NOTICE DATE: October 18, 2018

NOTICE TYPE: M-A101818-01 Outage – Retail/Wholesale

SHORT DESCRIPTION: Planned system maintenance

INTENDED AUDIENCE: ERCOT Market Participants

DAY AFFECTED: October 22, 2018 17:00—17:30

LONG DESCRIPTION: ERCOT will be performing planned system maintenance on October 22, 2018, from 17:00 – 17:30, with no anticipated impact. If any issues occur during the maintenance, Market Participants may experience intermittent response from the following services:

· ERCOT.com – www.ercot.com

· Texas Renewables – www.texasrenewables.com/

· Retail Testing Website – etod.ercot.com

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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