NOTICE DATE: May 23, 2023

NOTICE TYPE: M-A052323-01 General

SHORT DESCRIPTION: Revised 2021 AML data posted for each LSE – 2023 QTR3

INTENDED AUDIENCE: Qualified Scheduling Entities (QSEs), Load Serving Entities (LSEs)

DAYS AFFECTED: May 23, 2023

LONG DESCRIPTION: As required by the Electric Reliability Organization (ERO) Fee Assessment and Collection Guide, Section 3.2, when a Load Serving Entity (LSE) ceases to transact in the ERCOT Region, ERCOT will recalculate the ERO fee and post Adjusted Metered Load (AML) data for each LSE.

As the result of one LSE exiting the Market subsequent to the calculation of the second quarter 2023 ERO fee, ERCOT has revised LSE AML shares for 2021. The revised 2021 shares have been posted and will be used in the calculation of the third quarter 2023 ERO fee.

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 [log in to unmask].

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dg/nb