NOTICE DATE: April 22, 2024

NOTICE TYPE: W-A042224-01 Settlements

SHORT DESCRIPTION: Resettlement for the ERS Standard Contract Term of June 1, 2023 – September 30, 2023

INTENDED AUDIENCE: QSE settlement personnel

DAYS AFFECTED: June 1, 2023 – September 30, 2023

LONG DESCRIPTION: ERCOT recently discovered an error in the Settlement of Emergency Response Service (ERS) for the deployment that occurred on September 6, 2023.  Protocol Section establishes that ERS ramp periods are considered to begin at the completion of a Verbal Dispatch Instruction (VDI).  The deployments on September 6, 2023 were inadvertantly settled based on the XML message rather than the VDI.  Resettlement is necessary to correctly account for ERS deployment based on the time of the VDI rather than the XML.  Because only Non-Weather-Sensitive (NWS) ERS Resources were deployed during the September 6, 2023 event, no ERS payment adjustment will be included in the resettlement of Weather-Sensitive (WS) ERS Resources

The June 1, 2023 - September 30, 2023 ERS Standard Contract Term (SCT) was settled on Operating Day October 24, 2023.  Accordingly, ERCOT will post resettlements for the June – September 2023 SCT on the True-up Settlement Statement of Operating Day October 24 , 2023.

Pursuant to Protocol Section 9.14.5(2), "ERS disputes filed based on a change in Load after the True-Up Settlement will be approved only if the Qualified Scheduling Entity's (QSE’s) Load changes by 10% or more." ERCOT will resolve approved ERS disputes no later than 30 Business Days after the ERS resettlement was posted.

CONTACT: If you have questions about the ERS program, please send an email to [log in to unmask]. If you have any other questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via email at [log in to unmask].

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