NOTICE DATE: May 10, 2019
NOTICE TYPE: M-A051019-01 Outage – Retail/Wholesale
SHORT DESCRIPTION: Planned system maintenance with impacted services
INTENDED AUDIENCE: ERCOT Market Participants
DAYS AFFECTED: May 15, 2019 09:30 - 12:00, May 15, 2019 17:00 - 20:00, May 16, 2019 10:00 - 12:00, May 16, 2019 16:30 - 18:30
LONG DESCRIPTION: ERCOT will be performing planned system maintenance of several databases and applications on May 15 - 16, 2019.
During the May 15, 2019 09:30 – 12:00 outage window, Market Participants may experience intermittent issues with the following services:
During the May 15, 2019 17:00 – 20:00 outage window, all services available through the Market Information System (MIS) will be unavailable, including the following:
During this outage window, please use the following URLs to directly access the Market Manager, CRR Market User Interface, and Outage Scheduler:
During the May 16, 2019 10:00 – 12:00 outage window, Market Participants may experience intermittent issues with the following service:
During the May 16, 2019 16:30 – 18:30 outage window, Market Participants may experience intermittent issues with the following services:
Texas Renewables –
Retail Testing Website -
ERCOT Interconnection Services (GINR) - https://sa.ercot.com/ginr/
Note that the outage start times may be delayed depending on the current system conditions.
ADDITIONAL INFORMATION: Reports will be rerun and reposted as applicable. The MIS Dashboards and ERCOT.com price displays will not be populated with data during the May 15, 2019 17:00 – 20:00 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 .
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