NOTICE DATE: September 28,2023

NOTICE TYPE: M-A092823-01 Operations

SHORT DESCRIPTION: WAN Invoicing Delay for August & September

INTENDED AUDIENCE: All WAN Market Participants

DAYS AFFECTED: Invoice Months of August and September 2023

LONG DESCRIPTION: WAN vendor invoice system changes may result in no WAN bills for some WAN Market Participants for the service dates of August and September 2023. There will be an invoice which includes the missed months on the October/November WAN statements.

ACTION REQUIRED:  During the WAN invoicing delay window, all WAN Participants invoices will continue to accrue and will be billed in the subsequent WAN invoice.

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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