Meeting Summary - 10/03/24 ROS Meeting

Grid Monitor AI
10/07/2024

<h2><span style="font-weight: 400;"><img src="/storage/docs/2024/10/ROS_Meeting_Hero_Official_10032024.png" width="864" height="593" /></span></h2> <h2><a href="/sharing/?token=de8dd328-35bf-45a4-b7d4-13e79649c930"><span style="font-weight: 400;">1</span></a><span style="font-weight: 400;"> - Antitrust Admonition Katie Rich</span></h2> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Two alternate representatives were introduced for the meeting.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Chase appointed Kristen Cook as his alternate representative.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Resme appointed Shane Thomas as her alternate representative.</span></li> </ul> <h2><a href="/sharing/?token=99bfeda1-8d10-42e4-854e-4fc4dc3248ce"><span style="font-weight: 400;">2</span></a><span style="font-weight: 400;"> - Agenda Review Katie Rich</span></h2> <h2><a href="/sharing/?token=6fac6c55-c55b-4ed5-9047-ae6fabf129d3"><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;">Agreement to add the minutes to the combo ballot.</span></li> </ul> <h2><a href="/sharing/?token=a19e3fc0-31aa-4eda-9c30-6efcac283d8a"><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;">Discussion on potential changes to the voting and segment structure at the subcommittee level; no formal decisions made.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Encouragement to attend the next TAC meeting in October for updates on potential process changes.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">TAC has requested input from the subcommittees on items to highlight for the board.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Approval of NPRR1244 and NOGRR263 by TAC, which were on the previous agenda.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Approval of the AS methodology by TAC.</span></li> </ul> <h2><a href="/sharing/?token=7b8f6412-a171-4d87-8b9e-ed0c1c0b7511"><span style="font-weight: 400;">5</span></a><span style="font-weight: 400;"> - ERCOT Reports</span></h2> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Three reports were discussed.</span></li> </ul> <h3><a href="/sharing/?token=341ff77d-204b-4cf1-ac73-6a2c8c72728f"><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;">The unofficial peak demand for August was 85,199 MW on August 20, which was 309 MW less than the peak demand earlier in the same month on August 10.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">A solar generation record of 20,836 MW was set on August 19.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Three frequency events occurred due to unit trips, with frequencies recovering quickly.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">No ERCOT Contingency Reserve Service (ECRS) events, Responsive Reserve Service (RRS) events, or DC Tie curtailments were reported.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">34 HRUC commitments were made mainly for system capacity, with some for securing reliability and meeting generator minimum runtime requirements.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Two OCNs were issued due to hot weather on August 7-8 and August 18-20.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Three advisories were issued for Geomagnetic Disturbances of level K-7 or higher.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Congestions were highest on the E_PASP and part of the Start GTCS in August.</span></li> </ul> <h3><a href="/sharing/?token=f090bef2-7c69-45ea-97a9-e451f797dd6a"><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;">The 765 kV preliminary plan was presented at the September RPG meeting.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT plans to continue the 765 kV discussion at the October RPG meeting.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT will publish the annual regional transmission plan report with economic analysis by December.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Reports to include congestion cost savings test and information for market participants.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT is developing the LTSA long term system assessment report and the grid reliability and resiliency report.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Preliminary results will be brought to RPG for discussions before December, but no specific date is set.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Mention of a TSAT implementation schedule update to be discussed.</span></li> </ul> <h3><a href="/sharing/?token=7311db26-e737-4e50-a14d-e09bfccd30da"><span style="font-weight: 400;">5.3</span></a><span style="font-weight: 400;"> - Online TSAT Implementation Schedule Update Douglas Bernhoft</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Douglas Bernhoft provided an </span><a href="/storage/docs/2024/10/tsat_for_ros-2024-10-03_v3.pdf"><span style="font-weight: 400;">update</span></a><span style="font-weight: 400;"> on the real-time implementation of TSAT.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Two scenarios, EASTEX and Raymondville Rio Hondo, are currently in monitoring stages in the real-time production system since July 10.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">TSAT results are generally consistent with expectations, aligned with offline study limits, with sensitivity to real-time voltage coordination.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Plan to implement TSAT limits for EASTEX and Raymondville Rio Hondo starting November 5, with a market notice one week prior.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Additional TSAT scenarios are being tested for more GTCs within the ERCOT system.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Current limits are expected to remain similar; scenarios focusing on renewable impacts are prioritized for studying.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">No specific schedule available for testing other GTCs, such as WESTEX, pending the operations stability analysis team&rsquo;s evaluation.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">TSAT aims to provide more accurate real-time limits, which may vary from offline calculations due to real-time information.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Discount factors used in offline studies are expected to remain for real-time calculations using TSAT.</span></li> </ul> <h2><a href="/sharing/?token=b42ebdcc-de93-4519-abf2-6f0e096dc2c5"><span style="font-weight: 400;">6</span></a><span style="font-weight: 400;"> - New Protocol Revision Subcommittee PRS Referrals Vote Katie Rich&nbsp;</span></h2> <h3><a href="https://dash3.gridmonitor.com/sharing/?token=9b36689e-82d2-4ffa-8573-0f06832c1eeb">6.1</a> - NPRR1247, Incorporation of Congestion Cost Savings Test in Economic Evaluation of Transmission Projects</h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Motion to request PRS continue to table NPRR1247 for further review by PLWG added to combo ballot.</span> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The incorporation of the congestion cost savings test will be included in the annual RTP study.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">PRS has tabled the NPRR pending further review and formal assignment.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT has presented a draft white paper providing details on the cost savings test, which was discussed at the PLWG meeting.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT is working on reply comments to address clarifications requested during discussions.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The next PLWG meeting is scheduled for October 16, with plans to file comments before that meeting.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The packed agenda of previous meetings has impacted scheduling, potentially affecting the October 16 meeting.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">There's a proposal to table the NPRR and refer it to PLWG for further discussion, aiming for a resolution before going back to PRS in November.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT intends to include test results from the new criteria in the RTP study even before approval of the NPRR.</span></li> </ul> </li> </ul> <h2><a href="/sharing/?token=a663c8df-a748-47ce-8384-740536abfac2"><span style="font-weight: 400;">7</span></a><span style="font-weight: 400;"> - NPRR1180, Inclusion of Forecasted Load in Planning Analyses Possible Vote Katie Rich</span></h2> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">NPRR1180 was approved last year by ROS and PRS approved it last month.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT filed comments on NPRR1180 and PGRR107 at the end of August.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">NPRR1180 will undergo IA review this month.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The focus is on ensuring consistent use of 'load' across protocols and guides.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">It was decided to move NPRR1180 forward at PRS without further input.</span></li> </ul> <h2><a href="/sharing/?token=fc380dc0-6e5b-4ac1-8e34-285bfe4b2296"><span style="font-weight: 400;">8</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;">Introduction of IA (Impact Analysis) reviews</span></li> </ul> <h3><a href="/sharing/?token=f7723cb5-b3ed-493d-9d11-9b63c553ca13"><span style="font-weight: 400;">8.1</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 table PGRR107 added to combo ballot.</span> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT needs to wait until the November meeting to complete the Impact Analysis (IA) for PGRR107.</span></li> </ul> </li> </ul> <h3><span style="font-weight: 400;"><a href="https://dash3.gridmonitor.com/sharing/?token=e67f85fa-9739-49b0-b36e-ce9fa537d6e5">8.2</a> - </span>PGRR116, Related to NPRR1240, Access to Transmission Planning Information</h3> <ul> <li style="font-weight: 400;" aria-level="1">Motion to endorse and forward to TAC the 9/9/24 ROS Report and 7/2/24 Impact Analysis for PGRR116 added to combo ballot. <ul> <li style="font-weight: 400;" aria-level="1">No impact IA.</li> </ul> </li> </ul> <h3><span style="font-weight: 400;"><a href="https://dash3.gridmonitor.com/sharing/?token=e67f85fa-9739-49b0-b36e-ce9fa537d6e5">8.3</a> -&nbsp;</span>NOGRR266, Related to NPRR1239, Access to Market Information</h3> <ul> <li>Motion to endorse and forward to TAC the 9/9/24 ROS Report and 7/2/24 Impact Analysis for NOGRR266 added to combo ballot, <ul> <li>No impact IA.</li> </ul> </li> </ul> <h3><span style="font-weight: 400;"><a href="https://dash3.gridmonitor.com/sharing/?token=e67f85fa-9739-49b0-b36e-ce9fa537d6e5">8.4</a> -&nbsp;</span>NOGRR267, Related to NPRR1240, Access to Transmission Planning Information</h3> <ul> <li>Motion to endorse and forward to TAC the 9/9/24 ROS Report and 7/2/24 Impact Analysis for NOGRR267 added to combo ballot. <ul> <li>No impact IA.</li> </ul> </li> </ul> <h3><a href="/sharing/?token=2418b0d5-105d-4b08-9f63-00078dc6a757"><span style="font-weight: 400;">8.5</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;">Motion to table PGRR119 and refer issue to PLWG added to combo ballot.</span> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Reviewed PGRR119 for 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;">The revision will codify the use of a reliability margin when modeling limits associated with this stability constraint in the RTP reliability and economic base cases.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Suggestion to have Dylan's group take up this issue.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Proposal to table and refer it to the Planning Working Group (PLWG).</span></li> </ul> </li> </ul> <h2><a href="/sharing/?token=828b4889-1880-4e42-85e9-9d82a205ae2f"><span style="font-weight: 400;">9</span></a><span style="font-weight: 400;"> - Revision Requests Tabled at PRS and Referred to ROS Possible Vote</span></h2> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Two revision requests are currently tabled.</span></li> </ul> <h3><a href="/sharing/?token=7dd43dc4-1912-460a-9bbe-a34fd605954d"><span style="font-weight: 400;">9.1</span></a><span style="font-weight: 400;"> -&nbsp;</span>NPRR1229, Real-Time Constraint Management Plan Energy Payment</h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">NPRR1229 is currently at WMWG.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Responses were provided by STEC to policy level questions posed by ERCOT.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">No current role for ROS as WMWG is still working through the issues.</span></li> </ul> <h3><a href="/sharing/?token=028e5435-dbfc-46ef-b1c6-a3e61b6db52f"><span style="font-weight: 400;">9.2</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;">NDSWG did not meet in September; additional comments from steel mills are expected to be discussed at the next meeting.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Item NPRR1234 remains tabled for future discussion.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">PGRR107 is to be tabled pending further information expected in November.</span></li> </ul> <h2><a href="/sharing/?token=cb00915e-4fad-4a0c-aa17-ff6120a2b0d6"><span style="font-weight: 400;">10</span></a><span style="font-weight: 400;"> - Revision Requests Tabled at ROS (Possible Vote)</span></h2> <h3><span style="font-weight: 400;">10.1 - PGRR073, Related to NPRR956, Designation of Providers of Transmission Actions</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=182b1179-da4b-4c4d-8868-5f0c5bb159d9"><span style="font-weight: 400;">10.2</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 recommend approval of NOGRR268 as amended by the 9/24/24 ERCOT comments added to combo ballot.</span> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Items NOGRR268 and PGRR118 were previously tabled but were proposed to be moved forward as RTC discussions went smoothly.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT submitted comments on NOGRR268 and PGRR118, proposing modifications to clarify language regarding generation and energy storage.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The proposed language changes suggest references to 'generation' would inherently include energy storage, thus additional mentions of energy storage are unnecessary.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The group agrees to move forward with ERCOT's proposed modifications to these items.</span></li> </ul> </li> </ul> <h3><a href="/sharing/?token=34876e81-91f3-4c40-a9d2-1b582ad71066"><span style="font-weight: 400;">10.3</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 recommend approval of PGRR118 as amended by the 9/20/24 ERCOT comments added to combo ballot.</span></li> </ul> <h2><a href="/sharing/?token=37c45d28-4fc9-455d-86e0-ac777393d0a0"><span style="font-weight: 400;">11</span></a><span style="font-weight: 400;"> - Operations Working Group OWG Rickey Floyd</span></h2> <p><a href="/storage/docs/2024/10/owg_ros_20241003.pdf"><span style="font-weight: 400;">owg_ros_20241003.pdf</span></a></p> <h3><a href="/sharing/?token=23a0f33d-61af-4f3d-b119-fa450fc25742"><span style="font-weight: 400;">11.1</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;">ERCOT is collaborating with PUC staff to finalize the language.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The discussion on this item remains tabled at the Operating Working Group (OWG).</span></li> </ul> <h3><a href="/sharing/?token=73120a00-787e-406e-a34b-4ca4df95203a"><span style="font-weight: 400;">11.2</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;">Oncor filed comments on April 18, 2024, regarding voluntary registration of loads with curtailable load capabilities.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">OWG reached consensus on Oncor's comments at their last meeting.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT presented use cases during the meeting demonstrating the impact of considering VECLs on total load for load shedding.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT's example showed specific entities' load at 0.39% of ERCOT's total load, which could rise to 2.75% if VECls were included.</span></li> </ul> <h3><a href="/sharing/?token=61fa4b59-f46a-47f6-9105-c94b90d52ee7"><span style="font-weight: 400;">11.3</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;">Oncor filed comments on NOGRR265 and OWG reached a consensus on these comments.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Fred provided a status update on NPRR1238 comments, stating they are close to finalizing and expect to file them before the upcoming October OWG meeting.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Consensus generally aligns with Oncor&rsquo;s comments, with clarifications needed on low shader calculations and ramping codification.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Blake from LCRA expressed concerns about the lack of a remote control disconnection device requirement for VECL at the DSP level, suggesting language to address this.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Golden Spread's Chris mentioned no anticipated distribution disconnects for VECLs and emphasized the need for coordination with ERCOT.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Ken Bowen from CPS Energy raised the issue of load ratio share calculation related to transmission projects and entity recovery rates.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Lloyd commented on the safety aspects of remote control of breakers for large loads, advocating for notice and adherence to good utility practices.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Ricky discussed the process of OWG referring additional comments on NOGRR and NPRR back to OWG, and agreed to reconsider them next month.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Bob Whitmer emphasized the urgency of implementing early curtailment loads to protect firm loads and prevent unnecessary risk to vulnerable populations.</span></li> </ul> <h2><a href="/sharing/?token=bfb82a77-d26a-4298-9e5b-551fcfa3764d"><span style="font-weight: 400;">12</span></a><span style="font-weight: 400;"> - Planning Working Group PLWG Dylan Preas</span></h2> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Dylan Preas was asked to provide an </span><a href="/storage/docs/2024/10/planning_working_group_update_10032024.pdf"><span style="font-weight: 400;">update</span></a><span style="font-weight: 400;"> under the Planning Working Group (PLWG) agenda item.</span></li> </ul> <h3><a href="/sharing/?token=3565c721-751d-4e8b-aa38-991a083796b2"><span style="font-weight: 400;">12.1</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;">PLWG met on September 24 to discuss PGRR115.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Reviewed comments from Centerpoint Energy, Oncor, and Steel Mills on PGRR115.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Discussed large load rules and processes, including incorporation into QSA.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Covered dynamic study requirements and deadlines for LLIS process.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Explored inclusion of entities into LLIS process, such as DSP's and resource entities for co-located large loads.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Anticipation of ERCOT reply comments to the presented comments.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The item was tabled for further discussion by the PLWG.</span></li> </ul> <h3><a href="/sharing/?token=185cd6a0-f422-4d21-80c0-7228a942b976"><span style="font-weight: 400;">12.2</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;">LCRA provided reply comments on PGRR117 regarding impact, duration, and frequency of outages.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT proposed a future NPRR to assess whether upgrades meet resiliency criteria and their benefits.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">PGRR117 discussion was tabled for the next meeting.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Discussion on ERCOT's draft white paper on NPRR1247 regarding congestion cost savings test.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">NERC-related topics included standards NERC CIP-014 on physical security and NERC TPL-008 on extreme weather standards.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Open action item on PGRR107 regarding review of load in the planning guide discussed.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT acknowledged the significant effort required to update more than 4000 instances of 'load' in protocols and planning guides.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">PLWG will keep the action item open to align terminology over time.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Suggestions were discussed to incorporate terminology checks during future revision requests.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">PGRR119 added to the agenda for future consideration.</span></li> </ul> <h2><a href="/sharing/?token=9467621a-005b-47cd-89de-5a89cc524cb9"><span style="font-weight: 400;">13</span></a><span style="font-weight: 400;"> - Dynamics Working Group DWG Paul Koberlein</span></h2> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Paul Koberlein </span><a href="/storage/docs/2024/10/dwg_report_to_ros-10032024.pdf"><span style="font-weight: 400;">presented</span></a><span style="font-weight: 400;"> a short update on procedure manual updates, aiming to align it with NOGRR245's language.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The draft procedure manual was posted on the DWG landing page two months ago for review.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">No comments were received on the draft, and approval is being requested to remove the draft status.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Upon ROS approval, the draft language, watermarks, and titles will be removed from the procedure manual.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The procedural manual will be reposted to the DWG landing page and becomes effective upon approval.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Clarification was made that there is no gray box language for NOGRR245, and the changes are effective as of October 1.</span></li> </ul> <h2><a href="/sharing/?token=8b2e0d01-1912-4843-9521-c5aa87d1409a"><span style="font-weight: 400;">14</span></a><span style="font-weight: 400;"> - Combo Ballot Vote Katie Rich</span></h2> <p><span style="font-weight: 400;"><img src="/storage/docs/2024/10/ROS_Combined_Ballot_Details_10032024_2e9qhtxdv6gw.png" width="855" height="211" /></span></p> <p><img src="/storage/docs/2024/10/ROS_Combined_Ballot_vote_10032024.png" width="854" height="821" /></p> <h2><a href="/sharing/?token=d6b726ce-203b-4da4-b82c-5b4b40dc42e7"><span style="font-weight: 400;">15 </span></a><span style="font-weight: 400;">- Inverter Based Resources Working Group IBRWG Julia Matevosyan</span></h2> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Discussed procedure manual update with changes from DWG manual and updated tools for testing.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Mark Henry presented a standards update with three standards developed; PRC-030 and PRC-028 received sufficient votes, PRC-029 faced industry disagreements.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Fred Huang presented a draft proposal for advanced grid support from energy storage resources with a focus on grid forming functions; ERCOT seeking feedback.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Addressed primary frequency response performance issues in inverter based resources, specifically wind and solar under deep curtailment.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT continues to seek feedback from OEMs to understand technology limitations and propose solutions.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Update on NOGRR245, which has been approved at PUC with a follow up NOGRR to be developed.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Discussed ROCOF and phase jump measurement items; understanding OEM methods for frequency measurement and response.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT aims to align evaluation methods with OEM limitations for frequency response and ROCOF assessment.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Fred provided update on tentative schedule for advanced grid support ESR adoption request, aiming for end-of-year submission.</span></li> <li style="font-weight: 400;" aria-level="1"><strong>Next Meeting Date:</strong><span style="font-weight: 400;"> October 11</span></li> </ul> <p>&nbsp;</p> <h2><a href="/sharing/?token=9d24132a-99fe-41ac-9dcd-4d68e361a62a"><span style="font-weight: 400;">16</span></a><span style="font-weight: 400;"> - Performance, Disturbance, Compliance Working Group PDCWG Kevin Bunch</span></h2> <p><a href="/storage/docs/2024/10/pdcwg_report_to_ros_100324.pdf"><span style="font-weight: 400;">pdcwg_report_to_ros_100324.pdf</span></a></p> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">PDCWG met on September 18 with a short meeting.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Reviewed general archive frequency control metrics and regulation reports.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Received a brief update regarding the BAL-001 SAR related to ESRs.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Reviewed two non-frequency events and one frequency event in a closed meeting; events appeared standard with no extremes.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Observation that frequency events have decreased over the last decade, from eight or nine per month to about one a month.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">IMFR was increased to 1552, exceeding expectations.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Upcoming meeting in October is likely to be canceled due to light agenda unless something new arises.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Encouragement for members to attend the IBR meeting next week regarding frequency change.</span></li> </ul> <h2><a href="/sharing/?token=5530fb9b-3eae-4b87-bda6-bb985b385b3e"><span style="font-weight: 400;">17</span></a><span style="font-weight: 400;"> - Steady State Working Group SSWG William Robertson</span></h2> <p><a href="/storage/docs/2024/10/sswg_report_to_ros_10032024.pdf"><span style="font-weight: 400;">sswg_report_to_ros_10032024.pdf</span></a></p> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Two tuning sessions for the 24 SSWG case build were held last week.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">A business meeting occurred last Wednesday, with the case build nearly complete.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">There are no expected delays in posting final cases.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The target date for the final cases posting is October 11.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT will also post the TPIT and CR report on the same date.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Next steps include updating the planning data dictionary and contingency definitions.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Final posting for the planning data dictionary and contingency definitions is scheduled for October 25.</span></li> </ul> <h2><a href="/sharing/?token=5725630e-3cce-47eb-b1aa-64e19deacd96"><span style="font-weight: 400;">18</span></a><span style="font-weight: 400;"> - Operations Training Working Group OTWG Manuel Sanchez</span></h2> <p><a href="/storage/docs/2024/10/otwg_updates_10032024.pdf"><span style="font-weight: 400;">otwg_updates_10032024.pdf</span></a></p> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Aircraft operator certification exam has been temporarily suspended due to issues with testing centers. Notification sent to market participants on September 9.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Efforts are ongoing to resolve certification exam issues; notifications will be sent upon resolution.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Annual ERCOT Blackstart training seminar scheduled from October 15 - November 21, including computer-based training and in-person simulation exercises.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Participants can earn continuing education hours (CEHs), must complete the entire day's session for credit.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Computer-based training is released weekly, attendees can contact ERCOT service desk for assistance.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">ERCOT TSP IRL training is under initial discussion to develop objectives and content, focused on TOS with sensitive topics.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">No additional questions or comments were raised during the session.</span></li> </ul> <h2><a href="/sharing/?token=64a3ed54-39a7-4b02-ac57-8b06b5f9534a"><span style="font-weight: 400;">19</span></a><span style="font-weight: 400;"> - Black Start Working Group BSWG Michael Dieringer</span></h2> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The Blackstart Working Group met on September 19 in a closed session.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Topics included how to utilize DEERS during black start events.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">A roundtable Q&amp;A session was held between the working group, DEERS, and ERCOT.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Additional information will be provided in the future.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Preliminary stages of a NOGRR for satellite phone requirements were discussed.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Participants received a copy of the NOGRR to review and provide feedback by the next meeting.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">A vote confirmed Michael Dieringer as chairman and Alex Lee as vice-chair.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Blackstart plans are due on November 1.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The next meeting will occur on December 11, requiring an NDA for participation.</span></li> </ul> <h2><a href="/sharing/?token=d9178e97-c85a-4270-b89e-acca162bd872"><span style="font-weight: 400;">20</span></a><span style="font-weight: 400;"> - Other Business Katie Rich</span></h2> <h3><a href="/sharing/?token=c8c1889c-e462-4988-a73c-26ed31c909e0"><span style="font-weight: 400;">20.1</span></a><span style="font-weight: 400;"> - 2025 ERCOT Membership/Segment Representative Elections Suzie Clifton</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Reminder of upcoming 2025 membership process</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Notifications have been sent out</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Date of record is Friday, November 1st and elections will commence on following Tuesday, November 5th</span></li> </ul> <h3><a href="/sharing/?token=3568e8e7-5e0d-41ff-b006-243a919f8b6c"><span style="font-weight: 400;">20.2</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 about the upcoming ERCOT membership segment representative elections starting on November 5, 2025.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Discussion on the transmission, reclosing, and sectionalizing schemes for IBR ride through, with intent to follow up with absent members.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">NDSWG leadership progress on nodal ICCP communication handbook initiated in April.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Update on ERCOT protocols and planning guides regarding the correct use of terms; mention of necessary modifications and timing for agenda review.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Clarification about different definitions of generation in context with storage and RTC.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">EPA regulations and their relevance to ongoing court discussions were retained as action items.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Discussion on calculating load shedding in real-time and potential relevance of NPRR 1238.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">A TAC assignment on the September 6 event involving analysis by several working groups.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Consideration of updates on single model revision requests and their implications.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Intention to narrow down the open action items list by the end of the year.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">The ballot motion was carried 100% in favor.</span></li> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Acknowledgement of next meeting on November 7, to be conducted in person.</span></li> </ul> <h3><span style="font-weight: 400;">20.3</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=e952c9d5-1d10-4fc5-bb2a-d8b63c45c2a1"><span style="font-weight: 400;">20.3.1</span></a><span style="font-weight: 400;"> Network Data Support Working Group (NDSWG)</span></h3> <ul> <li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">No NDSWG leadership was on the call, unsure if any progress has been made since April of this year</span></li> </ul> <h3><span style="font-weight: 400;">20.3.2 - 20.3.3</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=4d3ee98a-9045-4e1d-8da3-3f28bfb31a5c"><span style="font-weight: 400;">21</span></a><span style="font-weight: 400;"> - Adjourn Katie Rich</span></h3> <p><span style="font-weight: 400;">&nbsp;</span></p> <p>&nbsp;</p>