ROS Meeting

August 08, 2019
09:30 AM
ERCOT Austin
8000 Metropolis (Building E), Suite 100
Austin, TX 78744
Room 206
Teleconference: 877-668-4493
Meeting number: 621 075 049
Meeting password: ROS



Antitrust Admonition

K. Bunch

9:30 a.m.


Agenda Review

K. Bunch



Approval of ROS Meeting Minutes (Vote)

K. Bunch

9:35 a.m.


July 11, 2019



Technical Advisory Committee (TAC) Update

K. Bunch

9:40 a.m.


ERCOT Reports


9:45 a.m.


Operations Report



System Planning Report

J. Billo


Panhandle Stability Study Update

J. Billo


Inverter-Based Resources Workshop follow up Update

J. Billo



Southern Cross Directive #4, Development of Methodology for Outage Coordination (Possible Vote)

M. Mereness



New Protocol Revision Subcommittee (PRS) Referrals (Vote)

K. Bunch

10:35 a.m.


NPRR950, Switchable Generation Resources Providing Black Start Service


NPRR953, Addition of Relay Loadability Rating Definition


NPRR955, Define Limited Impact Remedial Action Scheme (RAS)



ROS Revision Requests (Vote)

K. Bunch

11:05 a.m.


Language Review


PGRR073, Related to NPRR956, Designation of Providers of Transmission Additions


NOGRR194, Relocate Black Start Training Attendance Requirements to Nodal Operating Guides


Impact Analysis Review


NOGR191, Related to NPRR939, Modification to Load Resources Providing RRS to Maintain Minimum PRC on Generators During Scarcity Conditions




11:30 a.m.


Performance Disturbance Compliance Working Group (PDCWG)

C. Mulholland

12:45 p.m.


NPRR919, Exemption from Governor Primary Frequency Response Control for Certain Resources in Private Use Networks (PDCWG) (Possible Vote)


NOGRR184, Related to NPRR919, Exemption from Governor Primary Frequency Response Control for Certain Resources in Private Use Networks (PDCWG) (Possible Vote)


SCR800, Addition of DC Tie Ramp to GTBD Calculation (PDCWG) (Possible Vote)



Planning Working Group (PLWG)

T. Cook

1:15 p.m.


PGRR071, Update Interconnection Process Timetables to Align with NPRR926 (PLWG) (Possible Vote)


PGRR072, Treatment of Generation Resource Retirement and Mothball in Regional Transmission Plan and Geomagnetic Disturbance Vulnerability Assessment (PLWG) (PGDTF) (Possible Vote)



Operations Working Group (OWG)

R. Floyd

1:25 p.m.


NOGRR183, Remedial Action Scheme (RAS) Submittal and Review Requirements (PLWG/OWG) (Possible Vote)


NPRR937, Distribution Voltage Level Block Load Transfer (BLT) Deployment (OWG) (Possible Vote)


NOGRR190, Related to NPRR937, Distribution Voltage Level Block Load Transfer (BLT) Deployment (OWG) (Possible Vote)


High Impact Transmission Elements (HITE) List



Planning Geomagnetic Disturbance Task Force (PGDTF)

A. Amahatsion

1:55 p.m.


2019 PGDTF Leadership (Vote)


Vice Chair: Amjed Kandah, Oncor


Methodology for Assessing GMD Impacts on ERCOT Power Systems (Vote)



Network Data Support Working Group (NDSWG)

B. Ravulapati

2:05 p.m.


System Protection Working Group (SPWG)

M. Davis

2:10 p.m.


Other Business

K. Bunch

2:25 p.m.


Energy Storage Update

W. Lasher


Process for Resource Entities to have access to confidential studies/data for Generic Transmission Constraint (GTC) exit studies


Annual TAC Subcommittee Structural Review


Review Open Action Items


No Report:


Black Start Working Group (BSWG)


Dynamics Working Group (DWG)


Operations Training Working Group (OTWG)


Steady State Working Group (SSWG)


Voltage Profile Working Group (VPWG)



K. Bunch

3:00 p.m.

Scheduled ros Meetings

Key Documents

Oct 16, 2019 - doc - 207.5 KB
Jul 31, 2019 - docx - 37.3 KB
Aug 5, 2019 - doc - 189 KB
Aug 5, 2019 - pptx - 92.2 KB
Aug 1, 2019 - docx - 72.2 KB
Jul 31, 2019 - pptx - 1.4 MB
Jul 31, 2019 - pptx - 91.6 KB
Jul 31, 2019 - pptx - 45.6 KB
Aug 1, 2019 - ppt - 589.5 KB
Aug 1, 2019 - docx - 13.7 KB
Jul 31, 2019 - pptx - 432.9 KB
Aug 8, 2019 - zip - 5.2 MB
Aug 8, 2019 - zip - 1.1 MB
Aug 6, 2019 - docx - 421.1 KB
Aug 1, 2019 - docx - 541.1 KB

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