NOTICE DATE: October 16, 2020
NOTICE TYPE: M-A101620-01 Outage - Retail/Wholesale
SHORT DESCRIPTION: Planned system maintenance with impacted services
INTENDED AUDIENCE: ERCOT Market Participants
DAY AFFECTED: October 20, 2020 15:30 - 17:00; October 21, 2020, 10:30 – 12:00 and 17:00 – 20:00
LONG DESCRIPTION: ERCOT will be performing planned system maintenance of several databases and applications on October 20 and October 21, 2020.
During the October 20, 2020 15:30 - 17:00 outage window, some services available through the Market Information System (MIS) will be unavailable, including the following:
- Report publishing to the ERCOT MIS
- Downloading of extracts and reports from the MIS and EWS
- Find ESIID and Find Transaction
- Market Data Transparency (MDT) Web Services
- Extract Subscriber
- ERCOT Market Information List (EMIL) Web Interface
During the October 21, 2020, 10:30 – 12:00 outage window, Market Participants may experience intermittent issues with the following services:
- Find ESIID
During the October 21, 2020, 17:00 – 20:00 outage window, all services available through the Market Information System (MIS) will be unavailable, including the following:
- 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
- The following ERCOT internet services:
- Market Data Transparency (MDT) Web Services
- Extract Subscriber
- Find ESIID and Find Transaction
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
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 October 21, 2020, 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 ClientServices@ercot.com.
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