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NOTICE DATE:  April 14, 2014

NOTICE TYPE:  M-B021914-04 Release - Retail/Wholesale

SHORT DESCRIPTION:  Implementation of changes to the ERCOT Market Information Repository (MIR)

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  April 14, 2014 from 15:30 through 19:30

LONG DESCRIPTION:  ERCOT has encountered intermittent delays in the posting of a subset of certified CDR reports since the Sunday, April 13, 2014 Phase 1 implementation of the Information Content Exchange (ICE) system. Due to the increasing latency in file postings, ERCOT is accelerating its scheduled ICE Phase 2 implementation. ERCOT will implement ICE Phase 2 beginning at 3:30 pm Monday, April 14, 2014. Market Participants may experience intermittent service interruptions and/or notice slight posting delays during the cutover.

The most prevalent file posting delays are for the following certified reports:



*         NP8-143-CD, QSE Ancillary Services Capacity Monitor, Report Type ID 11025



*         NP6-971-CD, RTD Indicative Base Points by Resources, Report Type ID 13074

ADDITIONAL INFORMATION:  The systems affected include, but are not limited to:



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







o   Report publishing and downloading







o   Current Day Reports (CDRs) without retry functionality may not be rerun for the missed postings during the outage







o   MIS and ERCOT.com dashboards and search functionality







*         Components of the External Web Services (EWS)







o   Submissions should not be impacted during this time





Phase 3, for MIR/ICE systems file naming convention changes, is still scheduled to be implemented on April 22, 2014. Please see the original Market Notice M-B021914-01 for details.

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]<mailto:[log in to unmask]>.

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