NOTICE DATE: June 13, 2022

NOTICE TYPE: M-B050422-03 Operations

SHORT DESCRIPTION: Update - Implementation of NPRR935 and updates related to Solar Forecasting at ERCOT

INTENDED AUDIENCE: All Market Participants, User Security Administrators (USAs), Resource Entities

DAY AFFECTED: June 23, 2022 , 15:30 - 16:30

LONG DESCRIPTION: Updates to the original Market Notice are 1.   Day Affected - June 23, 2022 and 2.  Report title - Intra-Hour Solar Power Forecast by Geographical Region .

ERCOT is in the process of integrating a second vendor to forecast PhotoVoltaic (PV) production potential for every PhotoVoltaic Generation Resource (PVGR). As a part of this effort, ERCOT will implement the remaining section of NPRR935: Post All Wind and Solar Forecasts. On June 23, 2022, the following new reports will be posted on ERCOT.com.  

• Solar Power Production - Actual 5-Minute Averaged Values by Geographical Region | NP4-746-CD | Report Type ID 21810
• Solar Power Production - Hourly Averaged Actual and Forecasted Values by Geographical Region | NP4-745-CD | Report Type ID 21809
• Hourly System-Wide and Regional Solar Forecasts by Model | NP4-443-CD | Report Type ID 21811
• Intra-Hour Solar Power Forecast by Geographical Region | NP4-752-CD | Report Type ID 21812

Additional background on this effort can be reviewed in this Market Notice that was sent on May 4, 2022. More materials were also posted at the meeting page for the workshop titled Update to reports related to Photo Voltaic (PV) Forecasts and Implementation of PV regions  to provide additional details on these changes.

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 [log in to unmask].

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mm