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Meeting Summary - 07/31/24 TAC Meeting

Grid Monitor AI
08/01/2024

1 - Antitrust Admonition Caitlin Smith <a href="/storage/docs/2024/08/NPRR1219TACCombo.png">2</a> - Approval of TAC Meeting Minutes - Vote <ul> <li style="font-weight: 400;" aria-level="1">Specific dates mentioned for approval: May 31, June 7, and June 24.</li> <li style="font-weight: 400;" aria-level="1">No edits or comments were noted.</li> <li style="font-weight: 400;" aria-level="1">Approval placed on the combo ballot.</li> </ul> <a href="/sharing/?token=5747249d-06f8-4b90-ad56-97ed3c358a18">3</a> - Meeting Updates - Caitlin Smith <ul> <li style="font-weight: 400;" aria-level="1">PUC had open meetings on June 27, July 11, and July 25.</li> <li style="font-weight: 400;" aria-level="1">On July 25, all revision requests were approved except for NPRR1224, which was rejected.</li> <li style="font-weight: 400;" aria-level="1">PUC directed ERCOT on operational course of action to start August 1 related to NPRR1224.</li> <li style="font-weight: 400;" aria-level="1">Jeff Billow provided an update on NPRR1224 rejection and expressed support for releasing ECRS when triggers described in NPRR1224 occur.</li> <li style="font-weight: 400;" aria-level="1">Real-time desk procedures updated with triggers from NPRR1224 to release ECRS with under gen of at least 40 MW for more than ten minutes, effective operating date tomorrow.</li> <li style="font-weight: 400;" aria-level="1">Bulletin sent regarding updated desk procedures, no market notice sent yet.</li> <li style="font-weight: 400;" aria-level="1">NPRR1232 has been withdrawn due to similar concerns with offer floor concept and stakeholder feedback.</li> <li style="font-weight: 400;" aria-level="1">IMM was agreeable to the withdrawal of NPRR1232.</li> </ul> <a href="/sharing/?token=8628f1f5-990e-4229-9ccf-6d7a4d4a37e2">4</a> - Review of Revision Request Summary/ERCOT Market Impact Statement/Opinions - Ann Boren/IMM <ul> <li style="font-weight: 400;" aria-level="1">ERCOT sponsored all the revision requests this month and supports all of them.</li> <li style="font-weight: 400;" aria-level="1">Positive market impacts were identified for all the revision requests.</li> <li style="font-weight: 400;" aria-level="1">The CFSG reviewed all requests for credit impacts and found none.</li> <li style="font-weight: 400;" aria-level="1">The IMM supports NPRR1230 and NPRR1233 </li> <li style="font-weight: 400;" aria-level="1">Jeff McDonald from IMM reaffirmed support for pulling the standing deployment NPRR and confirmed the support for two pending NPRRs, with no opinions on the rest.</li> </ul> 5 - PRS Report - Vote - Diana Coleman <a href="/sharing/?token=d36e99dd-6b1f-4668-b92a-d480d291f22c">5.1</a> - NPRR1217, Remove VDI Requirement for Deployment and Recall of Load Resources and ERS Resources <ul> <li style="font-weight: 400;" aria-level="1">Recommendation to approve NPRR1217 as advised by PRS in the 7/18 PRS report.</li> <li style="font-weight: 400;" aria-level="1">NPRR1217 added to combo ballot</li> </ul> <a href="/sharing/?token=b0d392c7-f550-469a-8e82-0f42c3574091">5.2</a> - NPRR1219, Methodology Revisions and New Definitions for the Report on Capacity, Demand and Reserves in the ERCOT Region - CDR <ul> <li style="font-weight: 400;" aria-level="1">A revised impact analysis was filed on Monday, with costs less than $20,000 absorbed by the O&M budget. Voted with 91% in favor, 8% opposed, and five abstentions.</li> </ul> <ul> <li style="font-weight: 400;" aria-level="1">Some concern from PRS members about the urgency of the vote and lack of notice given prior to the Webex meeting in July.</li> <li style="font-weight: 400;" aria-level="1">Specific concerns raised about using Effective Load Carrying Capability (ELCC) for renewable resources and its advisory role, not leading to mandated reserve margins.</li> <li style="font-weight: 400;" aria-level="1">Questions about why WMS didn’t vote on this NPRR before it was classified as urgent.</li> <li style="font-weight: 400;" aria-level="1">Need to implement changes by December 2024 for the CDR report, implying required TAC approval.</li> <li style="font-weight: 400;" aria-level="1">Concerns raised over the process being rushed and potential implications of changing the reporting methodology.</li> <li style="font-weight: 400;" aria-level="1">Comparison between the CDR and the broader reliability standard being established by the commission.</li> <li style="font-weight: 400;" aria-level="1">Potential confusion and differences in reliability metrics reported in the CDR versus the new reliability standard.</li> <li style="font-weight: 400;" aria-level="1">Discussion on the frequency of ELCC calculation and its potential inaccuracy if updated only every three years.</li> <li style="font-weight: 400;" aria-level="1">Plan to phase in the most consequential changes immediately while moving less urgent changes to a future NPRR.</li> <li style="font-weight: 400;" aria-level="1">Concerns about the potential policy implications of the CDR numbers if they conflict with new reliability standards.</li> </ul> <img src="/storage/docs/2024/08/NPRR1219TACCombo.png" width="664" height="700" /> <a href="/sharing/?token=b0d392c7-f550-469a-8e82-0f42c3574091">5.3</a> - NPRR1227, Related to RMGRR181, Alignment of Defined Term Usage and Resolution of Inconsistencies <ul> <li style="font-weight: 400;" aria-level="1">NPRR1227 will remain tabled.</li> <li style="font-weight: 400;" aria-level="1">The decision allows the RMGRR181 to catch up to NPRR1227.</li> </ul> <a href="/sharing/?token=9827ed35-ae68-490e-bd5b-d404da2929bf">5.4</a> - NPRR1231, FFSS Program Communication Improvements and Additional Clarifications <ul> <li style="font-weight: 400;" aria-level="1">ERCOT introduced improvements and clarifications to the firm fuel supply service.</li> <li style="font-weight: 400;" aria-level="1">Cost for these improvements is less than $5000, which will be covered by the O&M budget.</li> <li style="font-weight: 400;" aria-level="1">No new project required for NPRR1231.</li> <li style="font-weight: 400;" aria-level="1">Current motion involves waiting for RMGRR181 for other NPRRs.</li> <li style="font-weight: 400;" aria-level="1">Recommendation to approve NPRR1231 as advised by PRS in the 7/18 PRS report.</li> <li style="font-weight: 400;" aria-level="1">NPRR1231 added to combo ballot.</li> </ul> <a href="/sharing/?token=e2cd6eeb-d73f-41e8-a89f-b32a0b5f68f8">5.5</a> - NPRR1233, Modification of Weatherization Inspection Fees on the ERCOT Fee Schedule <ul> <li style="font-weight: 400;" aria-level="1">NPRR1233 was unanimously approved by PRS with no impact.</li> <li style="font-weight: 400;" aria-level="1">NPRR1233 added to combo ballot.</li> </ul> 6 - Revision Requests Tabled at TAC (Possible Vote) Caitlin Smith <a href="/sharing/?token=54730fae-7754-40d2-97bc-b324dc908fe9">6.1</a> - NPRR1230, Methodology for Setting Transmission Shadow Price Caps for an IROL in SCED <ul> <li style="font-weight: 400;" aria-level="1">Presentation by Gordon Drake on market-based mechanism analysis applied to selected 2023 operating days.</li> <li style="font-weight: 400;" aria-level="1">NPRR1230 aims to manage transmission flows via market mechanisms instead of manual control room interventions.</li> <li style="font-weight: 400;" aria-level="1">Objective to free control room operators from manual interventions and provide market transparency.</li> <li style="font-weight: 400;" aria-level="1">Proposal to increase shadow price caps for certain IROLs.</li> <li style="font-weight: 400;" aria-level="1">Analysis showed a range of potential market impacts, highlighting significant cost differences.</li> <li style="font-weight: 400;" aria-level="1">Discussion around methodology, including limitations, assumptions, and static vs. dynamic constraints.</li> <li style="font-weight: 400;" aria-level="1">Comments on the reliability benefits, reduction in violations, and potential cost increases.</li> <li style="font-weight: 400;" aria-level="1">Overall support expressed for NPRR1230 due to its market-based approach and operational efficiency.</li> <li style="font-weight: 400;" aria-level="1">Concerns raised about increased cost to load, balanced with operational and reliability improvements.</li> <li style="font-weight: 400;" aria-level="1">Motion to endorse NPRR1230 with ERCOT May 29, 2024 comments and desktop edits passed with 92% in favor.</li> <li style="font-weight: 400;" aria-level="1"><img src="/storage/docs/2024/08/NPRR1230TACballot.png" width="625" height="618" /></li> </ul> <a href="/sharing/?token=6781a29c-4ed6-4879-8f5c-09d3678633da">6.2</a> - OBDRR046, Related to NPRR1188, Implement Nodal Dispatch and Energy Settlement for Controllable Load Resources <ul> <li style="font-weight: 400;" aria-level="1">OBDRR046 remains tabled.</li> <li style="font-weight: 400;" aria-level="1">NPRR1188 is still under PRS review.</li> </ul> <a href="/sharing/?token=39e6920d-a389-400d-8729-04eca5c6236e">7</a> - OBDRR051, Related to NPRR1216, Implementation of Emergency Pricing Program – Impact Analysis - Vote - Ann Boren <ul> <li style="font-weight: 400;" aria-level="1">Previous vote on OBDRR051 was done in the last meeting but impact analysis was not voted on.</li> <li style="font-weight: 400;" aria-level="1">The focus of this item was on the implementation of the emergency pricing program.</li> <li style="font-weight: 400;" aria-level="1">Unanimous recommendation for approval was given at the June TAC.</li> <li style="font-weight: 400;" aria-level="1">Motion to approve 01/23/24 impact analysis added to combo ballot.</li> </ul> <a href="/sharing/?token=2e78f231-64b9-4974-bc00-5d1fd5520b5d">8</a> - RMS Report John Schatz <ul> <li style="font-weight: 400;" aria-level="1">Provided an update on TexasSET 5.0 testing.</li> <li style="font-weight: 400;" aria-level="1">Every LSE serving customers has registered for the TexasSET 5.0 flight test.</li> <li style="font-weight: 400;" aria-level="1">Brian asked about reporting from RMS regarding the utilization of mobile generation, including impacted customers, units used, and other metrics.</li> <li style="font-weight: 400;" aria-level="1">John replied that this information was not requested yet and might come through other channels.</li> <li style="font-weight: 400;" aria-level="1">TDUs (Centerpoint, TNMP, and AEP) are expected to provide a recap of their activities related to Beryl at the August 6 RMS meeting.</li> </ul> <a href="/sharing/?token=695070dc-97ed-4c8d-8259-f1f81568cdea">9</a> - ROS Report Katie Rich <ul> <li style="font-weight: 400;" aria-level="1">No voting items for this month.</li> <li style="font-weight: 400;" aria-level="1">Two items from OWG:</li> <ul> <li style="font-weight: 400;" aria-level="2">NPRR1221 is now at PRS</li> <li style="font-weight: 400;" aria-level="2">NOGRR262 will come back for IA review</li> </ul> <li style="font-weight: 400;" aria-level="1">Several referrals were assigned to various working groups, with most already having initial discussions.</li> </ul> <img src="/storage/docs/2024/08/TAC31ROSreprot.png" width="571" height="428" /> <a href="/sharing/?token=b4833bb2-117a-448a-956d-013e4d3d6e9f">10</a> - WMS Report - Vote - Eric Blakey <ul> <li style="font-weight: 400;" aria-level="1">WMS meeting held on July 10 discussed key topics including Auction Revenue Distribution (CARD), CRR balancing account (CRRBA), and IMM CARD analysis.</li> <li style="font-weight: 400;" aria-level="1">Identified potential issue with flexible price responsive loads increasing load to maximize CARD revenue.</li> <li style="font-weight: 400;" aria-level="1">ERCOT outlined three options for modifying current methodology; further discussion scheduled for next WMS meeting.</li> <li style="font-weight: 400;" aria-level="1">Report template to track performance issues relating to insufficient state of charge was discussed.</li> <li style="font-weight: 400;" aria-level="1">Voting item: VCMRR040 methodology for calculating fuel adders for coal-fired resources.</li> <li style="font-weight: 400;" aria-level="1">NPRR1229 was tabled and referred to WMWG; NPRR1232 has been withdrawn; NPRR1235 referred to SAWG and WMWG.</li> <li style="font-weight: 400;" aria-level="1">Mention of leadership changes: Kevin Hanson moved to Black Mountain Energy Storage, Blake Holt assumed chair position at WMWG, Amanda Frazier from Treaty Oak Clean Energy appointed vice chair WMWG</li> <li style="font-weight: 400;" aria-level="1">Upcoming meeting on August 7 with IMM invited to discuss the annual scope report.</li> </ul> <a href="/sharing/?token=750017d4-9bc5-4062-91ba-edab76a81554">10.1</a> - VCMRR040, Methodology for Calculating Fuel Adders for Coal-Fired Resources <ul> <li style="font-weight: 400;" aria-level="1">Eric Goff raised a comment about the market monitor's question on DRRS and the quantity ERCOT might procure, noting ERCOT to address it in the annual methodology.</li> <li style="font-weight: 400;" aria-level="1">Recommendation for approval of VCMRR040 as indicated in the 7/10 WMS report.</li> <li style="font-weight: 400;" aria-level="1">Decision to put the approval of VCMRR040 on the combo ballot.</li> </ul> <a href="/sharing/?token=930ad761-8b8c-4f59-bb92-2131b0b68d36">11</a> - Credit Finance Sub Group Report Brenden Sager <ul> <li style="font-weight: 400;" aria-level="1">NPRR1205 approved by PUC July, 2024.</li> <li style="font-weight: 400;" aria-level="1">Continued discussion of estimate aggregate liability (EAL) and collateral requirements.</li> <li style="font-weight: 400;" aria-level="1">Evaluation of the impact of double top spikes on EAL due to extreme weather events and their financial implications.</li> <li style="font-weight: 400;" aria-level="1">ERCOT credit group developed several scenarios to mitigate EAL spikes.</li> <li style="font-weight: 400;" aria-level="1">Discussion of potential solutions including caps on forward adjustment factors.</li> <li style="font-weight: 400;" aria-level="1">Brief mention of PCM proposal discussion and ERCOT's collaboration with consultancy on this matter.</li> <li style="font-weight: 400;" aria-level="1">Reviewed NPRRs considered operational without credit impacts and their voting outcomes.</li> </ul> Important Details: <ul> <li style="font-weight: 400;" aria-level="1">NPRR1205 will impact up to six banks with new requirements to be implemented in November.</li> <li style="font-weight: 400;" aria-level="1">Market participants advised to stay informed about CFSG discussions as changes will affect them.</li> <li style="font-weight: 400;" aria-level="1">"Double top" spikes frequently occur, leading to increased collateral obligations during volatile periods.</li> <li style="font-weight: 400;" aria-level="1">Data from historical events used to develop more accurate EAL calculations.</li> </ul> Concluding Remarks: <ul> <li style="font-weight: 400;" aria-level="1">No unusual collateral call activities reported.</li> <li style="font-weight: 400;" aria-level="1">Year-to-date overview indicating quieter summer compared to the previous year.</li> </ul> <a href="/sharing/?token=5ba07f4b-17f4-4634-8b7b-5f3d74f64828">12</a> - Large Flexible Load Task Force - LFLTF - Report - Bill Blevins <ul> <li style="font-weight: 400;" aria-level="1">NPRR1234 and PGRR115 have been moved from ROS to PLWG</li> <li style="font-weight: 400;" aria-level="1">Discussions in OWG related to LFL work on Golden Spread voluntary load curtailment.</li> <li style="font-weight: 400;" aria-level="1">Hopes to hibernate the task force after resolving some issues in the next meeting.</li> <li style="font-weight: 400;" aria-level="1">Monthly updates on the scheduled meetings will continue to be posted.</li> <li style="font-weight: 400;" aria-level="1">Reported over 5GW of load authorized, waiting to energize.</li> <li style="font-weight: 400;" aria-level="1">Concerns raised about dissolving the group due to the value of interconnection queue updates.</li> <li style="font-weight: 400;" aria-level="1">Potential to create a large load type landing page on ERCOT website for updates.</li> <li style="font-weight: 400;" aria-level="1">Added two items under other business: NDCRC update and NPRR1215 update.</li> </ul> <a href="/sharing/?token=117360b2-36a7-4c3a-94e2-5326630aa826">13</a> - RTC+B Task Force Report Matt Mereness <ul> <li style="font-weight: 400;" aria-level="1"><a href="https://ercot-control-docs.s3.us-west-2.amazonaws.com/26/13-rtcbtf_tac_update_07312024.pptx">Update</a> on program and its issues as implementation gets closer.</li> <li style="font-weight: 400;" aria-level="1">Announcement of the go-live date for the program expected by the end of September.</li> <li style="font-weight: 400;" aria-level="1">Discussion on the simulation of RTC using ERCOT’s simulator for feedback on price formation.</li> <li style="font-weight: 400;" aria-level="1">Simulation to start in September 2024, covering data from June 2023 onwards.</li> <li style="font-weight: 400;" aria-level="1">Market readiness pieces were discussed, including market trials plan and QSE attestations.</li> <li style="font-weight: 400;" aria-level="1">Market trials might begin as early as May 2025 with a six-month preparation period.</li> <li style="font-weight: 400;" aria-level="1">Clarification on the requirements and metrics for QSEs during market trials.</li> <li style="font-weight: 400;" aria-level="1">Discussion on feedback mechanisms, such as an open microphone session for further issues.</li> <li style="font-weight: 400;" aria-level="1">Release of new NPRRs for clarity and updates, including a substantial RTC clarifications document and an extensive energy storage resource document.</li> <li style="font-weight: 400;" aria-level="1">Request for redlines on market trials feedback due by August 9 and QSE attestations by August 12.</li> <li style="font-weight: 400;" aria-level="1">Next meeting scheduled for August 14, including a deep dive on settlements and billing with Maggie Shanks.</li> </ul> 14 - <a href="https://ercot-control-docs.s3.us-west-2.amazonaws.com/30/14-ercot-reports.zip">ERCOT Reports</a> Magie Shanks - Randy Roberts - Prabhu Gnanam - Nitika Mago <a href="/sharing/?token=3c18a383-487f-4a21-ae1b-ede5fa4708b6">14.1</a> - Firm Fuel Supply Service Settlement Report - Magie Shanks Background: <ul> <li style="font-weight: 400;" aria-level="1">Required report under protocol section 3.14.5 paragraph 3.</li> <li style="font-weight: 400;" aria-level="1">Annual basis report after FFSS season.</li> <li style="font-weight: 400;" aria-level="1">Reports standby costs and fuel replacement costs from FFSS service.</li> </ul> FFSS Procurement Details: <ul> <li style="font-weight: 400;" aria-level="1">Obligation period: November 15, 2023 - March 15, 2024.</li> <li style="font-weight: 400;" aria-level="1">Contracted with 32 generation resources at $9,000/MW.</li> <li style="font-weight: 400;" aria-level="1">Procured 3,319.9 MW of capacity with projected standby cost of $29.9 million.</li> </ul> Settlemens: <ul> <li style="font-weight: 400;" aria-level="1">Standby fee: $29.6 million.</li> <li style="font-weight: 400;" aria-level="1">Fuel replacement costs: $781,000.</li> <li style="font-weight: 400;" aria-level="1">Clawed back amount: $977,000.</li> <li style="font-weight: 400;" aria-level="1">Total FFSS cost: $29.4 million.</li> <li style="font-weight: 400;" aria-level="1">Adjustments due to availability reduction factor.</li> </ul> Settlement Timeline Details: <ul> <li style="font-weight: 400;" aria-level="1">Standby fee adjustments reflected on true-up statements for operating days: January 14-17, 2024.</li> <li style="font-weight: 400;" aria-level="1">Settlements occurred: July 12-15, 2024.</li> <li style="font-weight: 400;" aria-level="1">Clawback reflected on true-up statements for the first 90 days of the obligation period: November 15 - February 12.</li> <li style="font-weight: 400;" aria-level="1">Settlements begin: May 13, end: August 12.</li> </ul> Clawback Details: <ul> <li style="font-weight: 400;" aria-level="1">Related to paragraph 9 of section 8.1.1.2.1.6: 90 day clawback for unavailability during a watch.</li> <li style="font-weight: 400;" aria-level="1">Related to paragraph 13: 15 day clawback for failing to come online or stay online during deployment.</li> <li style="font-weight: 400;" aria-level="1">3 resources received clawbacks.</li> </ul> Specific Clawback Cases: <ul> <li style="font-weight: 400;" aria-level="1">One resource: tripped offline for 3 hours during watch on January 15 </li> <li style="font-weight: 400;" aria-level="1">Two resources: mechanical failures unrelated to fuel or cold weather </li> </ul> <a href="/sharing/?token=63e0f49e-6209-4964-97b4-6d96542c926f">14.2</a> - 4-CP Update - Randy Roberts <img src="/storage/docs/2024/08/TAC4CPReport.png" width="589" height="361" /> <ul> <li style="font-weight: 400;" aria-level="1">The update was necessary because there was a discrepancy between operational load data and the published demand and energy report for June.</li> <li style="font-weight: 400;" aria-level="1">Operational load suggested the peak would be on June 27th, but the demand and energy report showed it peaked on June 30th.</li> <li style="font-weight: 400;" aria-level="1">The discrepancy was due to the exclusion of charging load for ESRs (Energy Storage Resources) in the settlement calculation but not in the operational load data.</li> <li style="font-weight: 400;" aria-level="1">Discussion on potential protocol changes to better align operational load information with settlement calculations.</li> <li style="font-weight: 400;" aria-level="1">Bill Barnes touched upon the unpredictability of 4-CP as battery capacity increases.</li> <li style="font-weight: 400;" aria-level="1">Bob Wittmeyer and other members emphasized the importance of making calculations easier for market participants and the need for real-time data.</li> <li style="font-weight: 400;" aria-level="1">There were suggestions to publish real-time settlement 4-CP load and to make appropriate adjustments where necessary.</li> <li style="font-weight: 400;" aria-level="1">ERCOT representatives were encouraged to develop a signal mimicking the settlement calculation for better market visibility.</li> <li style="font-weight: 400;" aria-level="1">There was a proposal for ERCOT to explore publishing real-time WMS data and other relevant information on accessible platforms like their dashboard or a market notice.</li> <li style="font-weight: 400;" aria-level="1">Continuing discussions at DSWG  and planning for a review post-summer were agreed upon.</li> <li style="font-weight: 400;" aria-level="1">The need for internal ERCOT discussions to resolve some of the data and reporting issues before discussing at DSWG was emphasized.</li> <li style="font-weight: 400;" aria-level="1">It was agreed that Randy Roberts will return in September or October for a review of the summer and to provide high-level direction based on their findings.</li> </ul> <a href="/sharing/?token=a0a3f783-1551-49da-b794-4f52014cad45">14.3</a> - Oncor Temple Area Project Possible Vote - Prabhu Gnanam <ul> <li style="font-weight: 400;" aria-level="1">Project submitted by Oncor with an initial cost of $120 million not requiring a CCN, later expanded to $272 million, requiring a CCN.</li> <li style="font-weight: 400;" aria-level="1">The project addresses thermal and voltage issues in Temple, Killeen, and Bell County areas.</li> <li style="font-weight: 400;" aria-level="1">Independent review led to the recommendation of option 5A, the least-cost option meeting all reliability criteria, involving 15.4 miles of new right of way, to be completed by December 2028.</li> <li style="font-weight: 400;" aria-level="1">Review found no adverse subsynchronous resonance impacts or new system congestion.</li> <li style="font-weight: 400;" aria-level="1">The project involves adding auto transformers and new 138 kV lines, connecting several new and existing stations with significant upgrades to support reliability.</li> <li style="font-weight: 400;" aria-level="1">Expanded project scope due to additional identified thermal and voltage issues in Temple and surrounding areas.</li> <li style="font-weight: 400;" aria-level="1">Confirmed option 5A meets ERCOT NERC reliability criteria despite being higher in cost than initially proposed.</li> <li style="font-weight: 400;" aria-level="1">Voting item: to endorse the Oncor Temple Area Regional Planning Project as recommended by ERCOT (Option 5A), added to combo ballot.</li> </ul> <a href="/sharing/?token=f0825378-be9e-4ba7-9cf3-af26504f91fc">14.4</a> - 2025 Ancillary Services Methodology Timeline - Nitika Mago Timeline Review for 2025 AS Methodology: <ul> <li style="font-weight: 400;" aria-level="1">The proposed timeline aims to present the methodology to the October 10 board.</li> <li style="font-weight: 400;" aria-level="1">This timeline allows sufficient time for the PUC to review, approve, and address any remands before the end of December.</li> </ul> PUC Coordination: <ul> <li style="font-weight: 400;" aria-level="1">Discussions with PUC staff confirmed the timeline is adequate for their review process.</li> <li style="font-weight: 400;" aria-level="1">ERCOT will coordinate with PUC staff before October to address any concerns proactively.</li> </ul> Contingency Plan: <ul> <li style="font-weight: 400;" aria-level="1">If the 2025 methodology approval is delayed past December, the current methodology approved last December will continue to be used.</li> </ul> Workshop Reminder: <ul> <li style="list-style-type: none;"> <ul> <li style="font-weight: 400;" aria-level="1">A workshop on the PUC and soy services study will be held after the August TAC meeting.</li> <li style="font-weight: 400;" aria-level="1">Feedback for the workshop agenda should be sent to the speaker, who will pass it on to the PUC staff.</li> </ul> </li> </ul> <a href="/sharing/?token=447507b7-d8b7-44dd-95fb-c7c0332b3a43">14.5</a> - Post NPRR1186 SOC Reporting requested by TAC <ul> <li style="font-weight: 400;" aria-level="1">Provided an update on report templates shared with WMS and WMWG.</li> <li style="font-weight: 400;" aria-level="1">PUC's interest in sufficiency of state of charge from storage resources designated for ancillary services.</li> <li style="font-weight: 400;" aria-level="1">Discussed high-level approach for state of charge reporting in response to PUC's conversation.</li> <li style="font-weight: 400;" aria-level="1">R&M requested regular reporting on resource types meeting ancillary service obligations in real time.</li> <li style="font-weight: 400;" aria-level="1">Developed a template to monitor shortfalls in ancillary services due to insufficient SOC and inadequate response.</li> <li style="font-weight: 400;" aria-level="1">Presented the template to WMS and WMWG, inviting feedback and planning monthly updates.</li> <li style="font-weight: 400;" aria-level="1">Introduced an additional template for R&M updates showing total as capacity shortfalls (MW) and their percentages.</li> <li style="font-weight: 400;" aria-level="1">Effective from 6/28, partial data for June and July.</li> <li style="font-weight: 400;" aria-level="1">Highlighted importance of real-time aggregate state of charge reporting for performance monitoring and market situational awareness.</li> <li style="font-weight: 400;" aria-level="1">ERCOT operations group is considering mechanisms to share aggregate SOC information.</li> <li style="font-weight: 400;" aria-level="1">The commission never instructed ERCOT to report on SOC but emphasized using SOC information for studies and models to maximize battery value</li> <li style="font-weight: 400;" aria-level="1">SOC reporting should be for systemic issues, not isolated cases.</li> <li style="font-weight: 400;" aria-level="1">ERCOT proposes reporting on insufficient SOC for ancillary service responsibilities, despite lacking authority to penalize for it.</li> <li style="font-weight: 400;" aria-level="1">ERCOT's proposed reporting was viewed as fragmentary and providing limited market value.</li> <li style="font-weight: 400;" aria-level="1">Discussion on the presentation and access to an aggregated SOC dashboard presented by Dan Woodfin. Need for a review process for new reports and dashboards.</li> <li style="font-weight: 400;" aria-level="1">Importance of transparency regarding SOC to ensure customers get value for services. Need for granular data, not just aggregate numbers.</li> <li style="font-weight: 400;" aria-level="1">Historical context and current issues with ERCOT website data updates lacking stakeholder review process.</li> <li style="font-weight: 400;" aria-level="1">TAC's desire for SOC reporting stemmed from operational impacts of insufficient SOC on ancillary services.</li> <li style="font-weight: 400;" aria-level="1">Monitoring if reporting indicates a need for ERCOT to make costly operational changes.</li> </ul> <a href="/sharing/?token=2d47d11f-c5d7-4e44-960d-4af6f50c729b">15</a> - Updates on NDCRC - Sreenivas Badr <ul> <li style="font-weight: 400;" aria-level="1">ERCOT received feedback from market participants on QSE access to NDCRC.</li> <li style="font-weight: 400;" aria-level="1">NDCRC changes were rolled out for QSE testing, with plans to allow QSEs to log in using their own certificates within the next few weeks.</li> <li style="font-weight: 400;" aria-level="1">Parallel operation is planned for September, with a potential go-live date of October 1. </li> <li style="font-weight: 400;" aria-level="1">Market participants can submit unit test requests</li> <li style="font-weight: 400;" aria-level="1">During the testing period, any encountered issues will be addressed before the changes become effective.</li> <li style="font-weight: 400;" aria-level="1">Andy Nguyen appreciated the extension of deadlines and emphasized the importance of the changes for entities submitting unit test requests.</li> <li style="font-weight: 400;" aria-level="1">Stakeholders like Constellation, LCRA, Tenaska, and NRG have shared concerns and feedback on the user interface.</li> <li style="font-weight: 400;" aria-level="1">Andy Nguyen suggested comparing ERCOT's interface with user interfaces from other RTOs and continuing stakeholder engagement.</li> <li style="font-weight: 400;" aria-level="1">Jeremy Carpenter inquired about the availability of an API for submissions and was informed that submissions would require manual input through the UI.</li> <li style="font-weight: 400;" aria-level="1">An API capability is not currently on ERCOT's roadmap but may be considered in the future.</li> </ul> <a href="/sharing/?token=41133aad-7305-4adc-a7a5-65691bb0cc45">15</a> - Updates on NPRR1215 - Austin Rosel <ul> <li style="font-weight: 400;" aria-level="1">NPRR1215 clarifications to the day-ahead market energy-only offer calculation were unanimously approved by TAC and scheduled for the August board meeting.</li> <li style="font-weight: 400;" aria-level="1">An error was identified in the protocol language that needs to be resolved before presenting it to the board.</li> <li style="font-weight: 400;" aria-level="1">The error introduced an unintended change in the E2 credit formula, adding a price variable not originally part of the system design.</li> <li style="font-weight: 400;" aria-level="1">Instead of making corrections directly and filing comments, it was recommended to remand NPRR1215 back to TAC for correction and another vote.</li> <li style="font-weight: 400;" aria-level="1">The corrected NPRR will then be taken to a subsequent board meeting, probably in October.</li> <li style="font-weight: 400;" aria-level="1">A market notice explaining the corrections will be sent out to ensure no surprises at the board meeting.</li> <li style="font-weight: 400;" aria-level="1">Comments will be filed on NPRR1215 to address the error.</li> <li style="font-weight: 400;" aria-level="1">Attendees appreciated the approach to address the issue and confirmed no objections to the plan.</li> </ul> <a href="/sharing/?token=c62d22b2-453a-473c-9ea6-fc35893beb55">15.1</a> - TAC Representatives at Annual Membership Meeting <ul> <li style="font-weight: 400;" aria-level="1">No requirement for ERCOT members to speak unless there are questions.</li> <li style="font-weight: 400;" aria-level="1">Annual membership meeting scheduled for December 2 or December 3, after December board meeting.</li> <li style="font-weight: 400;" aria-level="1">Preference for a member to speak for 10-15 minutes.</li> <li style="font-weight: 400;" aria-level="1">Suggestions sought for a process to alternate or vary viewpoints year to year.</li> </ul> <a href="/sharing/?token=48bca843-9f49-4fa2-ac41-de2402a26192">15.2</a> - Stakeholder Process Improvements Discussion <ul> <li style="font-weight: 400;" aria-level="1">At the Open Meeting, Chairman Gleeson requested attendees to think about improvements to the stakeholder process.</li> </ul> David Kee <ul> <li style="font-weight: 400;" aria-level="1">Problem with parties introducing new information after TAC majority decisions.</li> <li style="font-weight: 400;" aria-level="1">Need for subcommittees and working groups to file comments to ensure issues are on record and are part of formal discussions.</li> </ul> Eric Goff <ul> <li style="font-weight: 400;" aria-level="1">Disagreed with the phrase suggesting parties act ‘behind our backs’, highlighted the importance of feedback loops for market success, and acknowledged frustration expressed by higher bodies in the process.</li> </ul> <a href="/sharing/?token=81200af1-b177-479b-bee9-9328fa6f0610"> 15.3</a> - NOGRR245, Inverter-Based Resource - IBR - Ride-Through Requirements, Update NOGRR245 Status Update <ul> <li style="font-weight: 400;" aria-level="1">Prior to the June 17 R&M committee meeting, joint commenters opposed the TAC-recommended version of NOGRR245 and indicated their intent to appeal if the ERCOT board approved it.</li> <li style="font-weight: 400;" aria-level="1">Concerns arose that the appeal would delay the immediate system reliability benefits of NOGRR245.</li> <li style="font-weight: 400;" aria-level="1">On June 16, ERCOT requested the R&M committee to table NOGRR245 until the August board meetings, allowing time to address the joint commenters' concerns.</li> <li style="font-weight: 400;" aria-level="1">The ERCOT board tabled NOGRR245 on June 18, and since then, ERCOT has been working with joint commenters on revisions.</li> </ul> Revisions and Bifurcation <ul> <li style="font-weight: 400;" aria-level="1">The revisions aim to retain the near-term system reliability benefits by improving software, firmware, and parameterization while bifurcating the exemption process for units unable to meet new standards.</li> <li style="font-weight: 400;" aria-level="1">ERCOT identified issues such as redundancies, errors, and typos in the initial version, which they plan to correct before the August board meeting.</li> </ul> Next Steps <ul> <li style="font-weight: 400;" aria-level="1">ERCOT plans to file comments detailing the specific reasons for all changes before the August board meeting.</li> <li style="font-weight: 400;" aria-level="1">ERCOT will recommend prioritizing a subsequent NOGRR to develop exemption criteria, targeting an effective date no later than April 1, 2025.</li> <li style="font-weight: 400;" aria-level="1">Upcoming discussions on NOGRR245 are scheduled for August 19 R&M and August 20 (ERCOT board).</li> </ul> Concerns and Process Issues <ul> <li style="font-weight: 400;" aria-level="1">There was frustration over the timing and communication regarding a slide deck posted without prior notice to TAC members, leading to concerns about the relevance and process.</li> <li style="font-weight: 400;" aria-level="1">Some TAC members expressed dissatisfaction with how information was being shared and handled, particularly regarding issues not currently in front of TAC.</li> </ul> Final Remarks <ul> <li>ERCOT acknowledged that they have already begun working on the subsequent NOGRR to develop exemption criteria and are not waiting passively.</li> <li style="font-weight: 400;" aria-level="1">The discussion emphasized the importance of early and clear communication, with some members expressing appreciation for the progress made on specific issues.</li> </ul> <a href="/sharing/?token=2801aa34-31ad-486b-9088-338de25c8652">16</a> - Combo Ballot - Vote - Caitlin Smith <img src="/storage/docs/2024/08/731TACvotingitems.png" width="706" height="115" /> <img src="/storage/docs/2024/08/TAC731COMBO.png" width="684" height="674" /> 17 - Adjourn