NOTICE DATE:  April 25, 2008

NOTICE TYPE:  W-A042308-03   UPDATE Extracts - Wholesale

CLASSIFICATION: Public

SHORT DESCRIPTION:  Some Extracts were affected as a result of a database failover.

INTENDED AUDIENCE:  QSEs

DAY AFFECTED:  April 21 through April 25, 2008

LONG DESCRIPTION:  Due to a database emergency failover on April 21, 2008 some Extracts were posted with missing data.  ERCOT has determined that extracts from April 22, 2008 to present were affected by an out-of-synch data condition and had to be removed. At this time ERCOT is holding the current posting of these extracts and is working to correct the situation and repost the affected extracts. The following extracts are affected:

Act_Res_Output

Ancillary_Services_Daily

Ancillary_Services_Initial

Bids_and_Schedules_Daily

Bids_and_Schedules_Initial

Forecast_Data_Daily

Forecast_Data_Initial

Market_Information_Daily

Market_Information_Initial

Sched_and_Actual_Load

Self_Sch_Energy_Services

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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