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Information Technology Report

In April 2023, ERCOT's IT systems met all Service Level Agreements (SLA) targets across Market Operations, Market Data Transparency, Retail Market, and Grid Operations. Notably, MarkeTrak experienced a 40-minute outage due to an unresponsive application, which was resolved by a simple application restart. A data warehouse corruption during Disaster Recovery testing led to rebuilding the database and re-establishing replication. Daily Market Notices will inform stakeholders about extract updates. Overall, retail processing remained unaffected.

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Information Technology Report

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  1. Information Technology Report Trey Felton Manager, IT Service Delivery ERCOT Public

  2. Highlights Service Availability – April • Market Operations IT systems met all SLA targets • Market Data Transparency IT systems met all SLA targets • Retail Market IT systems met all SLA targets • Grid Operations IT Systems met all SLA targets April: • MarkeTrak experienced a 40 minute outage due to an unresponsive application (4/4) • Resolution: Restarted application May: • Production data warehouse became corrupted during Disaster Recovery testing (5/3) • Database was rebuilt and validated on 5/6 • Replication has been re-established and catching up • Extracts are being posted as they become available and are validated • Market Notices will be sent daily with posting updates • Impacts: • Delayed extracts • Find ESIID and Find Transaction taken offline Friday (5/3) at 7:43AM, and re-enabled at 11:04AM • Retail processing not affected, although initial Market Notice indicated it was down • Root Cause: Human error during Disaster Recovery testing • Short Term Solution: Process change to data warehouse replication procedures ERCOT Public

  3. System Availability ERCOT Public

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