NOTICE DATE:  March 23, 2009

NOTICE TYPE:  M-A032309-01   Outage – Report Explorer

SHORT DESCRIPTION:  The Report Explorer functionality of the Texas Market Link (TML) experienced an outage in service from 9:15 PM to 10:05 PM on Sunday, March 22, 2009.

INTENDED AUDIENCE:  ERCOT Market Participants

DAYS AFFECTED:  March 22, 2009

LONG DESCRIPTION:  The Report Explorer functionality of the Texas Market Link (TML) experienced an outage in service from 9:15 PM to 10:05 PM on Sunday, March 22, 2009.  Reports could not be downloaded from Report Explorer during that time.

The root cause was the Enterprise Application Integration (EAI) becoming unresponsive. EAI was recycled and Report Explorer functionality was restored.

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]">[log in to unmask].

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JR/DH