NOTICE DATE:  September 22, 2015

NOTICE TYPE:  M-A082015-06 Release – Retail/Wholesale

SHORT DESCRIPTION:  Rescheduled - Implementation of market-facing changes for September 2015

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  September 21 - 25, 2015

LONG DESCRIPTION:  ERCOT will begin implementing the previously delayed R5 deployments for the market-facing changes in the production environment this evening, Tuesday, September 22, 2015. These changes were originally scheduled for September 21 - 25, 2015. The delay was due to ongoing activities communicated in Market Notice M-A09202015-01, Unplanned Outage of some ERCOT systems, for fail-over activities which were completed yesterday, Monday, September 22, 2015. 

ADDITIONAL INFORMATION:  ERCOT systems may experience intermittent service interruptions during the implementation period. The systems include, but are not limited to:

• Market Management System User Interface

o During this outage, please use https://mis.ercot.com/mmsui/mmsui/displayTradesLanding.action to directly access the Market Manager

• Components of the ERCOT Market Information System (MIS) including:

o Report publishing to the MIS

o Downloading of extracts and reports from MIS and External Web Services (EWS)

o Market Data Transparency (MDT) Web Services

o MIS and ERCOT.com dashboards and displays

• Net Dependable Capability and Reactive Capability (NDCRC)
• Market Participant Identity Management (MPIM)

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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mm