PGRR #146 · Revision Request

PGRR146 Rename Quarterly Stability Assessment and Modify the Assessment Schedule

Pending sponsor ERCOT posted 2026-05-20 sits at ROS next action Language Consideration then to TAC ercot.com

ReasonGeneral system and/or process improvement(s)

Created2026-06-04

Sections Affected

5.3.2.55.3.45.3.5and 5.5

Summary

This Planning Guide Revision Request (PGRR) modifies the stability assessment schedule for planned large generators and Large Loads from every three months to every four months and rename the stability assessment from quarterly stability assessment to qualifying stability assessment.

Timeline

May 20 '26
ROSFiled by ERCOT
- 146PGRR-01 Rename Quarterly Stability Assessment and Modify the Assessment Schedule 052026 May 20 '26 · Revision Request
- 146PGRR-02 Impact Analysis 052026 May 20 '26 · Staff Report
Jun 4 '26
ROS ROS Meeting
ROSDeferred/Tabled Tabled Referred → PLWG
“to table PGRR146 for further review by the Planning Working Group (PLWG)” — Passed

→ Language Consideration

Motion Carries 7.5–0 roll call
Jun 10 '26
PRS PRS Meeting
- 146PGRR-03 ROS Ballot 060426 Jun 9 '26 · Revision Request Ballot
- 146PGRR-04 ROS Report 060426 Jun 9 '26 · Committee Report
Jun 19 '26
LLWG LLWG Meeting
- 146PGRR-05 Pattern Energy Comments 061526 Jun 16 '26 · Revision Request Comments
- 146PGRR-06 Southern Power Comments 061526 Jun 16 '26 · Revision Request Comments
Jul 9 '26
Listed without action at 2 meetings (Jul 9 '26 – Jul 15 '26)
- ROS Meeting - Webex Only Jul 9 '26
- PRS Meeting Jul 15 '26
Aug 6 '26
ROS ROS Meeting
- 146PGRR-07 APA ACP Comments 073126 Jul 31 '26 · Revision Request Comments