NOTICE DATE:  September 30, 2008

NOTICE TYPE:  W-A093008-01  Settlements

CLASSIFICATION: Public

SHORT DESCRIPTION:  Statement Timestamps incorrect for hourly Charge Types

INTENDED AUDIENCE:  QSE Settlement personnel

DAY AFFECTED:  Operating Days September 8 – 16, 2008

LONG DESCRIPTION:  There was a formatting issue with Initial Settlement Statements for Operating Days September 8 – 16, 2008. On the Settlement Statement details page there was an error with the timestamps. All hourly charge types were time stamped as if they were 15-minute charge types.

All quantities and amounts were correct, however they were timestamped incorrectly. All statements that posted beginning on Monday September 29, 2008 are correct. ERCOT will not repost affected statements and asks that market participants work around the issue for those dates. Market Participants that are having significant issues with the statements are encouraged to contact ERCOT if assistance is needed to work around the issue.

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 e-mail at [log in to unmask].

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