Meeting · LLWG
LLWG Meeting
LocationERCOT Austin 8000 Metropolis (Building E), Suite 100 Austin, TX 78744 Met B and C
VirtualWebEx / Teams
Dial-in877-668-4493
Agenda 10 items
- 1. Antitrust Admonition — Bob Wittmeyer (Longhorn Power) · 9:30 am
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2.
PGRR 115 Implementation Updates
— Agee Springer (ERCOT)
· 9:35 am
- NPRR1234_PGRR115_Implementation_Update_July2025 · Project Documents
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3.
ERCOT LEL Ride-Through Criteria (Proposal)
— Patrick Gravois (ERCOT)
· 9:45 am
- ERCOT LEL Ride-Through Criteria_LLWG final · Staff Report
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4.
Vertiv “UPS as LVRT/FRT solution – Current Capabilities & Future Possibilities”
— Parag Mehresh (Vertiv)
· 10:30 am
- Vertiv_UPS_VoltageRideThrough_11July2025 · Stakeholder Presentation
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5.
Large Load Subsyncronous Oscillation Overview
— Jeff Billo (ERCOT)
· 11:15 am
- Large Load SSO Primer · Staff Report
- 6. Lunch · 12:00 pm
- 7. Eaton - Data Centers – A Good Grid Citizen — Keith Watson (Eaton) · 1:15 pm
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8.
EPRI/PNNL Joint Presentation on Data Center UPS and Ride-Through
— Brett Ross (PNNL) Parag Mitra (EPRI)
· 2:30 pm
- EPRI_Data Center Modeling for Transmission Planning Studies_ERCOTLLWG · Third Party Study
- PNNL_ERCOT_UPS_Presentation_Outline · Stakeholder Presentation
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9.
FAQ Development for next meeting
— Bob Wittmeyer (Longhorn Power)
· 3:20 pm
- FAQ - Stakeholder Questions on Large Loads · Staff Report
- 10. Adjourn · 3:30 pm