NOTICE DATE: January 31, 2017

NOTICE TYPE: M-A013117-01 Outage

SHORT DESCRIPTION: Planned Maintenance Outage

INTENDED AUDIENCE: ERCOT Market Participants

DAY AFFECTED: Thursday, February 9, 2017 17:15 - 23:59

LONG DESCRIPTION: ERCOT will be performing a network upgrade that will impact the Wide Area Network (WAN) on Thursday, February 9, 2017 17:15 - 23:59. During the maintenance window the following systems will be impacted:

· ICCP (Telemetry data) out of Taylor will be impacted but redundancy is available in Bastrop.

· Market Participants connecting over the WAN to the MOTE environment will be unable to connect to Web Services through the WAN during this time. However, Market Participants connecting over the internet to the MOTE environment will not be impacted.

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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