PGRR #133 · Revision Request

PGRR133 Clarifying Legacy Generation Breaker Control for PGRR115 Implementation

Approved Urgent sponsor Vistra posted 2025-10-30 ercot.com

ReasonGeneral system and/or process improvement(s)

Created2025-11-06

Approved2026-07-09

Sections Affected

5.2.11

Summary

This Planning Guide Revision Request (PGRR) corrects for unintentional operational risk in grey-boxed language adopted in PGRR115.

Timeline

Oct 30 '25
ROSFiled by Vistra
- 133PGRR-01 Clarifying Legacy Generation Breaker Control for PGRR115 Implementation 103025 Oct 30 '25 · Revision Request
Nov 6 '25
ROS ROS Meeting - Webex Only
ROSDeferred/Tabled Urgent status Tabled
“To grant PGRR133 urgent status and to table PGRR133” — Passed

→ ROS for consideration

Motion Carries 7.5–0 roll call

Motion Carries 7.16667–0.333333 (1 abstain) roll call
- 133PGRR-02 ERCOT Comments 110525 Nov 5 '25 · Revision Request Comments
- 133PGRR-03 Vistra Comments 110625 Nov 6 '25 · Revision Request Comments
Dec 4 '25
ROS ROS Meeting - Webex Only
- 133PGRR-04a ROS Ballot 110625 Nov 10 '25 · Revision Request Ballot
- 133PGRR-04b ROS Ballot 110625 Nov 10 '25 · Revision Request Ballot
- 133PGRR-05 ROS Report 110625 Nov 10 '25 · Committee Report
- 133PGRR-06 LCRA Comments 111825 Nov 18 '25 · Revision Request Comments
- 133PGRR-07 TCPA Comments 112425 Nov 24 '25 · Revision Request Comments
Jan 8 '26
Listed without action at 1 meeting
- ROS Meeting Jan 8 '26
Feb 5 '26
ROS ROS Meeting
- 133PGRR-08 Joint Commenters Comments 012826 Jan 28 '26 · Revision Request Comments
Mar 5 '26
Listed without action at 1 meeting
- ROS Meeting Mar 5 '26
Apr 2 '26
ROS ROS Meeting
ROSRecommended for Approval Recommended for approval Amended by the Jan 28 '26 Joint Commenters comments Forwarded → TAC
“To recommend approval of PGRR133 as amended by the 1/28/26 Joint Commenters comments and to forward PGRR133 to TAC” — Passed

→ TAC for consideration

Motion Carries 7.5–0 roll call
Apr 29 '26
TAC TAC Meeting
TACRecommended for Approval Recommended for approval
“To recommend approval of PGRR133 as recommended by ROS in the 4/2/26 ROS Report; and the 4/22/26 Impact Analysis” — Passed

→ Board for consideration

Motion Passes 30–0 roll call
- 133PGRR-09 ROS Ballot 040226 Apr 7 '26 · Revision Request Ballot
- 133PGRR-10 ROS Report 040226 Apr 7 '26 · Committee Report
- 133PGRR-11 Impact Analysis 042226 Apr 22 '26 · Staff Report
Jun 1 '26
BOARD Board of Directors Meeting
- 133PGRR-12 TAC Ballot 042926 May 1 '26 · Revision Request Ballot
- 133PGRR-13 TAC Report 042926 May 1 '26 · Committee Report
Jun 2 '26
BOARDEmail Vote / Unlisted Meeting
BOARDRecommended for Approval Recommended for approval
“To recommend approval of PGRR133 as recommended by TAC in the 4/29/26 TAC Report” — Passed

→ PUCT for consideration
Jul 9 '26
PUCT
PUCTApproved Approved
“To approve PGRR133 and accompanying ERCOT Market Impact Statement as presented in Project No. 54445, Review of Protocols Adopted by the Independent Organization” — Passed
- 133PGRR-14 Board Report 060226 Jun 3 '26 · Committee Report
—
Posted since the last meeting
- 133PGRR-15 PUCT Report 070926 Jul 11 '26 · Committee Report