PGRR #120 · Revision Request
PGRR120 SSO Risk Reduction for Generator Interconnection
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.
Action Log 6 milestones
-
Nov 7
ROSDeferred/Tabled→ ROS for consideration
-
Jun 5
ROSRecommended for Approval→ ROS for Impact Analysis consideration
-
Jul 10
ROSRecommended for Approval→ TAC for consideration
-
Jul 30
TACRecommended for Approval→ Board for consideration
-
Sep 22
BOARDRecommended for Approval→ PUCT for consideration
-
Nov 6
PUCTApproved
Amendments
| Date | Body | Motion | Result |
|---|---|---|---|
| Jun 5 '25 | ROS | To recommend approval of PGRR120 as amended by the 5/20/25 PLWG comments | Passed |
| Jul 30 '25 | 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 |
Ballots
| Date | Body | Result | Yes | No | Abstain | |
|---|---|---|---|---|---|---|
| Jul 30 '25 | TAC | Motion Passes | 29 | 0 | 0 | xls |
| Jul 10 '25 | ROS | Motion Carries | 7.5 | 0 | 0 | xls |
| Jun 5 '25 | ROS | Motion Carries | 7.5 | 0 | 0 | xls |
| Nov 7 '24 | ROS | Motion Carries | 7.5 | 0 | 0 | xls |
Documents 22
| Name | Type | Posted | Classification |
|---|---|---|---|
| 120PGRR-01 SSO Prevention for Generator Interconnection 101424 | docx | Oct 14 '24 | Revision Request |
| 120PGRR-02 Impact Analysis 101424 | docx | Oct 14 '24 | Staff Report |
| 120PGRR-03 ROS Ballot 110724 | xls | Nov 11 '24 | Revision Request Ballot |
| 120PGRR-04 ROS Report 110724 | docx | Nov 11 '24 | Committee Report |
| 120PGRR-05 Southern Power Comments 121724 | docx | Dec 17 '24 | Revision Request Comments |
| 120PGRR-06 AEP Comments 012825 | docx | Jan 28 '25 | Revision Request Comments |
| 120PGRR-07 Lone Star Comments 020725 | docx | Feb 7 '25 | Revision Request Comments |
| 120PGRR-08 Splight Comments 021325 | docx | Feb 13 '25 | Revision Request Comments |
| 120PGRR-09 Enel Green Power Comments 031425 | docx | Mar 14 '25 | Revision Request Comments |
| 120PGRR-10 Smart Wires Comments 032525 | docx | Mar 25 '25 | Revision Request Comments |
| 120PGRR-11 ERCOT Comments 041625 | docx | Apr 16 '25 | Revision Request Comments |
| 120PGRR-12 Lone Star and AEP Comments 051425 | docx | May 14 '25 | Revision Request Comments |
| 120PGRR-13 PLWG Comments 052025 | docx | May 20 '25 | Revision Request Comments |
| 120PGRR-14 ROS Ballot 060525 | xls | Jun 9 '25 | Revision Request Ballot |
| 120PGRR-15 ROS Report 060525 | docx | Jun 9 '25 | Committee Report |
| 120PGRR-16 ROS Ballot 071025 | xls | Jul 10 '25 | Revision Request Ballot |
| 120PGRR-17 ROS Report 071025 | docx | Jul 10 '25 | Committee Report |
| 120PGRR-18 ERCOT Comments 071325 | docx | Jul 13 '25 | Revision Request Comments |
| 120PGRR-19 TAC Ballot 073025 | xls | Aug 1 '25 | Revision Request Ballot |
| 120PGRR-20 TAC Report 073025 | docx | Aug 1 '25 | Committee Report |
| 120PGRR-21 Board Report 092225 | docx | Sep 24 '25 | Committee Report |
| 120PGRR-22 PUCT Report 110625 | docx | Nov 10 '25 | Committee Report |
Meetings That Took It Up 16
| Date | Meeting | Committee | Status |
|---|---|---|---|
| Sep 22 '25 | Board of Directors Meeting | BOARD | Concluded |
| Jul 30 '25 | TAC Meeting - Webex Only | TAC | Concluded |
| Jul 10 '25 | ROS Meeting - Webex Only | ROS | Concluded |
| Jun 5 '25 | ROS Meeting - Webex Only | ROS | Concluded |
| May 1 '25 | ROS Meeting | ROS | Concluded |
| Apr 3 '25 | ROS Meeting - Webex Only | ROS | Concluded |
| Mar 6 '25 | ROS Meeting | ROS | Concluded |
| Feb 13 '25 | DWG Meeting - Webex Only | DWG | Concluded |
| Feb 6 '25 | ROS Meeting - Webex Only | ROS | Concluded |
| Jan 29 '25 | PLWG Meeting | PLWG | Concluded |
| Jan 9 '25 | ROS Meeting - Webex Only | ROS | Concluded |
| Dec 18 '24 | PLWG Meeting - Webex Only | PLWG | Concluded |
| Dec 11 '24 | DWG Meeting - Webex Only | DWG | Concluded |
| Dec 5 '24 | ROS Meeting - Webex Only | ROS | Concluded |
| Nov 12 '24 | PLWG Meeting | PLWG | Concluded |
| Nov 7 '24 | ROS Meeting | ROS | Concluded |