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Meeting Summary - 07/16/24 PLWG Meeting

Grid Monitor AI
07/16/2024

1 - Antitrust Admonition - Chair 2 - Agenda Review - Chair <a href="https://dash3.gridmonitor.com/sharing/?token=0d1c5b78-6c1e-46f9-9d7a-29caa8e8bcf4" target="_blank" rel="noopener">3</a> - Review of PLWG Meeting Minutes - June 11 - Chair <ul> <li style="font-weight: 400;" aria-level="1">Minutes were distributed for comments.</li> <li style="font-weight: 400;" aria-level="1">No comments were received back.</li> <li style="font-weight: 400;" aria-level="1">Meeting minutes are considered final and memorialized on the events page.</li> </ul> 4 - General updates - Chair <a href="https://dash3.gridmonitor.com/sharing/?token=8fe5819f-e610-4e91-8cd5-e141757ca366" target="_blank" rel="noopener">4.1</a> - PGRR106 Clarify Projects Included in TPIT Report approved by TAC <ul> <li style="font-weight: 400;" aria-level="1">PGRR106, which clarifies projects included in TPIT reports.</li> <li style="font-weight: 400;" aria-level="1">PGRR106 was approved by TAC during the last ROS.</li> </ul> <a href="https://dash3.gridmonitor.com/sharing/?token=445c68b4-ad7b-4976-9536-7f8a8f780487" target="_blank" rel="noopener">4.2</a> - ROS referred PGRR115 to PLWG <ul> <li style="font-weight: 400;" aria-level="1">PGRR115 was reviewed at the ROS meeting and referred to PLWG.</li> <li style="font-weight: 400;" aria-level="1">No other general updates were provided from the ROS meeting.</li> </ul> <a href="https://dash3.gridmonitor.com/sharing/?token=5ea7ac79-e0bb-4fd8-887b-782729e2af2e" target="_blank" rel="noopener">5</a> - PGRR107 - related to NPRR1180 - Inclusion of Forecasted Load in Planning Analyses - PLWG <ul> <li style="font-weight: 400;" aria-level="1">ERCOT posted late-breaking comments; revisions since December.</li> <li style="font-weight: 400;" aria-level="1">Worked with TSPs, particularly Oncor, to produce this version with comments for both PGRR107 and NPRR1180.</li> <li style="font-weight: 400;" aria-level="1">December version raised concerns about loads proposed by TDSPs not meeting standards in existing PUC rules.</li> <li style="font-weight: 400;" aria-level="1">ERCOT's new simplified approach focuses on whether load is supported by quantifiable evidence.</li> <li style="font-weight: 400;" aria-level="1">Introduction of terms "substantiated load" and "unsubstantiated load" in protocols and planning guide.</li> <li style="font-weight: 400;" aria-level="1">Definition of substantiated load includes loads with interconnection agreements, credible third-party forecasts, or officer letters attesting to load.</li> <li style="font-weight: 400;" aria-level="1">Revised procedures to exclude projects based on unsubstantiated load from RTP and RPG processes.</li> <li style="font-weight: 400;" aria-level="1">Concerns raised about double counting and confidentiality of officer letters.</li> <li style="font-weight: 400;" aria-level="1">Discussion on clarifying the inclusion of "native load" and its relationship to other terms.</li> <li style="font-weight: 400;" aria-level="1">Decision to proceed through further discussions and comments before finalizing protocol changes.</li> </ul> <a href="https://dash3.gridmonitor.com/sharing/?token=77b3453f-c266-4b55-9457-25bb97d7ea68" target="_blank" rel="noopener">6</a> - PGRR115 - related to NPRR1234 – Interconnection Requirements for Large Loads and Modeling Standards for Loads 25 MW or Greater - ERCOT <ul> <li style="font-weight: 400;" aria-level="1">Discussion on interconnection requirements for loads of 25MW or greater.</li> <li style="font-weight: 400;" aria-level="1">Presentation slides were sent and reviewed by participants.</li> <li style="font-weight: 400;" aria-level="1">Main focus was on NPRR1234 and PGRR115.</li> <li style="font-weight: 400;" aria-level="1">Purpose: To address the large load interconnection process and modeling standards.</li> <li style="font-weight: 400;" aria-level="1">Background on the interim large load interconnection process started in 2019.</li> <li style="font-weight: 400;" aria-level="1">Specific criteria under market notice for adding more than 75MW in less than two years.</li> <li style="font-weight: 400;" aria-level="1">Introduction of load commissioning plan to provide insight into load levels.</li> <li style="font-weight: 400;" aria-level="1">Criteria for loads connecting to transmission systems and relevant studies.</li> <li style="font-weight: 400;" aria-level="1">Discussion on significant loads, SSR study requirements, and timelines.</li> <li style="font-weight: 400;" aria-level="1">Emphasis on the need for accurate modeling and updating of information.</li> <li style="font-weight: 400;" aria-level="1">Clarification of requirements for different scenarios including colocated loads and loads near GTCs.</li> <li style="font-weight: 400;" aria-level="1">Feedback received on existing language and proposed new sections.</li> <li style="font-weight: 400;" aria-level="1">ERCOT's role and responsibilities in reviewing studies and updating reserves.</li> <li style="font-weight: 400;" aria-level="1">Concerns about modeling and updating model data for significant load changes.</li> <li style="font-weight: 400;" aria-level="1">Questions from participants regarding thresholds, processes, and modeling requirements addressed.</li> </ul> <a href="https://dash3.gridmonitor.com/sharing/?token=60fb21ea-e991-4bfa-8e62-a95a70aafd6a" target="_blank" rel="noopener">6.1</a> - ERCOT Steel Mills comments to PGRR115 - ERCOT Steel Mills <ul> <li style="font-weight: 400;" aria-level="1">Comment from Steel Mills: Substation operators should manually coordinate and operate necessary devices; remote control is deemed unnecessary and can cause fatalities. </li> <li style="font-weight: 400;" aria-level="1">ERCOT's Response: ERCOT acknowledges the safety concerns; however, the ability to remotely control loads might be necessary if the entire grid is at risk. Efforts will be made to address safety concerns before using such measures. </li> <li style="font-weight: 400;" aria-level="1">Follow-up Comment from Steel Mills: Remote control should not be applied to existing loads that are critical, due to the potential for human and equipment harm. Manual intervention should be used instead. </li> <li style="font-weight: 400;" aria-level="1">Discussions on Ordinance Language: Martha Henson from Oncor mentioned that the language reflects current connection practices with Oncor, and there's openness to offline discussions for potential tweaks. </li> <li style="font-weight: 400;" aria-level="1">Concerns About Remote Control: It was reiterated that remote control is not seen as necessary and could be very dangerous, potentially leading to millions of dollars in equipment damage. </li> <li style="font-weight: 400;" aria-level="1">Planning and Operations Interface: Discussion around whether specific requirements belong in planning or operations sections. </li> <li style="font-weight: 400;" aria-level="1">Continued Need for Flexibility: Potential solutions and compromises around language to cater to both reliability and safety concerns were suggested. </li> <li style="font-weight: 400;" aria-level="1">Study Procedures Overview: Detailed explanation of the study process, including steady state and stability studies, scoping processes, and coordination among various stakeholders. </li> <li style="font-weight: 400;" aria-level="1">Clarifications and Intentions: Clarifications made on sections regarding N-1-1 review for large load studies, posting study reports for stakeholder visibility, and the requirement for interconnection agreements to finalize study results. </li> <li style="font-weight: 400;" aria-level="1">Pending Comments and Review: Acknowledge the significant amount of feedback and pending comments from entities like Oncor, with plans to continue offline discussions to refine the draft. </li> </ul> <a href="https://dash3.gridmonitor.com/sharing/?token=8d3141f3-b62f-4ea5-8f05-fe3402f17548" target="_blank" rel="noopener">7</a> - Draft PGRR Addition of Resiliency Assessment and Criteria to Reflect PUCT Rule Changes - ERCOT <ul> <li style="font-weight: 400;" aria-level="1">Discussion about the draft PGRR addition on resiliency assessment and criteria.</li> <li style="font-weight: 400;" aria-level="1">Aimed to reflect PUC rule changes.</li> <li style="font-weight: 400;" aria-level="1">Intended to present the draft PGRR to PLWG before ROS next month.</li> <li style="font-weight: 400;" aria-level="1">Draft material was not available for the current meeting as planned.</li> <li style="font-weight: 400;" aria-level="1">Objective is to make everyone aware that the criteria will go to ROS next month.</li> <li style="font-weight: 400;" aria-level="1">Acknowledgement of not having the draft language ready for this meeting.</li> <li style="font-weight: 400;" aria-level="1">Need to get the process moving after previous discussions.</li> </ul> 8 - NERC Topics Roundtable - Mina Turner <a href="https://dash3.gridmonitor.com/sharing/?token=43d517ba-9a2e-41f0-9d0f-2e3039cd3224" target="_blank" rel="noopener">8.1</a> - CIP-014-4 <ul> <li style="font-weight: 400;" aria-level="1"><a href="https://ercot-control-docs.s3.us-west-2.amazonaws.com/16/CIP-014-4%2520Industry%2520Webinar%2520060524.pdf">Presentation</a> based on original language by drafting team.</li> <li style="font-weight: 400;" aria-level="1">Ballot and comments were due by July 3.</li> <li style="font-weight: 400;" aria-level="1">Drafting team met last week and made many changes.</li> <li style="font-weight: 400;" aria-level="1">Reviewed almost 400 pages of comments.</li> <li style="font-weight: 400;" aria-level="1">Still working on it, aiming to have new language by next month.</li> <li style="font-weight: 400;" aria-level="1">Next ballot scheduled for August.</li> <li style="font-weight: 400;" aria-level="1">No changes posted yet.</li> <li style="font-weight: 400;" aria-level="1">Important for planners at 14.</li> </ul> <a href="https://dash3.gridmonitor.com/sharing/?token=86ae9533-0345-4bb3-aa59-ca33711d7ffa" target="_blank" rel="noopener">9</a> - Review Open Action Items - Chair <ul> <li style="font-weight: 400;" aria-level="1">ERCOT is working with PUC staff to finalize NPRR1070 draft language for stakeholder discussion.</li> <li style="font-weight: 400;" aria-level="1">Another PGRR is planned to address items in NPRR1070.</li> <li style="font-weight: 400;" aria-level="1">Stakeholders will review and decide how to move forward with NPRR1070 after discussions.</li> </ul> 10 - Other Business <ul> <li style="font-weight: 400;" aria-level="1">Introduction of new supervisor for the large load team, Julie.</li> <li style="font-weight: 400;" aria-level="1">Julie previously worked in the planning department, specifically in economic analysis.</li> <li style="font-weight: 400;" aria-level="1">Julie will be leading the team and reporting to Agee.</li> <li style="font-weight: 400;" aria-level="1">Meeting concluded with no additional business.</li> </ul> 11 - Adjourn - Chair