Meeting Summary - 11/07/24 ROS Meeting

Grid Monitor AI
11/08/2024

<h2><img src="/storage/docs/2024/11/11072024ROSHero.png" width="865" height="650" /></h2> <h2><a href="/sharing/?token=441c322d-8db5-4ab7-8371-9449bde8ee67"><span style="font-weight: 400;">0</span></a><span style="font-weight: 400;"> - Validation for ROS Standing Representatives - ERCOT Staff</span></h2> <h2><a href="/sharing/?token=7d0efb6c-9e4d-4401-91bf-f285f60fc5cf"><span style="font-weight: 400;">1</span></a><span style="font-weight: 400;"> - Antitrust Admonition - Katie Rich</span></h2> <h2><a href="/sharing/?token=9e5ad5a2-f20e-4766-80ab-8f70f2aea48b"><span style="font-weight: 400;">2</span></a><span style="font-weight: 400;"> - Agenda Review - Katie Rich</span></h2> <h2><a href="/sharing/?token=4d304785-b625-4fa3-ac78-ffc0373cd1c7"><span style="font-weight: 400;">3</span></a><span style="font-weight: 400;"> - Approval of ROS Meeting Minutes - Possible Vote - Katie Rich</span></h2> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Motion to approve October 3rd, 2024 ROS meeting minutes added to Combo Ballot</span></li> </ul> <h2><a href="/sharing/?token=bcef0ef2-bfb2-42a3-8aad-1c2bbf138829"><span style="font-weight: 400;">4</span></a><span style="font-weight: 400;"> - Technical Advisory Committee TAC Update - Katie Rich</span></h2> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Extensive discussion on NPRR1190 about HDL overrides; sent back from the board to TAC and tabled for more discussion next month.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Lengthy discussion on NPRR1180.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">PGRR107 is on the agenda for today but tabled for next month along with discussion on NPRR1180.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">All revision requests brought to TAC were tabled, awaiting NPRRs at PRS.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Follow-up on NOGRR245, with the Commission to conduct a rulemaking for subsequent issues.</span></li> </ul> <h2><a href="/sharing/?token=2a943bc6-5bbd-4977-910a-c1e3ac908c46"><span style="font-weight: 400;">5</span></a><span style="font-weight: 400;"> - ERCOT Reports</span></h2> <h3><a href="/sharing/?token=d0934c5a-5651-4dca-a1eb-f62149bb797b"><span style="font-weight: 400;">5.1</span></a><span style="font-weight: 400;"> - Operations Report - Alex Lee</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Unofficial October peak demand was 77,780 MW, which is 6,690 MW less compared to September of the previous year.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">A record for solar generation was set at 21,667 MW on September 8.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">One frequency event was mentioned, linked to a unit trip, but no ECRS or RRS deployments were needed.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">One DC tie curtailment occurred.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">There were 26 HRUC commitments, with nine due to congestion and 17 due to system capacity.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT issued an OCN and an advisory for a potential tropical cyclone on September 9.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Geomagnetic disturbance advisories of [K-7] or higher were issued.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Frequency control issues began at the end of October, starting around October 27, causing reg exhaustion and additional operator actions.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Incorrect HSL telemetry for many IRR resources at ERCOT affected SCED dispatch.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Multiple RFIs were sent to correct the telemetry issues, to improve dispatch and enhance frequency control.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">A call for corrective actions and a quick turnaround on telemetry issues was made, with a week's deadline for responsive actions.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Follow-up discussion is anticipated at the December meeting if telemetry corrections are completed on time.</span></li> </ul> <h3><a href="/sharing/?token=fb2f109d-9a70-4fce-937f-fbcf003918d9"><span style="font-weight: 400;">5.2</span></a><span style="font-weight: 400;"> - System Planning Report - Ping Yan</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Ping Yin presented the monthly system planning report for ERCOT Grid Planning.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">An update on the extra High Voltage Infrastructure plan will be discussed at the upcoming RPG meeting next Tuesday.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Ping Yin expressed willingness to address any questions, though none were raised during this segment.</span></li> </ul> <h3><a href="/sharing/?token=78abe145-bcc6-43b8-9e17-49ae09292361"><span style="font-weight: 400;">5.3</span></a><span style="font-weight: 400;"> - DWG Procedure Manual - Vote - Erin Wasik-Gutierrez</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Motion to approve the DWG Procedure as submitted added to combo ballot</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Erin Wasik-Gutierrez introduced changes to the DWG manual for approval.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Previous changes related to NOGRR245 had inadvertently omitted existing language.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The current proposal involves reinstating omitted text that was existing language.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The reinstated text is visible in sections 3.4.1 through 4 of the manual.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The request for approval is for transparency, ensuring all members had visibility into the changes.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Suggestion to place the item on the combo ballot for voting.</span></li> </ul> <h2><a href="/sharing/?token=c4573090-ff7b-46c3-b1ac-2dea81850983"><span style="font-weight: 400;">6</span></a><span style="font-weight: 400;"> - ROS Revision Requests - Vote - Katie Rich</span></h2> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Three IAs,, all have no impact.</span></li> </ul> <h3><a href="/sharing/?token=68d26c22-8d7e-4074-a7fb-3ec76d4b03fb"><span style="font-weight: 400;">6.1</span></a><span style="font-weight: 400;"> - PGRR107, Related to NPRR1180, Inclusion of Forecasted Load in Planning Analyses</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Motion to endorse and forward to TAC the 10/3/24 ROS Report and 10/16/24 Impact Analysis for PGRR107</span></li> <ul> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">There was a delay in releasing the IA because of ERCOT's review of NPRR1180.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">The review of NPRR1180&rsquo;s IA led to revisions, but PGRR107's IA remains unchanged.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">No project required.</span></li> </ul> </ul> <h3><a href="/sharing/?token=0a0b8ae3-ae03-487e-93c5-e79aed936f52"><span style="font-weight: 400;">6.2</span></a><span style="font-weight: 400;"> - PGRR118, Related to NPRR1246, Energy Storage Resource Terminology Alignment for the Single-Model Era</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Motion to endorse and forward to TAC the 10/3/24 ROS Report and 7/31/24 Impact Analysis for PGRR118.</span></li> <ul> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">No project required.</span></li> </ul> </ul> <h3><a href="/sharing/?token=07800919-2438-4d1d-9bfc-78c4cf2f1bf8"><span style="font-weight: 400;">6.3</span></a><span style="font-weight: 400;"> - NOGRR268, Related to NPRR1246, Energy Storage Resource Terminology Alignment for the Single-Model Era</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Motion to endorse and forward to TAC the 10/3/24 ROS Report and 7/31/24 Impact Analysis for NOGRR268.</span></li> <ul> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">No project required.</span></li> </ul> </ul> <h3><a href="/sharing/?token=a06d3a44-531a-48e8-a73f-cb3ca94ad55a"><span style="font-weight: 400;">6.4</span></a><span style="font-weight: 400;"> - PGRR120, SSO Prevention for Generator Interconnection</span></h3> <p><a href="https://ercot-control-docs.s3.us-west-2.amazonaws.com/31/06-november_ros_sso_prevention_pgrr120.pdf"><span style="font-weight: 400;">06-november_ros_sso_prevention_pgrr120</span></a></p> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Motion to table PGRR120 and refer the issue to PLWG and DWG added to combo ballot</span></li> <ul> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Background information was provided on the series capacitors in the ERCOT system, initially installed to facilitate renewable energy transfer and other generation transfers.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Defined various types of subsynchronous oscillations&nbsp; including SSR, SSCI, and SSFR, and discussed SSR mitigation strategies present in ERCOT protocols.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Highlighted historical SSO events and the continued occurrence of SSR events, despite existing mitigation measures, causing delays and equipment issues.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">The proposal of PGRR120 aims to prevent new generation projects from interconnecting such that they are N-1 (one Credible Single Contingency) from being radial to a series capacitor(s) and includes measures for generator modifications and real-time SSO mitigation.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Clarified that the mitigation requirements primarily apply to new transmission-connected generators and addressed informal comments regarding distributed generation.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Cyrus Reed raised questions about the distribution of mitigation responsibilities between generators and TDUs, discovering that the generator community carries most of the financial responsibility for SSR mitigation.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">It was revealed that fully mitigating SSR issues is complex and challenging, leading to the proposal to prevent new generators from connecting in high-risk configurations.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">There was a suggestion to analyze and determine the impact on generators currently in the queue and understand how many projects might be affected by the proposed PGRR120.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Questions were raised by other participants on the SSO event list, the number of affected projects, and the handling of series capacitors.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Clarified that ERCOT requested PGRR120 be tabled and referred to PLWG and DWG, reflecting the complexity and need for further analysis.</span></li> </ul> </ul> <h3><a href="/sharing/?token=39d1d137-35c8-4aaa-a17d-4194d63a5f3f"><span style="font-weight: 400;">6.5</span></a><span style="font-weight: 400;"> - NOGRR271, Related to NPRR1257, Limit on Amount of RRS a Resource can Provide Using Primary Frequency Response</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Motion to table NOGRR271 and refer the issue to PDCWG added to combo ballot</span></li> </ul> <h2><a href="/sharing/?token=20d484e5-881b-465e-950f-d5a0d418cdc8"><span style="font-weight: 400;">7</span></a><span style="font-weight: 400;"> - NPRR1257, Limit on Amount of RRS a Resource can Provide Using Primary Frequency Response - Possible Vote - Katie Rich</span></h2> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Motion to request PRS to table NPRR1257 for further review by PDCWG added to combo ballot</span></li> </ul> <h2><a href="/sharing/?token=5394d49a-af83-4dfb-914c-2065b96ebdeb"><span style="font-weight: 400;">8</span></a><span style="font-weight: 400;"> - Revision Requests Tabled at PRS and Referred to ROS - Possible Vote - Katie Rich.</span></h2> <h3><a href="/sharing/?token=19a90666-acd4-40bf-9a68-cc94f255d1d6"><span style="font-weight: 400;">8.1</span></a><span style="font-weight: 400;"> - NPRR1229, Real-Time Constraint Management Plan Energy Payment</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">NPRR1229 is currently being reviewed by WMWG.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">No updates or discussions were conducted during this meeting on this agenda item.</span></li> </ul> <h3><a href="/sharing/?token=a74399ea-d4b7-481b-bed0-8da28279fc6a"><span style="font-weight: 400;">8.2</span></a><span style="font-weight: 400;"> - NPRR1234, Interconnection Requirements for Large Loads and Modeling Standards for Loads 25 MW or Greater - NDSWG</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">NPRR1234 is under review by the NDSWG.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">A presentation on NPRR1234 is expected to be given today.</span></li> </ul> <h2><a href="/sharing/?token=1f17f429-ac49-4acf-ae1c-e7c375eb4c96"><span style="font-weight: 400;">9</span></a><span style="font-weight: 400;"> - Revision Requests Tabled at ROS - Possible Vote - Katie Rich</span></h2> <p><span style="font-weight: 400;">9.1 - </span><span style="font-weight: 400;">PGRR073, Related to NPRR956, Designation of Providers of Transmission Additions</span></p> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">PGRR073 will remain in its current status.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The meeting will proceed with OWG's presentation followed by a break.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Eithar Nashawati from Oncor inquired about NPRR1229 and its expectation from ROS.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The NPRR229 remains tabled to address questions from ERCOT to STEC, which are technical and market-related.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The need for input from ROS is a reason for the item staying tabled.</span></li> </ul> <h2><a href="/sharing/?token=4836745e-3403-440a-a28a-66dd3c6272e1"><span style="font-weight: 400;">10</span></a><span style="font-weight: 400;"> - Operations Working Group - OWG - Rickey Floyd</span></h2> <p><a href="/storage/docs/2024/11/10-owg_ros_20241107.pdf"><span style="font-weight: 400;">10-owg_ros_20241107.pdf</span></a></p> <h3><a href="/sharing/?token=e0c68338-f097-4ad0-aa77-7c7141db75a9"><span style="font-weight: 400;">10.1</span></a><span style="font-weight: 400;"> - NPRR1070, Planning Criteria for GTC Exit Solutions - OWG, PLWG - Possible Vote</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">NPRR1070 planning criteria for GTC exit solution is currently tabled at OWG.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Awaiting follow-up comments from ERCOT regarding their approach to the planning criteria.</span></li> </ul> <h3><a href="/sharing/?token=6ce6a257-4a75-4721-a93a-d2128d0d17c6"><span style="font-weight: 400;">10.2</span></a><span style="font-weight: 400;"> - NPRR1238, Voluntary Registration of Loads with Curtailable Load Capabilities - OWG - Possible Vote</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Waiting for ERCOT comments to be posted for NPRR1238.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">OWG will review the comments to try to reach consensus.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Concerns about tracking Voluntary Early Curtailment Loads (VECLs).</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">No recent update from ERCOT on the comments.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Hopeful for comments to be filed before the next OWG meeting.</span></li> </ul> <h3><a href="/sharing/?token=6ffbc752-6aa7-48be-a34d-d67e23c5d010"><span style="font-weight: 400;">10.3</span></a><span style="font-weight: 400;"> - NOGRR265, Related to NPRR1238, Voluntary Registration of Loads with Curtailable Load Capabilities - OWG - Possible Vote</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The agenda item relates to NPRR1238, and ERCOT comments are pending.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT had hoped to file comments before the current meeting but received further input from their Legal department suggesting a different approach.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT is having additional internal discussions and aims to submit comments before the next OWG meeting.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Attendees are reminded to inform Ricky or Tyler if comments are delayed.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Imani has questions that are best addressed at the next OWG meeting, where Agee and possibly Bill Blevins will be available.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The current meeting has concluded with a 10-minute break scheduled before resuming with the PLWG update.</span></li> </ul> <h2><a href="/sharing/?token=d9985411-ae69-4d7e-b154-69a0b84c97a5"><span style="font-weight: 400;">11</span></a><span style="font-weight: 400;"> - Planning Working Group - PLWG - Dylan Preas</span></h2> <p><a href="/storage/docs/2024/11/11-planning-working-group-report_10162024.pdf"><span style="font-weight: 400;">11-planning-working-group-report_10162024.pdf</span></a></p> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Discussion focused on the PLWG report.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Dylan Preas and Mina Turner outlined the agenda for NPRR1247.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Initial updates were provided before addressing specific slides on NPRR1247.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Dylan Preas introduced himself as the PLWG Chair.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The Planning Working Group meeting took place on October 16th.</span></li> </ul> <h3><a href="/sharing/?token=04240bbf-ac22-411b-aa70-06876339f0ac"><span style="font-weight: 400;">11.1</span></a><span style="font-weight: 400;"> - PGRR115, Related to NPRR1234, Interconnection Requirements for Large Loads and Modeling Standards for Loads 25 MW or Greater - PLWG - Possible Vote</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">PGRR115 interconnection requirements for large loads were reviewed.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Focus on modeling standards for loads 25 MWor greater.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Reviewed comments from AEP on larger load rules and processes.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Included discussion of new terms and applicable thresholds for large generator interconnection studies.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Consideration of loads requested in neighboring TSPs within the same area.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT plans to submit reply comments before the November 12th PLWG meeting.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The item was tabled for further discussion.</span></li> </ul> <h3><a href="/sharing/?token=99835826-6555-4d24-b658-55b8f3b417ce"><span style="font-weight: 400;">11.2</span></a><span style="font-weight: 400;"> - PGRR117, Addition of Resiliency Assessment and Criteria to Reflect PUCT Rule Changes - PLWG - Possible Vote</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Motion to recommend approval of PGRR117 as amended by the 10/11/24 ERCOT comments added to combo ballot</span></li> <ul> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">PGRR117 is being passed on to ROS for consideration.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">The addition of resiliency assessment and criteria is introduced in Section 3 (regional planning) and Section 4 (transmission system criteria) of the Planning guide.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">ERCOT&rsquo;s 10/11/24 comments were reviewed.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">There's a concern about the lack of a clear process on using the results from the resiliency assessment.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">ERCOT plans to propose an NPRR to address how to evaluate upgrades meeting the proposed resiliency criteria.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">The recommendation to move forward to ROS is based on ERCOT&rsquo;s comments.</span></li> </ul> </ul> <h3><a href="/sharing/?token=b0c2d2b0-04fd-4f8d-a782-64d1ff916f7f"><span style="font-weight: 400;">11.3</span></a><span style="font-weight: 400;"> - PGRR119, Stability Constraint Modeling Assumptions in the Regional Transmission Plan</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Introduction of PGRR119 regarding stability constraint modeling assumptions in the Regional Transmission Plan (RTP).</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">First presentation of this item to PLWG.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Review by ERCOT which formalizes the current practice of applying a reliability margin to stability constraints.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Modeling of constraints takes place in RTP reliability and economic base cases.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Request made to table the item for further discussion after an initial review.</span></li> </ul> <h3><a href="/sharing/?token=507f1745-75ac-4598-9f22-2343ca5602d7"><span style="font-weight: 400;">11.4</span></a><span style="font-weight: 400;"> - NPRR1247, Incorporation of Congestion Cost Savings Test in Economic Evaluation of Transmission Projects - PLWG - Possible Vote</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Motion to endorse NPRR1247 as amended by the 10/23/24 ERCOT comments</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Motion carries with 76.9% in favor, and 11 abstentions.</span></li> <ul> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">NPRR1247 was initially skipped and then reintroduced for discussion.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Discussion included NERC CIP-014-4 revisions and its ballot failure.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">NERC TPL-008-1 on transmission planning for extreme weather was mentioned.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Review of load planning language from PGRR107 will be revisited in October or November.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Discussion about moving forward with PGRR117; added to the combo ballot.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Dylan presented NPRR1247's purpose and outcome of the special October 29th meeting.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">PLWG draft with luminant comments was highlighted featuring three main language changes.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">ERCOT's comments post-PLWG meeting were discussed, noting oppositions to incorporating certain white papers.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Option to consider and vote on ERCOT or PLWG versions of the NPRR based on white papers impact.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Concerns over voting urgency and procedural constraints were expressed.</span></li> </ul> </ul> <h2><a href="/sharing/?token=8b322f70-098e-47ff-ab38-4c60bcccb4b4"><span style="font-weight: 400;">12</span></a><span style="font-weight: 400;"> - Network Data Support Working Group - NDSWG - Gerardo Escamilla</span></h2> <p><a href="/storage/docs/2024/11/12-ndswg_report_to_ros_10312024.pdf"><span style="font-weight: 400;">12-ndswg_report_to_ros_10312024.pdf</span></a></p> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Discussion on the ICCP handbook and NPRR1234 modeling for loads of 25 MW or greater.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Clarification on identifying loads as large customers, commercial, or residential.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Consideration of identifying if a station has single or multiple load owners.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Pending discussion and decision on the ICCP handbook linked with RTC+B Project.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Reiteration of the urgency for the NPRR1247 IA at PRS to meet the end-of-year timeline.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Confirmation that either NPRR1247 version wouldn't require changes to the IA.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Acknowledgment that no changes to IA would ensure keeping the urgent timeline.</span></li> </ul> <h2><a href="/sharing/?token=93568c9c-4c1f-4055-9685-24298697bfcc"><span style="font-weight: 400;">13</span></a><span style="font-weight: 400;"> - Combo Ballot - Vote - Katie Rich</span></h2> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Motion to approve the combo ballot as presented passes with 100% in favor with no abstentions.</span></li> <ul> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Motion to approve October 3, 2024 ROS Meeting Minutes.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Motion to approve the DWG Procedure Manual as submitted.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">PGRR107 - Motion to endorse and forward to TAC the 10/3/24 ROS Report and 10/16/24 Impact Analysis.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">PGRR118 - Motion to endorse and forward to TAC the 10/3/24 ROS Report and 7/31/24 Impact Analysis .</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">NOGRR268 - Motion to endorse and forward to TAC the 10/3/24 ROS Report and 7/31/24 Impact Analysis.</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Motion to table PGRR120 and refer the issue to PLWG and DWG</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Motion to table NOGRR271 and refer the issue to PDCWG</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Motion to request PRS to table NPRR1257 for further review by PDCWG</span></li> <li style="font-weight: 400;" aria-level="2"><span style="font-weight: 400;">Motion to recommend approval of PGRR117 as amended by the 10/11/24 ERCOT comments</span></li> </ul> </ul> <h2><span style="font-weight: 400;">14 - Dynamics Working Group (DWG)</span></h2> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Not Discussed</span></li> </ul> <h2><span style="font-weight: 400;">15 - Inverter Based Resources Working Group (IBRWG)</span></h2> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Not Discussed</span></li> </ul> <h2><span style="font-weight: 400;">16 - Steady State Working Group (SSWG)&nbsp;</span></h2> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Not Discussed</span></li> </ul> <h2><span style="font-weight: 400;">17 - Operations Training Working Group (OTWG)</span></h2> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Not Discussed</span></li> </ul> <h2><a href="/sharing/?token=ae800093-e8eb-4834-bd6d-4e2c8383256b"><span style="font-weight: 400;">18</span></a><span style="font-weight: 400;"> - Other Business - Katie Rich</span></h2> <h3><a href="/sharing/?token=72e63c2a-16cb-4638-9fbf-6e6177679d77"><span style="font-weight: 400;">18.1</span></a><span style="font-weight: 400;"> - Review Open Action Items List</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Discussion on NOGRR245 and upcoming related work.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">EEA 2 event on September 6th, 2023 reviewed by working groups. No lingering issues reported.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">No immediate actions required on parking lot items.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Next meeting scheduled for December 5th..</span></li> </ul> <h3><span style="font-weight: 400;">18.2.1 - Black Start Working Group (BSWG)</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Not Discussed</span></li> </ul> <h3><span style="font-weight: 400;">18.2.2 - PDCWG</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Not Discussed</span></li> </ul> <h3><a href="/sharing/?token=f24a6e84-f8a6-47a3-b7b7-8f8c10d54325"><span style="font-weight: 400;">18.2.4</span></a><span style="font-weight: 400;"> - System Protection Working Group - SPWG</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">SPWG conducted a survey with TDSPs regarding the system protection topic.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The item will be brought up again in the November Agenda.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Next steps include deciding on the need for a subsequent PGRR or any binding document drafts.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Topic is still actively being worked on.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Update received on the ICCP handbook from NDSWG.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Awaiting feedback from ERCOT for further review.</span></li> </ul> <p><span style="font-weight: 400;">18.2.5 - Not Discussed</span></p> <h2><a href="/sharing/?token=8ad86690-c46d-4a95-aa95-0caba34a5d21"><span style="font-weight: 400;">19</span></a><span style="font-weight: 400;"> - Adjourn&nbsp;</span></h2> <p><br /><br /></p>