NOTICE DATE: December 8, 2023
NOTICE TYPE: M-A120823-01 Outage - Retail/Wholesale
SHORT DESCRIPTION: Planned system maintenance with impacted services
INTENDED AUDIENCE: ERCOT Market Participants
DAYS AFFECTED: December 12, 2023 09:30 – 11:30; December 12, 2023 13:00 – 15:00; December13, 2023 17:00 – 20:00
LONG DESCRIPTION: ERCOT will be performing planned system maintenance of several databases on December 12 -13, 2023.
During the December 12, 2023 09:30 – 11:30 outage window, Market Participants may experience intermittent issues with the following services:
During the December 12, 2023 13:00 – 15:00 outage window, Market Participants may experience intermittent issues with the following services:
- Market Data Transparency (MDT) Web Services
- Extract Subscriber
During the December 13, 2023 17:00 – 20:00 outage window, all services available through the Market Information System (MIS) will be unavailable, including the following:
- 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 (MUI) - https://mis.ercot.com/mui-ercot-ihedge/
- Find ESIID and Find Transaction
- Market Participant Identity Manager (MPIM)
- Market Data Transparency (MDT) Web Services
- Extract Subscriber
- Service Requests
- 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. ERCOT.com dashboard displays will not be populated with data during the December 13, 2023 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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