NOTICE DATE: June 16, 2023


SHORT DESCRIPTION: Implementation Details of NPRR1135

INTENDED AUDIENCE: All Market Participants

DAYS AFFECTED: June 28, 2023

LONG DESCRIPTION:  On June 28, 2023, Protocol language associated with Nodal Protocol Revision Request (NPRR) 1135, Add On-Line Status Check for Resources Telemetering OFFNS for Ancillary Service Imbalance Settlements, will be implemented.

NPRR1135 modifies the definition of the Real-Time Generation Resources with an Off-Line Non-Spin Schedule (RTOFFNSHSL) to allow non-zero values for this billing determinant only if the Resource was Off-Line when it telemetered OFFNS. 

ADDITIONAL INFORMATION: Pursuant to Nodal Protocol Section 21.6, Nodal Protocol Revision Implementation, ERCOT is required to provide notice as soon as practicable, but no later than ten days prior to implementation.

NPRR1135 and associated documents can be found on the ERCOT website.

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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