PGRR #120 · Revision Request
PGRR120 SSO Risk Reduction for Generator Interconnection
- ROS Jul 10 '25
- TAC Jul 30 '25
- BOARD Sep 22 '25
- PUCT Nov 6 '25
ReasonStrategic Plan Objective 1
Created2024-11-07
Approved2025-11-06
Sections Affected
5.2.10 (new) and 5.3.1
Summary
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.
Timeline
- Oct 14
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Nov 7
ROS ROS MeetingROSDeferred/Tabled Referred → PLWG Referred → DWG“To table PGRR120 and refer the issue to the Planning Working Group (PLWG) and Dynamics Working Group (DWG)” — Passed→ ROS for consideration
- Nov 12
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Dec 5
Listed without action at 2 meetings (Dec 5 '24 – Dec 11 '24)
- Dec 18
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Jan 9
Listed without action at 1 meeting
- Jan 29
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Feb 6
Listed without action at 1 meeting
- Feb 13
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Mar 6
Listed without action at 1 meeting
- Apr 3
- May 1
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Jun 5
ROS ROS Meeting - Webex OnlyROSRecommended for Approval Amended by the May 20 '25 PLWG comments“To recommend approval of PGRR120 as amended by the 5/20/25 PLWG comments” — Passed→ ROS for Impact Analysis consideration
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Jul 10
ROS ROS Meeting - Webex OnlyROSRecommended for Approval Forwarded → TAC“To endorse and forward to TAC the 6/5/25 ROS Report and 10/14/24 Impact Analysis for PGRR120” — Passed→ TAC for consideration
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Jul 30
TAC TAC Meeting - Webex OnlyTACRecommended for Approval Amended by the Jul 13 '25 ERCOT comments“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→ Board for consideration
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Sep 22
BOARD Board of Directors MeetingBOARDRecommended for Approval“To recommend approval of PGRR120 as recommended by TAC in the 7/30/25 TAC Report” — Passed→ PUCT for consideration
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Nov 6
PUCTPUCTApproved“To approve PGRR120 and accompanying ERCOT Market Impact Statement as presented in Project No. 54445, Review of Protocols Adopted by the Independent Organization” — Passed
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Posted since the last meeting