NOTICE DATE:  April 30, 2012

NOTICE TYPE:  M-B043012-01 Outage – Retail/Wholesale

SHORT DESCRIPTION:  Planned system maintenance with impacted services    


DAY AFFECTED:  May 3, 2012, 16:30 – 21:30 CDT

LONG DESCRIPTION:  ERCOT will be performing planned system maintenance of the Market Information System (MIS), Current Day Reports (CDR), and Market Information Repository (MIR) databases and applications on May 3, 2012, within a maintenance window of 16:30 – 21:30 CDT.

During this outage window, Market Participants may experience intermittent issues for approximately two hours with the following services:

·         Market submissions and requests via WebServices, Market Manager and Outage Scheduler

·         Report publishing to the ERCOT MIS

·         Downloading of extracts and reports from MIS and WebServices.

During the outage, please use the following URLs to directly access the Market Manager and Outage Scheduler: 



Note that the two hour outage is scheduled to begin at approximately 16:30 CDT; however, this start time may be delayed depending on the current system conditions.

ADDITIONAL INFORMATION:  Reports will be rerun and reposted as applicable. The MIS Dashboards and price displays will not be populated with data during this timeframe.  

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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