NOTICE DATE:  April 9, 2008

NOTICE TYPE:  M-A040908-01 Outage - Retail/Wholesale   

CLASSIFICATION:  Public

SHORT DESCRIPTION:  ERCOT had an unplanned outage of the Enterprise Application Integration (EAI) system.

INTENDED AUDIENCE:  All Market Participants

DAY AFFECTED:  April 8, 2008 from 4:50 PM to 5:35 PM

LONG DESCRIPTION:  ERCOT experienced an unplanned outage of the Enterprise Application Integration (EAI) system yesterday, Tuesday, April 8, 2008, from 4:50 PM to 5:35 PM.   The systems and processes affected were:

• Retail transaction processing
• Texas Market Link (TML) ESI ID lookup functionality
• TML Report Explorer
• MarkeTrak API
• TML transaction services
• TML Scheduling Extracts and Data Requests

During this outage, ERCOT was not processing inbound Retail transactions.  All backlogged transactions have processed.

This outage was the result of a data storage limitation.  The data store file was compressed and processing resumed.

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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DP/TR