PGDTF,
The document is attached.
Thanks,
Aster

From: Planning Geomagnetic Disturbance Task Force [mailto:[log in to unmask]] On Behalf Of Aster Amahatsion
Sent: Thursday, August 15, 2019 9:53 AM
To: [log in to unmask]<mailto:[log in to unmask]>
Subject: FW: [External Email] M-A062118-06 Change in submission date - Request for Resource Entities and Transmission Service Providers (TSPs) to provide to ERCOT a list of Geomagnetic Disturbance (GMD) event contingencies for the benchmark GMD even...

PGDTF member,
ROS has approved the "Methodology for Assessing GMD Impacts on ERCOT Power Systems" and I have attached the document with this email.  Per ERCOT Planning Guide section 6.11 (3), TSPs and Resource Entities may refer to this ROS approved methodology in providing ERCOT a list of equipments potentially removed from service as a result of protection system operation or mis-operation due to harmonics that could result from the Benchmark GMD event.
As indicated in the ERCOT market notice's email below the deadline for the submission is October 1, 2019. Please contact Ping Yan from ERCOT for any question, I have copied her in this email.
Thanks,
Aster Amahatsion
PGDTF Chair 2019

From: ERCOT Client Services <[log in to unmask]<mailto:[log in to unmask]>>
Sent: Wednesday, March 20, 2019 2:46 PM
To: ERCOT Client Services <[log in to unmask]<mailto:[log in to unmask]>>
Cc: ERCOT Account Managers <[log in to unmask]<mailto:[log in to unmask]>>; Market Support Services <[log in to unmask]<mailto:[log in to unmask]>>
Subject: [External Email] M-A062118-06 Change in submission date - Request for Resource Entities and Transmission Service Providers (TSPs) to provide to ERCOT a list of Geomagnetic Disturbance (GMD) event contingencies for the benchmark GMD event for use in th...

  EXTERNAL EMAIL
NOTICE DATE:  March 20, 2019
NOTICE TYPE:  M-A062118-06 Operations
SHORT DESCRIPTION:  Change in submission date - Request for Resource Entities and Transmission Service Providers (TSPs) to provide to ERCOT a list of Geomagnetic Disturbance (GMD) event contingencies for the benchmark GMD event for use in the GMD vulnerability assessment
INTENDED AUDIENCE:  Resource Entities and TSPs
DAYS AFFECTED:  March 31 - October 1, 2019
LONG DESCRIPTION:  This Market Notice is to provide an extension to the deadline date communicated in ERCOT's previous request sent on January 23, 2019.  ERCOT requests that Resource Entities and TSPs provide a list of potential equipment removed from service as a result of Protection System operation or Misoperation due to harmonics that could result from the benchmark GMD event as described in "Table 1: Steady State Planning GMD Event" of North American Electric Reliability Corporation (NERC) Reliability Standard TPL-007-1, Transmission System Planned Performance for Geomagnetic Disturbance Events (GMD event contingencies).
ACTION REQUIRED:    Resource Entities and TSPs are required to assess the impact of the benchmark GMD event on their equipment to develop the list of potential equipment removed from service during the benchmark GMD event.  Send all responses via e-mail to [log in to unmask]<mailto:[log in to unmask]> with "Benchmark GMD Event" in the subject line by October 1, 2019.  Additionally, Resource Entities and TSPs with no potential equipment that may trip offline due to harmonics during the benchmark GMD event should so state in their email submission.  If a reply to ERCOT's original request has been made applying the additional information in this request, no further action is required.
ADDITIONAL INFORMATION:  On January 22, 2019, ERCOT partially implemented Planning Guide language associated with Planning Guide Revision Request (PGRR) 057, Responsibilities for Performing GMD Vulnerability Assessments. Specifically, paragraph (2) of Section 6.11, Process for Developing Geomagnetically-Induced Current (GIC) System Models, was unboxed.  Remaining portions of PGRR057 will be implemented at a later date.  PGRR057 aligns the Planning Guides with NERC Reliability Standard TPL-007-1, Transmission System Planned Performance for Geomagnetic Disturbance Events, by identifying responsibilities for performing studies needed to complete GMD vulnerability assessments.
In addition to Resource Entities and TSPs, this Notice is also issued to compliance contacts for all Generator Owners and Transmission Owners registered with NERC.
NERC Geomagnetic Disturbance Planning Guide<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Furldefense.proofpoint.com%2Fv2%2Furl%3Fu%3Dhttps-3A__www.nerc.com_comm_PC_Geomagnetic-2520Disturbance-2520Task-2520Force-2520GMDTF-25202013_GMD-2520Planning-2520Guide-5Fapproved.pdf%26d%3DDwMFAg%26c%3Dtrp9rTvIdyEWh1VWB5x8_2JiPaB5oGZOtWPDws2_VoY%26r%3DyK9jSOExPD9ePUTY3Fu2WzOE9MG3mICahvtZIeI9kCU%26m%3D7yAd02eBHLZKljltnrkkTs5iVCxPl-g4GTojSJjicbA%26s%3Dn7IT5zyWIQAJ_InU76ApXvI-IU4YcrLA21zQPMAbme0%26e%3D&data=02%7C01%7Clarisa.loyferman%40centerpointenergy.com%7Cf91c8948f7b14900672108d6ad76367c%7C88cc5fd7fd7844b6ad75b6915088974f%7C0%7C0%7C636887120573638958&sdata=Sj1%2FPWsDiidebYGHKw2jGLwdU4HzUq9QCKjYQfI9%2FX8%3D&reserved=0> may be used as a reference to develop the requested list of potential equipment.  This guide can be found on NERC website.
Please use the ERCOT Benchmark GMD Event Data Request<https://urldefense.proofpoint.com/v2/url?u=https-3A__nam04.safelinks.protection.outlook.com_-3Furl-3Dhttp-253A-252F-252Fwww.ercot.com-252Fcontent-252Fwcm-252Fkey-5Fdocuments-5Flists-252F54489-252FERCOT-5FGMD-5FEvent-5FCaused-5FOutages-5FData-5FRequest.xlsx-26data-3D02-257C01-257Clarisa.loyferman-2540centerpointenergy.com-257Cf91c8948f7b14900672108d6ad76367c-257C88cc5fd7fd7844b6ad75b6915088974f-257C0-257C0-257C636887120573648963-26sdata-3DA0hu0JZxancyVskGVvO1i9dFncQD3SvppfPI0jRcc94-253D-26reserved-3D0&d=DwMFAg&c=gMbiD-Q9WoaRgoXZKCrSug&r=5ba39UKN1Xas8mMcIyptlkUd_l7foFzUaU8PtcZiF5s&m=yEjzIL0oXQHtz0H9fwHzV_mvb6RPDRXuK9IortcLbHA&s=q_kc_YUdiwgMCWWVJpe-WukJ3FV7eg7978PKUaiT-7U&e=> form on the ERCOT Planning Geomagnetic Disturbance Task Force<https://urldefense.proofpoint.com/v2/url?u=https-3A__nam04.safelinks.protection.outlook.com_-3Furl-3Dhttp-253A-252F-252Fwww.ercot.com-252Fcommittee-252Fpgdtf-26data-3D02-257C01-257Clarisa.loyferman-2540centerpointenergy.com-257Cf91c8948f7b14900672108d6ad76367c-257C88cc5fd7fd7844b6ad75b6915088974f-257C0-257C0-257C636887120573658972-26sdata-3Dlmq3UnmikcfIOkdDf3yt4jaR-252Fbwwt9F8cgUR1CNjigM-253D-26reserved-3D0&d=DwMFAg&c=gMbiD-Q9WoaRgoXZKCrSug&r=5ba39UKN1Xas8mMcIyptlkUd_l7foFzUaU8PtcZiF5s&m=yEjzIL0oXQHtz0H9fwHzV_mvb6RPDRXuK9IortcLbHA&s=CXj1JHShZGNV9tOOqjXasbgw43kgAbaDP7ZptKIaa44&e=> (PGDTF) landing page for the submission.  The form also includes descriptions of the requested information.
CONTACT:  If you have any questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via email at [log in to unmask]<mailto:[log in to unmask]>.
If you are receiving email from a public ERCOT distribution list that you no longer wish to receive, please follow this link in order to unsubscribe from this list: http://lists.ercot.com<https://urldefense.proofpoint.com/v2/url?u=https-3A__nam04.safelinks.protection.outlook.com_-3Furl-3Dhttp-253A-252F-252Flists.ercot.com-26data-3D02-257C01-257Clarisa.loyferman-2540centerpointenergy.com-257Cf91c8948f7b14900672108d6ad76367c-257C88cc5fd7fd7844b6ad75b6915088974f-257C0-257C0-257C636887120573658972-26sdata-3DhqbnJtbHO2zw7N-252B7rylLDxuW4yVCZu9cZStI3WNghDE-253D-26reserved-3D0&d=DwMFAg&c=gMbiD-Q9WoaRgoXZKCrSug&r=5ba39UKN1Xas8mMcIyptlkUd_l7foFzUaU8PtcZiF5s&m=yEjzIL0oXQHtz0H9fwHzV_mvb6RPDRXuK9IortcLbHA&s=1rCNEDlCe_0IbaB7pIDYZaNtPnvHszP0vmVupsfUNTw&e=>.



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