Title: Revised Responsibilities for Performing Geomagnetic Disturbance (GMD) Vulnerability Assessments
Next Group:
Next Step:
Status: Approved on 06/11/2019
Effective Dates:

Sections 3.1.8 and 6.11 (partial)


Section 3.1.8 (partial)


Section 6.11 (partial)


Date Gov Body Action Taken Next Steps
06/11/2019 BOARD Approved
05/22/2019 TAC Recommended for Approval Revision Request Consideration
05/02/2019 ROS Recommended for Approval Revision Request Consideration
04/04/2019 ROS Recommended for Approval Impact Analysis Consideration
03/07/2019 ROS Deferred/Tabled Language Consideration

Voting Record

Date Gov Body Motion Result
06/11/2019 BOARD to approve PGRR070 as recommended by TAC in the 5/22/19 TAC Report Passed
05/22/2019 TAC to recommend approval of PGRR070 as recommended by ROS in the 5/2/19 ROS Report as amended by the 5/17/19 ERCOT comments with a recommended effective date of upon system implementation for grey-boxed language and July 1, 2019 for all remaining language; and the Revised Impact Analysis Passed
05/02/2019 ROS to endorse and forward to TAC the 4/4/19 ROS Report, as amended by the 4/25/19 ERCOT comments as revised by ROS, and the Impact Analysis for PGRR070 with a recommended priority of 2019 and a rank of 230 Passed
04/04/2019 ROS to recommend approval of PGRR070 as amended by the 3/25/19 ERCOT comments as revised by ROS Passed
03/07/2019 ROS to table PGRR070 and refer the issue to the Planning Working Group (PLWG) and the Planning Geomagnetic Disturbance Task Force (PGDTF) Passed

Vote tallies here reflect individual votes, not the weight of the votes by market segment. Affirmative votes are not recorded in these vote tallies. For additional details on the voting record, please consult the Recommendation or Action Report, or the official vote tally if available, as posted in the key documents.


Status: Approved
Date Posted: Feb 19, 2019
Sponsor: ERCOT
Urgent: No
Sections:, 3.1.8, and 6.11
Description: This Planning Guide Revision Request (PGRR) aligns the Planning Guide with North American Electric Reliability Corporation (NERC) Reliability Standard TPL-007-2, Transmission System Planned Performance for Geomagnetic Disturbance Events, by identifying responsibilities for performing studies needed to complete benchmark and supplemental Geomagnetic Disturbance (GMD) vulnerability assessments.
Reason: Regulatory requirements

Key Documents

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