Frame

Meeting Summary - 02/27/2025 TAC Meeting

Grid Monitor AI
02/28/2025

<div class="news-image-container"><img src="/storage/docs/2025/02/022725TACHero.png" /></div> <h3><a href="/sharing/?token=0ec27207-c7b5-45a8-ac3f-f49d9a42e483">▶️</a>1 - Antitrust Admonition</h3>  <a href="/storage/docs/2025/02/TAC%20Meeting%20Agenda.pdf">Agenda_tac_022725_finalv2</a> <h3><a href="/sharing/?token=22ba17df-4feb-422d-88be-3c700dbbbc7f">▶️</a>2 - Approval of TAC Meeting Minutes (Vote)</h3> <a href="/storage/docs/2025/02/Minutes%20of%20January%20TAC%20Meeting.pdf">Draft-minutes-tac-20250122</a> <h4><a href="/sharing/?token=503494b5-f5bd-4b94-a465-bed2320de4ef">▶️</a>2.1 - January 22, 2025</h4> <ul> <li style="font-weight: 400;" aria-level="1">Motion to approve the January 22, 2025 meeting minutes added to the combo ballot.</li> </ul> <h3><a href="/sharing/?token=538ca060-6c11-4166-b4a0-05615dea29ab">▶️</a>3 - Meeting Updates</h3> <ul> <li style="font-weight: 400;" aria-level="1">Reviewing PUC and ERCOT board meetings, since the January TAC meeting.</li> </ul> <h4><a href="/sharing/?token=386954b4-95cc-4739-8892-7221dabc220d">▶️</a>3.1 - February Board Meeting</h4> <ul> <li style="font-weight: 400;" aria-level="1">Board approved all revision requests and confirmed TAC leadership.</li> <li style="font-weight: 400;" aria-level="1">Discussion and staff memo at PUC regarding ADER Pilot Program.</li> <li style="font-weight: 400;" aria-level="1">Proposal to move ADER Pilot Program Task Force from PUC to ERCOT.</li> <li style="font-weight: 400;" aria-level="1">PUC filed a memo recommending the pilot program be moved to the stakeholder process.</li> </ul> <h4><a href="/sharing/?token=ea70cc1a-5694-4804-8a8d-e1219a011209">▶️</a>3.2 - February PUCT Open Meetings</h4> <ul> <li style="font-weight: 400;" aria-level="1">Dave Maggio discusses how the Commission supported a recommendation and transition during their open meeting on February 13.</li> <li style="font-weight: 400;" aria-level="1">The goal is to set the stage for ongoing developments with the ADER Task Force and the pilot.</li> <li style="font-weight: 400;" aria-level="1">Discussion is needed on where the initiative should reside within the stakeholder process.</li> </ul> <h5><a href="/sharing/?token=eee2c562-a58c-4c1d-87bb-ee376a5b483a">▶️</a>3.2.1 - ADER Pilot Program</h5> <a href="/storage/docs/2025/02/ADER%20Pilot%20Program%20Transition.pdf">ADER Pilot Program Transition - ERCOT - 022725 - Final</a> <ul> <li style="font-weight: 400;" aria-level="1">Dave Maggio discusses the ADER Pilot Program which started in late 2022 and is currently in Phase 2, with discussions ongoing about moving to Phase 3.</li> <li style="font-weight: 400;" aria-level="1">Three ADERs are actively participating and have been growing in size. </li> <li style="font-weight: 400;" aria-level="1">An additional 8 ADERs have been approved and are in various stages of registration.</li> <li style="font-weight: 400;" aria-level="1">The total capacity includes over 25 MW for energy, 11 MW for non-spin, and 8.8 MW for ECRS.</li> <li style="font-weight: 400;" aria-level="1">Phase 3 proposes moving ADERs to a participation model similar to non-controllable resources to facilitate smoother integration.</li> <li style="font-weight: 400;" aria-level="1">There was a recommendation to allow third-party aggregators to participate when individual premises exceed 100 kW, creating a compromise between increased competition and consumer protection.</li> <li style="font-weight: 400;" aria-level="1">The pilot participation limit is proposed to be doubled from 80 MW to 160 MW for energy and from 40 MW to 80 MW for ancillary services.</li> <li style="font-weight: 400;" aria-level="1">Two non-consensus items were identified: direct participation of third-party aggregators and flexibility in pilot limits.</li> <li style="font-weight: 400;" aria-level="1">Discussions around the governance document have highlighted consumer protection concerns and the implications for the load-serving entities.</li> <li style="font-weight: 400;" aria-level="1">Stakeholders, including TAC, are considering where discussions and decisions regarding the ADER pilot should reside within the broader ERCOT stakeholder process.</li> <li style="font-weight: 400;" aria-level="1">The proposed changes and discussions will be moved to WMS for further discussions and resolutions.</li> <li style="font-weight: 400;" aria-level="1">The ADER governance document with proposed changes will be shared with stakeholders for review.</li> </ul> <h3><a href="/sharing/?token=d6c35a3c-065d-412c-ab16-ad5163546c1b">▶️</a>4 - 2025 TAC Goals/Strategic Objectives (Vote)</h3> <a href="/storage/docs/2025/02/2025%20TAC%20Strategic%20Objectives.pdf">TAC 2025 Strategic Objectives Draft Henson 2-13-25</a> <a href="/storage/docs/2025/02/2024%20TAC%20Goals.pdf">2024-tac-goals-approved-021424</a>  <a href="/storage/docs/2025/02/Count%20of%20Revision%20Request%20addressing%20TAC%20Goals.pdf">Revision Request Alignment with 2024 TAC Goals 121724</a> <ul> <li style="font-weight: 400;" aria-level="1">Motion to approve the 2025 TAC Strategic Objectives added to the combo ballot.</li> <ul> <li style="font-weight: 400;" aria-level="2">Goals became unmanageable; lacked consistency and accountability.</li> <li style="font-weight: 400;" aria-level="2">Previously had 20+ goals; now focusing on top three consistent goals and introducing two new ones.</li> <li style="font-weight: 400;" aria-level="2">New objectives:Timeless and evergreen objectives, Enhanced action item tracking</li> <li style="font-weight: 400;" aria-level="2">Suggestion made to include 'cost effective' in 'promote market solutions' and modify Item 4 to 'technical and policy perspectives'.</li> <li style="font-weight: 400;" aria-level="2">Discussion about whether to include '2025' in the objectives - consensus is to include it but revisit annually.</li> <li style="font-weight: 400;" aria-level="2">Vote proposed with changes integrated for approval.</li> </ul> </ul> <h3><a href="/sharing/?token=e1b016fc-fb62-476f-9a82-1ba87bce7666">▶️</a>5 - Review of Revision Request Summary/ERCOT Market Impact Statement/Opinions</h3> <a href="/storage/docs/2025/02/Revision%20Request%20Summary.pdf">5-rr-summary</a> <ul> <li style="font-weight: 400;" aria-level="1">NPRR1241: Falls under general system process improvement with no impact. ERCOT supports approval with a positive market impact statement. No credit impacts. IMM supports it.</li> <li style="font-weight: 400;" aria-level="1">VCMRR042: Aligns with strategic plan objective two, with a 90k to 120k impact. ERCOT supports approval with a positive market impact statement. IMM supports it.</li> <li style="font-weight: 400;" aria-level="1">NPRR1190: Tabled for TAC review; involves general system process improvements with no impact. ERCOT supports it, but is revisiting their opinion based on comments. A finalized position is expected in one to two weeks.</li> <li style="font-weight: 400;" aria-level="1">IMM Feedback: Supports more granular, accurate pricing for emissions costs in verifiable cost calculation. Supports the move away from a knife-edge approach to clawback reflecting noncompliance extent.</li> </ul> <h3><a href="/sharing/?token=95cf1e3b-657a-4b71-a804-cd64acab22cf">▶️</a>6 - PRS Report (Vote)</h3> <a href="/storage/docs/2025/02/PRS%20Memo%20to%20TAC%20Meeting.pdf">PRS Memo to TAC Meeting</a> <a href="/storage/docs/2025/02/PRS%20Report.pdf">PRS Presentation to TAC 022725</a> <ul> <li style="font-weight: 400;" aria-level="1">Andy Nguyen introduced himself as the PRS Vice Chair.</li> </ul> <h4><a href="/sharing/?token=46295241-24e6-4a8c-b35a-5caf584ac395">▶️</a>6.1 - NPRR1241, Firm Fuel Supply Service (FFSS) Availability and Hourly Standby Fee</h4> <ul> <li style="font-weight: 400;" aria-level="1">Motion to recommend approval of NPRR1241 as recommended by PRS in the 2/12/25 PRS Report added to the combo ballot.</li> <ul> <li style="font-weight: 400;" aria-level="2">NPRR1241, regarding firm fuel supply service availability and hourly standby fee, was largely unopposed.</li> <li style="font-weight: 400;" aria-level="2">No impact on the IA was reported.</li> <li style="font-weight: 400;" aria-level="2">Several new items were discussed at PRS but were tabled for future meetings.</li> <li style="font-weight: 400;" aria-level="2">Announcements about new real-time co-optimization items were made.</li> <li style="font-weight: 400;" aria-level="2">IMM and ERCOT highlighted key revision requests from substantive discussions over the past year.</li> <li style="font-weight: 400;" aria-level="2">Stakeholders are encouraged to engage with the items at the RTC task force as they will move forward at the next PRS.</li> <li style="font-weight: 400;" aria-level="2">NPRR1241 was proposed to be included on a combo ballot, with one noted abstention on language at PRS.</li> </ul> </ul> <h3><a href="/sharing/?token=51303fa5-58cd-41e7-9764-c972345d300f">▶️</a>6.2 - Project Update</h3> <a href="/storage/docs/2025/02/Project%20Update.pdf">TAC_February_2025_Project_Update</a> <ul> <li style="font-weight: 400;" aria-level="1">Troy Anderson provided project update which is usually done at PRS, but presented at TAC to increase awareness of project issues.</li> <li style="font-weight: 400;" aria-level="1">Emphasized a backlog of revision requests post-Winter Storm Uri and during RTC, with approximately 50 items yet to be delivered.</li> <li style="font-weight: 400;" aria-level="1">Outlined a planned review of these items for post-RTC plans by 2026.</li> <li style="font-weight: 400;" aria-level="1">Discussed impact analysis on the accuracy of cost estimates for projects completed over the past three years.</li> <li style="font-weight: 400;" aria-level="1">Reported that 15 out of 29 projects were within cost range estimates, but some had significant variance.</li> <li style="font-weight: 400;" aria-level="1">Highlighted a specific project, NPRR1040, which was 500% over initial IA due to unexpected complexity.</li> <li style="font-weight: 400;" aria-level="1">Some projects, like NPRR1108, were delivered under budget, showcasing variance in estimates.</li> <li style="font-weight: 400;" aria-level="1">Duration estimates are becoming more accurate, with 11 out of 29 projects within estimated timelines and more coming under time.</li> <li style="font-weight: 400;" aria-level="1">Acknowledged feedback that plus or minus 20% is a reasonable accuracy expectation for IA estimates.</li> <li style="font-weight: 400;" aria-level="1">Discussed priority and rank within the project list to determine the order of project execution.</li> <li style="font-weight: 400;" aria-level="1">Noted that elderly revision requests are being planned for review and implementation.</li> </ul> <h3><a href="/sharing/?token=faa3689a-2990-43f7-807a-8605e73313bd">▶️</a>7 - Revision Requests Tabled at TAC (Possible Vote)</h3> <h4><a href="/sharing/?token=e4616b44-6947-418a-898e-3ab55e9dfcb8">▶️</a>7.1 - NPRR1190, High Dispatch Limit Override Provision for Increased Load Serving Entity Costs</h4> <a href="/storage/docs/2025/02/NPRR1190%20comments%20from%20Reliant%20Energy.pdf">NPRR1190 comments from Reliant Energy</a> <div class="news-image-container"><img src="/storage/docs/2025/02/TAC022725NPRR1190Ballot.png" /></div> <ul> <li style="font-weight: 400;" aria-level="1">Motion to recommend approval of NPRR1190 as recommended by TAC in the 6/24/24 TAC Report as amended by the 2/26/25 ERCOT comments passed with 26 ayes, 4 nays, and no abstentions.</li> <ul> <li style="font-weight: 400;" aria-level="2">Reliant, ERCOT, and residential consumers filed comments regarding NPRR1190.</li> <li style="font-weight: 400;" aria-level="2">Reliant proposed an annual settlement cost trigger of $10 million to prompt a review if exceeded.</li> <li style="font-weight: 400;" aria-level="2">WMS discussions revealed mixed support for the proposal; however, some stakeholders are fundamentally opposed.</li> <li style="font-weight: 400;" aria-level="2">ERCOT filed comments suggesting the $10 million threshold may be too high and proposed lowering it.</li> <li style="font-weight: 400;" aria-level="2">Residential consumers expressed opposition based on underlying policy concerns, but acknowledged the stakeholder efforts.</li> <li style="font-weight: 400;" aria-level="2">The TAC voted on compromise, with most votes favoring approval, despite some opposition from consumer representatives.</li> <li style="font-weight: 400;" aria-level="2">The motion was passed and will be recommended to the April board, with a need for further discussion of the underlying principles.</li> </ul> </ul> <h4><a href="/sharing/?token=5adc3bd3-63fe-4a8e-801a-8f0df3f7a0c3">▶️</a>7.2 - NOGRR264, Related to NPRR1235, Dispatchable Reliability Reserve Service as a Stand-Alone Ancillary Service</h4> <ul> <li style="font-weight: 400;" aria-level="1">NOGRR264 is currently tabled, pending NPRR1235 developments.</li> <li style="font-weight: 400;" aria-level="1">A workshop related to the items is scheduled for the following day.</li> </ul> <h3><a href="/sharing/?token=c6931bb8-0032-4123-b7d0-bac9f19ff937">▶️</a>8 - RMS Report</h3> <a href="/storage/docs/2025/02/RMS%20Update.pdf">8-rms-report</a> <ul> <li style="font-weight: 400;" aria-level="1">No voting items for TAC.</li> <li style="font-weight: 400;" aria-level="1">RMS approved 2025 retail leadership, a mix of REPs and TDSPs with 3 people holding multiple roles.</li> <li style="font-weight: 400;" aria-level="1">Update on NPRR1266: ERCOT to investigate usage of customer billing information for better accuracy. Requires PUCT approval.</li> <li style="font-weight: 400;" aria-level="1">Profiling working group busy with annual validation for residential and nonresidential customers.</li> <li style="font-weight: 400;" aria-level="1">Retail market training task force updated MarkeTrak and training modules in response to Texas SET 5.0 and MarkeTrak SCR817 changes.</li> <li style="font-weight: 400;" aria-level="1">Discussion raised concerns about the use of customer billing data, stressing caution due to sensitive information.</li> <li style="font-weight: 400;" aria-level="1">Texas SET is updating the Texas market test plan to ensure accuracy and clarity with new market participants.</li> <li style="font-weight: 400;" aria-level="1">Efforts to reduce inadvertent gains showing positive results—all-time low number of gains in ten years.</li> <li style="font-weight: 400;" aria-level="1">Next meeting scheduled for April 1, and May meeting to be rescheduled due to ERCOT Innovation Summit.</li> </ul> <h3><a href="/sharing/?token=d34f5ed3-f379-4792-8ae8-e96a3e66e472">▶️</a>9 - ROS Report</h3> <a href="/storage/docs/2025/02/ROS%20Report.pdf">9-ros-report</a> <ul> <li style="font-weight: 400;" aria-level="1">No voting items were presented at the meeting.</li> <li style="font-weight: 400;" aria-level="1">December actions went back to PRS, and IA review is ongoing for a couple of important PGRRs.</li> <li style="font-weight: 400;" aria-level="1">NPRR1265 was referred to the NDSWG for review.</li> <li style="font-weight: 400;" aria-level="1">Issue related to financial matters was concluded with no further role for ROS.</li> <li style="font-weight: 400;" aria-level="1">There is one open seat for Vice Chair on PDCWG.</li> <li style="font-weight: 400;" aria-level="1">Next meeting will be in person next Thursday, with key items to be discussed.</li> </ul> <h3><a href="/sharing/?token=aed5a544-30a5-4843-b082-8e3a2897ece3">▶️</a>10 - WMS Report (Vote)</h3> <a href="/storage/docs/2025/02/WMS%20Report.pdf">10-wms-report</a> <ul> <li style="font-weight: 400;" aria-level="1">Blake Holt provided highlights from the February 5 meeting.</li> <li style="font-weight: 400;" aria-level="1">Focus on transitioning goals to align with the TAC approach of strategic objectives.</li> <li style="font-weight: 400;" aria-level="1">Further discussions on strategic objectives planned for the next meeting.</li> <li style="font-weight: 400;" aria-level="1">A solution was reached after numerous discussions.</li> </ul> <h4><a href="/sharing/?token=8a288cad-d49c-4d58-8476-2eb40649bb4d">▶️</a>10.1 - VCMRR042, SO2 and NOx Emission Index Prices Used in Verifiable Cost Calculations</h4> <ul> <li style="font-weight: 400;" aria-level="1">Motion to recommend approval of VCMRR042 as recommended by WMS in the 2/5/25 WMS Report added to the combo ballot.</li> <ul> <li style="font-weight: 400;" aria-level="2">VCMRR042 introduces seasonal pricing for NOx emissions during May through September and retains annual index prices for SO2 throughout the year.</li> <li style="font-weight: 400;" aria-level="2">The item was forwarded to TAC for a vote.</li> <li style="font-weight: 400;" aria-level="2">Clarification was made that SO2 applies every month while NOx only applies during the summer.</li> <li style="font-weight: 400;" aria-level="2">WMS recommended approval of VCMRR042, integrating these costs into the marginal cost of burning fuel.</li> <li style="font-weight: 400;" aria-level="2">Related items discussed include PGRR028, which extends guidelines for loss compensation to include limiting reactors, NPRR1256 introducing ESRs as must-run alternatives, and NPRR1200 was withdrawn.</li> <li style="font-weight: 400;" aria-level="2">NPRR1238 is still being discussed by ROS, but market-related discussions have concluded.</li> <li style="font-weight: 400;" aria-level="2">NPRR1202 introduces refundable deposits and fees for large load interconnections; ERCOT is considering incorporating these into NPRR1234.</li> <li style="font-weight: 400;" aria-level="2">Next meeting is scheduled for March 5.</li> </ul> </ul> <h3><a href="/sharing/?token=88b41c1d-f64e-467e-b2ab-206094f9ac38">▶️</a>11 - Credit Finance Sub Group Report</h3> <a href="/storage/docs/2025/02/Credit%20Finance%20Sub%20Group%20Update.pdf">11-cfsg-report</a> <ul> <li style="font-weight: 400;" aria-level="1">Meeting was held on February 19.</li> <li style="font-weight: 400;" aria-level="1">Discussion of operational NPRRs that did not have credit impacts.</li> <li style="font-weight: 400;" aria-level="1">ERCOT presented draft NPRR revisions related to EAL formulas.</li> <li style="font-weight: 400;" aria-level="1">Regular credit exposure update was given.</li> <li style="font-weight: 400;" aria-level="1">Total potential exposure increased slightly, attributed to higher prices and forward adjustment factors.</li> <li style="font-weight: 400;" aria-level="1">Average discretionary collateral rose from $3.98 billion in December to $5.1 billion in January 2025.</li> <li style="font-weight: 400;" aria-level="1">No unusual collateral call activity reported.</li> <li style="font-weight: 400;" aria-level="1">Monthly report provided on bank standings with outstanding capacity.</li> </ul> <h3><a href="/sharing/?token=e18478e7-55de-4d83-b466-5022669763bf">▶️</a>12 - RTC+B Task Force Report</h3> <a href="/storage/docs/2025/02/RTC+B%20Task%20Force.pdf">12-rtcbtf_tac_update_02272025</a> <ul> <li style="font-weight: 400;" aria-level="1">Preview of RTC+B was mentioned during PRS, highlighting a detailed discussion about the timeline towards the April board for implementation.</li> <li style="font-weight: 400;" aria-level="1">Emphasis on the importance of upcoming meetings: RTC+B next week, PRS the following, and March TAC two weeks later, targeting April board approval for timely go-live implementation.</li> <li style="font-weight: 400;" aria-level="1">Detailed presentation on NPRR1268 and NPRR1269, with additional discussion planned if needed.</li> <li style="font-weight: 400;" aria-level="1">Introduction of a new sandbox testing area for vendors, IT shops, and market participants, with real-time trials planned for May.</li> <li style="font-weight: 400;" aria-level="1">Discussion of integration and impact of various NPRRs, especially NPRR1268, NPRR1269, NPRR1270, on the ERCOT systems, emphasizing no interface perspective changes.</li> <li style="font-weight: 400;" aria-level="1">Resolution of 3 key policy issues: proxy offers, scaling factors, AS ramping with energy sharing, and implementation of AS demand curves in RUC.</li> <li style="font-weight: 400;" aria-level="1">Completed and pending handbooks for market trials discussed to ensure readiness with active task force management.</li> <li style="font-weight: 400;" aria-level="1">Detailed discourse on NPRR1268, discussing modified AS demand curves and clarifying comments from IMM and ERCOT.</li> <li style="font-weight: 400;" aria-level="1">Open discussion on NPRR1269 stating issues of AS proxy offers and the reduced risk due to elimination of automatic offers for some services.</li> <li style="font-weight: 400;" aria-level="1">Comments from various stakeholders such as TCPA, IMM, and others, about NPRR1268, NPRR1269, and the methods of prorating demand for reliable operations.</li> <li style="font-weight: 400;" aria-level="1">Reiteration of a coordinated approach between PRS and TASK leadership to strategize planning, with the possibility of additional meetings if necessary.</li> </ul> <h3><a href="/sharing/?token=7fa81032-be45-4c94-8396-e84dcc2c1f3c">▶️</a>13 - ERCOT Reports - 1:05 p.m.</h3> <h4><a href="/sharing/?token=d441b4ee-29e3-434d-819d-59010724e9f9">▶️</a>13.1 - Large Load Interconnection Status Update</h4> <a href="/storage/docs/2025/02/Large%20Load%20Interconnection%20Status%20Update.pdf">LLI Queue Status Update - 2025-2</a> <ul> <li style="font-weight: 400;" aria-level="1">15 GW increase in load queue in the last month, totaling 99 gigawatts.</li> <li style="font-weight: 400;" aria-level="1">Load categories: No study submitted, Under ERCOT review, Planning studies approved, Approved to energize but not operational, Observed energized</li> <li style="font-weight: 400;" aria-level="1">1,827 MWs of load approved to energize in the last twelve months.</li> <li style="font-weight: 400;" aria-level="1">Total 6,306 MWs approved to energize; half in the West, others in different zones.</li> <li style="font-weight: 400;" aria-level="1">Non-simultaneous monthly peak consumption for February 2025: 3,322 MWs.</li> <li style="font-weight: 400;" aria-level="1">Simultaneous peak of 3,109 MWs in February 2025.</li> <li style="font-weight: 400;" aria-level="1">Clarification on 'observed energized' peak numbers and discrepancies highlighted.</li> <li style="font-weight: 400;" aria-level="1">Request for segmentation by industry of large loads in queue.</li> <li style="font-weight: 400;" aria-level="1">Discussion on manual processes vs future easier classification with new processes (NPRR1234 and PGRR115).</li> <li style="font-weight: 400;" aria-level="1">Significance of standalone vs collocated projects discussed.</li> <li style="font-weight: 400;" aria-level="1">Questions on inclusion of observed colocated generation and load data in other reports.</li> <li style="font-weight: 400;" aria-level="1">Discussion on breakout of load zones requested but concerns due to disclosure.</li> <li style="font-weight: 400;" aria-level="1">15 GWs all are new requests under review, not yet energized.</li> <li style="font-weight: 400;" aria-level="1">Potential tracking of projects by entity and affiliates suggested for transparency.</li> </ul> <h4><a href="/sharing/?token=4eda1271-82cb-40c5-9317-e14870c8dbd3">▶️</a>13.2 - Market Design Framework Update</h4> <ul> <li style="font-weight: 400;" aria-level="1">Plan to discuss it as a separate item at the end of the next month's meeting for focused discussion.</li> <li style="font-weight: 400;" aria-level="1">Discussion will cover key points and additional attributes offered previously.</li> <li style="font-weight: 400;" aria-level="1">Keith Collins aims to align the market design framework with TAC annual goals and strategic objectives.</li> <li style="font-weight: 400;" aria-level="1">Intention is to integrate recommendations consistently with board and TAC objectives.</li> </ul> <h4><a href="/sharing/?token=a85308d9-be54-409e-87cf-54d4baae4f93">▶️</a>13.3 - ERCOT Board/Stakeholder Engagement Update</h4> <a href="/storage/docs/2025/02/ERCOT%20Board%20Stakeholder%20Engagement%20Update.pdf">Board Stakeholder Engagement Update (2.27 TAC)</a> <ul> <li style="font-weight: 400;" aria-level="1">ERCOT and TAC leadership are working to improve board stakeholder engagement.</li> <li style="font-weight: 400;" aria-level="1">Changes include moving the presentation of policy initiatives to the full board and adjusting timelines.</li> <li style="font-weight: 400;" aria-level="1">The focus is on providing insight versus advocacy, with participants invited to present to the board.</li> <li style="font-weight: 400;" aria-level="1">A proposal includes selecting three segments for each topic to present their perspective.</li> <li style="font-weight: 400;" aria-level="1">For June, potential segments include IOU, industrial consumer, and inverter-based renewables.</li> <li style="font-weight: 400;" aria-level="1">For September, topics might include RTC+B, with representation from big generators and power marketers.</li> <li style="font-weight: 400;" aria-level="1">TAC members are encouraged to provide feedback and work with ERCOT on further planning.</li> <li style="font-weight: 400;" aria-level="1">The process aims to be a learning experience, with evolving guidelines and timelines.</li> </ul> <h4><a href="/sharing/?token=bf8e4297-9d5a-4dbf-9b63-aa9fe9ea940a">▶️</a>13.4 - Segment Membership Workshop Update</h4> <ul> <li style="font-weight: 400;" aria-level="1">A workshop held on February 14 introduced ideas for bylaw changes.</li> <li style="font-weight: 400;" aria-level="1">Four entities proposed changes, but only one provided written red lines.</li> <li style="font-weight: 400;" aria-level="1">ERCOT issued a market notice for stakeholders to submit proposed red lines by March 14.</li> <li style="font-weight: 400;" aria-level="1">Responses to the submitted red lines are due by April 18.</li> <li style="font-weight: 400;" aria-level="1">A high-level overview will be presented to the board in April.</li> <li style="font-weight: 400;" aria-level="1">Substantive discussions will occur during meetings in June and September.</li> <li style="font-weight: 400;" aria-level="1">A notice will be issued when red lines are posted to the TAC page.</li> <li style="font-weight: 400;" aria-level="1">The process is primarily for awareness and encouraged endorsements or responses.</li> <li style="font-weight: 400;" aria-level="1">Periodic updates on the progress will be provided at subsequent TAC meetings.</li> </ul> <h4><a href="/sharing/?token=2ec271f6-7032-4949-b723-40695950efa1">▶️</a>13.5 - Operational Experience from Nov 10, 2024 and Introduction to NPRR1273, Appropriate Accounting for ESRs in PRC Calculation</h4> <a href="/storage/docs/2025/02/Operational%20Experience%20with%20Focus%20on%20ESRs%20and%20Intro%20to%20NPRR1273.pdf">11_10_2024 ESR Analysis_TAC_Update_v3</a> <ul> <li style="font-weight: 400;" aria-level="1">ERCOT conducted an analysis of operations on November 10, 2024, which led to the submission of NPRR1273.</li> <li style="font-weight: 400;" aria-level="1">November 10 was marked by the use of various energy resources, including stored energy, to meet evening demand.</li> <li style="font-weight: 400;" aria-level="1">Storage resource fleet's state of charge dropped to an all-time minimum value, approximately 11% of capacity, around sunset.</li> <li style="font-weight: 400;" aria-level="1">Forecast challenges included low wind and solar generation and generation outages, necessitating reliance on storage resources.</li> <li style="font-weight: 400;" aria-level="1">ERCOT proposes changing PRC calculation duration for storage headroom from fifteen to forty-five minutes to better reflect available resources.</li> <li style="font-weight: 400;" aria-level="1">Observation included issues with storage resources following dispatch instructions at low state of charge levels.</li> <li style="font-weight: 400;" aria-level="1">There were concerns about inaccuracies in telemetry data, impacting PRC reliability.</li> <li style="font-weight: 400;" aria-level="1">Additional analyses focused on systemwide state of charge for energy storage and its efficiency in providing ancillary services.</li> <li style="font-weight: 400;" aria-level="1">Real-Time Co-Optimization (RTC) is expected to help automatically manage ancillary service assignments more effectively in the future.</li> <li style="font-weight: 400;" aria-level="1">ERCOT has begun outreach to understand the behavior of storage resources at low state of charge and will continue analysis to improve PRC calculation.</li> </ul> <h4><a href="/sharing/?token=eac8da24-d349-4efd-b65a-4c559a77c902">▶️</a>13.6 - NOGRR245 Information Collection</h4> <ul> <li style="font-weight: 400;" aria-level="1">DocuSign envelopes were sent on February 19 to all resources in the network operations model or with a production load date.</li> <li style="font-weight: 400;" aria-level="1">A market notice was also issued on February 19.</li> <li style="font-weight: 400;" aria-level="1">Resources in the generation interconnection or modification queue should use the template on the resource integration website and submit via RIIO.</li> <li style="font-weight: 400;" aria-level="1">The deadline to submit information is April 1.</li> <li style="font-weight: 400;" aria-level="1">A frequently asked questions document is available on the resource integration website.</li> <li style="font-weight: 400;" aria-level="1">A second workshop is scheduled for March 10.</li> <li style="font-weight: 400;" aria-level="1">Questions about the process can be sent to NOGRR245@ERCOT.com, monitored by Andy and the implementation team.</li> </ul> <h3><a href="/sharing/?token=c9f33ee1-e2e9-4d2e-ac40-b7e4ea388d99">▶️</a>14 - Other Business</h3> <ul> <li style="font-weight: 400;" aria-level="1">Discussion of recommended changes.</li> </ul> <h4><a href="/sharing/?token=66b2b656-e4a1-4666-82b0-ff9590b2823a">▶️</a>14.1 - Review of Action Items List</h4> <ul> <li style="font-weight: 400;" aria-level="1">ROS leadership indicated completion of action items related to KTC, except for KTC 15-5 on black start service.</li> <li style="font-weight: 400;" aria-level="1">Proposed removal of action items 15-3 and 15-4, changing RTCBTF to ROS.</li> <li style="font-weight: 400;" aria-level="1">Blackstar service is under Blackstar working group.</li> <li style="font-weight: 400;" aria-level="1">Item from 08/22/23 concerning NPRR1171, DGRs and DESRs on load shed feeders discussed.</li> <li style="font-weight: 400;" aria-level="1">Brian Sams decided not to develop a problem statement on mobile gen, suggesting removal of this action item.</li> <li style="font-weight: 400;" aria-level="1">Two new action items from Andy Nguyen related to REC opt-out timeline provisions and fuel transportation, contractual costs were introduced.</li> <li style="font-weight: 400;" aria-level="1">Andy Nguyen's action items are suggested to be referred to WMS.</li> <li style="font-weight: 400;" aria-level="1">Blake agreed to work with Andy Nguyen on developing problem statements for these items, with one already sent to WMWG.</li> </ul> <h3><a href="/sharing/?token=0d07b798-9d91-4f72-9eb8-b4eea458a364">▶️</a>15 - Combo Ballot (Vote)</h3> <ul> <li>Motion to approve the combo ballot as presented carries unanimously with no abstentions.</li> </ul> <div class="news-image-container"><img src="/storage/docs/2025/02/TAC022725COmboDetails.png" /></div> <a href="/storage/docs/2025/02/TAC022725COmboDetails.png"><img src="/storage/docs/2025/02/TAC022725Comboballot.png" width="868" height="852" /></a> <h3><a href="/sharing/?token=7aeb7561-40a1-47cc-9b05-8d08475bfb00">▶️</a>16 - Adjourn - 2:00 p.m.</h3> <ul> <li style="font-weight: 400;" aria-level="1">Meeting adjourned with no further business discussed.</li> </ul>