NOTICE DATE: September 24, 2024

NOTICE TYPE: M-C092424-01 General

SHORT DESCRIPTION: Planned system maintenance with impacted services

INTENDED AUDIENCE: All Market Participants

DAYS AFFECTED: September 25, 2024, 5:00 PM to 6:00 PM

LONG DESCRIPTION: ERCOT will be performing planned maintenance on the ERCOT.com website, the ERCOT Market Information System (MIS) website, and the ERCOT mobile app from 5:00 PM to 6:00 PM on Wednesday, September 25, 2024.

Market Participants may experience brief, intermittent interruption to data on:

• ERCOT.com public dashboards
• The ERCOT mobile app public dashboards
• The ERCOT Market Information List (EMIL)
• Data products on Market Information System (MIS)

Once the maintenance is complete at 6:00 p.m., refreshing the browser or closing and reopening the mobile app should resolve these issues.

CONTACT: If you have any questions or issues, please submit a request via our Contact Us page. Select the “WEBSITE/INFORMATION TECHNOLOGY ISSUES” category.

If you are receiving email from a public 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.

dg