NOTICE DATE: March 13, 2015

NOTICE TYPE: M-A031315-01 Outage - MOTE

SHORT DESCRIPTION: MOTE System Unavailable for Testing Tuesday, March 17, 2015 from 17:00 through 18:00

INTENDED AUDIENCE: Market Participants

DAY AFFECTED: March 17, 2015 from 17:00 through 18:00

LONG DESCRIPTION: As a part of the MMS/OS Tech Refresh Project, ERCOT will be upgrading the MMS/OS system and databases in the MOTE environment to new software and hardware versions. This upgrade does not have any impact to Market User Interfaces (MMS/OS UI). The Upgrade will require switching the current MOTE system TIBCO environment to a new MMS/OS MOTE environment resulting in an hour outage to MOTE services from 17:00 to 18:00 on March 17, 2015. During this time MOTE will not be available to the Market for Submissions Testing.

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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