NOTICE DATE: May 8, 2026

NOTICE TYPE: M-B050826-01 Settlement

SHORT DESCRIPTION: Multiple Settlement Invoices posted for May 7, 2026

INTENDED AUDIENCE: QSE Settlement Personnel

DAYS AFFECTED: May 7, 2026

LONG DESCRIPTION: Between 16:37 and 16:49 on May 7th, 2026, ERCOT posted multiple versions of the Settlement Invoice | NP9-567-SG | Report ID 13087 to all QSEs. At approximately 18:10 the same evening, ERCOT completed the removal of the additional version of the posted Settlement Invoice. Beginning on 18:10 on May 7, 2026, QSEs should only see one posting of the 05/07/2026 Settlement Invoice in their MIS posting location.

ACTION REQUIRED: Any QSEs that downloaded both postings of the STL Invoice prior to the removal, should remove the older version from their database and ensure that the remaining version in their system aligns to what is currently posted to the MIS.

CONTACT: If you have any 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 ClientServices@ercot.com.

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