (ERCOT) Andrew Isaacs (Electranix) · 11:15 am
7. Lunch · 12:00 pm
8.
Recent ERCOT LL Events — Patrick Gravois (ERCOT) · 1:00 pm
- ERCOT Recent Large Load Events_LLWG_24Oct2025 · Staff Report
9.
Load Cluster Study Concepts — Clayton Greer (Cholla) · 1:30 pm
- LLWG-102425-Cluster-Study-Presentation · Staff Report
10. AI Data Center Integration- Stability Risks & Mitigations — Jason MacDowell (GE Vernova) · 2:00 pm
11. EPC Power Agile Grid Forming BESS for AI Loads — M A Awal & Jason Barmann (EPC Power) · 2:30 pm
12. Adjourn · 3:00 pm