NOTICE DATE: January 25, 2012

NOTICE TYPE: M-A012512-01 Outage – Retail/Wholesale

SHORT DESCRIPTION: Planned system maintenance with impacted services

INTENDED AUDIENCE: Renewable Energy Credit Program Participants

DAY AFFECTED: January 27, 2012

LONG DESCRIPTION: ERCOT will be performing planned system maintenance of the Renewable Energy Credit Program (Texas Renewables Website) on January 27, 2012, within a maintenance window of 15:00 – 18:00 CST. During this system maintenance, the Texas Renewables Website will be unavailable for approximately 180 minutes.

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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