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


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

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