NOTICE DATE: November 15, 2013

NOTICE TYPE: M-C111513-01 Planned Outage - Retail/Wholesale

SHORT DESCRIPTION: ERCOT’s Enterprise Data Warehouse planned maintenance outage

INTENDED AUDIENCE: ERCOT Market Participants

DAY AFFECTED: November 20, 2013

LONG DESCRIPTION: ERCOT’s Enterprise Data Warehouse will be taken offline on November 20, 2013 from 18:00 to 19:00 for planned maintenance.

During the outage the following systems may not be available:

· Historic searches using Find Transaction/Find ESIID

· Market Data Transparency Web Services

· Extract Subscriber

· NDCRC

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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