NOTICE DATE:  August 30, 2010

NOTICE TYPE:  M-A083010-01 Outage

SHORT DESCRIPTION:  Zonal/Nodal Application outages on August 30, 2010

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED: August 30, 2010, from 14:40 until 15:30

LONG DESCRIPTION: Several applications experienced an outage during a server upgrade from 14:40 until 15:30 on August 30, 2010.

The impacted applications were as follows:

• Nodal Market Information System (MIS)
• MOSTML
• Nodal and Zonal Outage Scheduler

All applications are back in service, and ERCOT is investigating why the applications did not respond as designed during routine maintenance activities.

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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dh