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NOTICE DATE: March 13, 2019
NOTICE TYPE: M-A031319-01 Outage - Retail/Wholesale
SHORT DESCRIPTION: Planned system maintenance with impacted services
INTENDED AUDIENCE: ERCOT Market Participants
DAYS AFFECTED: March 20, 2019 09:30 - 12:00, March 20, 2019 17:00 - 20:00, March 21, 2019 10:00 - 12:00, March 21, 2019 16:30 - 18:30
LONG DESCRIPTION: ERCOT will be performing planned system maintenance of several databases and applications on March 20 - 21, 2019.
During the March 20, 2019 09:30 - 12:00 outage window, Market Participants may experience intermittent issues with the following services:
********* Find ESIID
During the March 20, 2019 17:00 - 20:00 outage window, all services available through the Market Information System (MIS) will be unavailable, including the following:
********* Market submissions and requests via External Web Services (EWS), Market Manager and Outage Scheduler
********* Report publishing to the ERCOT MIS
********* Downloading of extracts and reports from the MIS and EWS
********* Net Dependable Capability and Reactive Capability (NDCRC)
********* Congestion Revenue Right (CRR) Market User Interface
********* Find ESIID and Find Transaction
********* Market Participant Identity Manager (MPIM)
********* Market Data Transparency (MDT) Web Services
********* Extract Subscriber
********* Service Requests
During this outage window, please use the following URLs to directly access the Market Manager, CRR Market User Interface, and Outage Scheduler:
* https://mis.ercot.com/mmsui/mmsui/displayTradesLanding.action
* https://mis.ercot.com/mui-ercot-ihedge/
* https://mis.ercot.com/osrui/osrui/Summary.action
During the March 21, 2019 10:00 - 12:00 outage window, Market Participants may experience intermittent issues with the following services:
********* ERCOT.com
During the March 21, 2019 16:30 - 18:30 outage window, Market Participants may experience intermittent issues with the following services:
********* Market Participant Identity Manager (MPIM)
********* The following ERCOT internet services:
o Texas Renewables - www.texasrenewables.com
o Retail Testing Website - etod.ercot.com<https://etod.ercot.com/>
o ERCOT Interconnection Services (GINR) - https://sa.ercot.com/ginr/
********* Market Data Transparency (MDT) Web Services
********* Extract Subscriber
********* Net Dependable Capability and Reactive Capability (NDCRC)
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 March 20, 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 [log in to unmask]<mailto:[log in to unmask]>.
If you are receiving email from an ERCOT distribution list that you no longer wish to receive, please follow this link in order to unsubscribe from this list: http://lists.ercot.com.
sa
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