NOTICE DATE:  September 30, 2009
NOTICE TYPE:  M-A093009-01 Maintenance Outage - NMMS
SHORT DESCRIPTION:  Scheduled Maintenance Outage of the Network Model Management System (NMMS)
INTENDED AUDIENCE:  TDSPs / TSPs
DAY AFFECTED:  Sunday, October 11, 2009, 9:00 AM - 2:00 PM
LONG DESCRIPTION:  NMMS will undergo a maintenance outage from 9:00 AM until 2:00 PM on Sunday, October 11, 2009. The Network Model Management System, currently supporting the Single Entry Model, will be inaccessible due to monthly maintenance.
A subsequent notice will be sent if the maintenance period, for unforeseen reasons, exceeds the communicated end time.
CONTACT:  If you have any questions, please forward them to [log in to unmask]<mailto:[log in to unmask]> or 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]<mailto:[log in to unmask]>.
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kd