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PGRR120

Summary

Title SSO Risk Reduction for Generator Interconnection
Next Group
Next Step
Status Approved on 11/06/2025

Action

Date Gov Body Action Taken Next Steps
11/06/2025 PUCT Approved
09/22/2025 BOARD Recommended for Approval PUCT for consideration
07/30/2025 TAC Recommended for Approval Board for consideration
07/10/2025 ROS Recommended for Approval TAC for consideration
06/05/2025 ROS Recommended for Approval ROS for Impact Analysis consideration
11/07/2024 ROS Deferred/Tabled ROS for consideration

Voting Record

Date Gov Body Motion Result
11/06/2025 PUCT To approve PGRR120 and accompanying ERCOT Market Impact Statement as presented in Project No. 54445, Review of Protocols Adopted by the Independent Organization Passed
09/22/2025 BOARD To recommend approval of PGRR120 as recommended by TAC in the 7/30/25 TAC Report Passed
07/30/2025 TAC To recommend approval of PGRR120 as recommended by ROS in the 7/10/25 ROS Report as amended by the 7/13/25 ERCOT comments Passed
07/10/2025 ROS To endorse and forward to TAC the 6/5/25 ROS Report and 10/14/24 Impact Analysis for PGRR120 Passed
06/05/2025 ROS To recommend approval of PGRR120 as amended by the 5/20/25 PLWG comments Passed
11/07/2024 ROS To table PGRR120 and refer the issue to the Planning Working Group (PLWG) and Dynamics Working Group (DWG) Passed

Background

Status: Approved
Date Posted: Oct 14, 2024
Sponsor: ERCOT
Urgent: No
Sections: 5.2.10 (new) and 5.3.1
Description: This Planning Guide Revision Request (PGRR) prevents generators from interconnecting to the ERCOT Transmission Grid if the generator would be radial to a series capacitor under N-1 conditions.
Reason: Strategic Plan Objective 1

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