NOTICE DATE: March 2, 2020

NOTICE TYPE: M-B030201-01 Operations

SHORT DESCRIPTION: Impacts to Intra-Hour Wind and Load Forecast Report postings on March 8, 2020

INTENDED AUDIENCE: ERCOT Market Participants

DAYS AFFECTED: March 8, 2020, 12:00 - 03:00 a.m.

LONG DESCRIPTION: ERCOT has identified issues that will impact the following reports on Daylights Savings Day March 8, 2020, specifically between the hours of 12:00 a.m. to 3:00 a.m. These reports contain the Intra-Hour Wind and Load Forecasts for the next 2 hours on a five minute resolution (i.e. 24 intervals) and are posted every five minutes. On March 8, 2020, the reports posted between 12:00 a.m. to 3:00 a.m., will progressively start missing intervals that correspond to the Daylights Savings hour. Both reports will resume posting for all expected intervals in the reports that are generated on March 8, 2020 after 3:00 a.m.

• Intra-Hour Load Forecast by Weather Zone (EMIL ID: NP3-562-CD, Report Type ID: 16553) on Grid | Forecasts | Portlet: Short-Term System Adequacy
• Intra-Hour Wind Power Forecast By Geographical Region (EMIL ID: NP4-751-CD, Report Type ID: 16554) on Grid | Generation | Portlet: Public Generation Information

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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