NOTICE DATE: October 17, 2024

NOTICE TYPE: M-A101724-01 NPRR

SHORT DESCRIPTION: Nodal Operating Guide Section 6.1 Disturbance Monitoring Requirements Changes

INTENDED AUDIENCE: Transmission Service Providers (TSPs) and Resource Entities (REs)

DAYS AFFECTED: August 1, 2024 

LONG DESCRIPTION: On August 1, 2024, Nodal Operating Guide Revision Request (NOGRR) 255, High Resolution Data Requirements, went into effect enhancing many requirements in Nodal Operating Guide Section 6.1, Disturbance Monitoring Requirements. Changes include equipment location requirements, data requirements, recording requirements, data retention requirements, reporting requirements, and maintenance and testing requirements for disturbance monitoring equipment. Disturbance monitoring equipment includes fault recording, sequence of event recording, dynamic disturbance recording, and phasor measurement unit equipment. Applicable Facility owners shall install and configure all the applicable disturbance monitoring equipment as soon as practicable and within the deadlines set forth in the Nodal Operating Guide.

ACTION REQUIRED: Applicable Facility owners shall begin using the required retention periods, data provision timelines, and maintenance and testing timelines on existing equipment immediately.  Applicable Facility owners should begin installing and configuring new and existing equipment to meet requirements as soon as possible to meet deadlines.

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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