NOTICE DATE:  October 17, 2017

NOTICE TYPE:  M-A101717-01 General

SHORT DESCRIPTION:  High Lag Times for Market Data Transparency (MDT) Web Services

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED: Ongoing

LONG DESCRIPTION:  ERCOT is experiencing a higher than expected replication lag which is impacting MDT Web Services, which are accessed via the Market Information System (MIS), utilizing Point In Time Selectivity (PITS).  ERCOT IT personnel are aware of the issue and are working to alleviate the high lag times.  Only Web Services are affected by this issue.  If utilizing MDT web services, please be mindful there is a ‘Data available as of’ indication at the top of the request window.

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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