Update on DWG Workshops and Reports September 2024
Stay informed with the latest updates from the DWG workshops in September 2024. Learn about stability assessments, procedure manual updates, leadership changes, and more. Important information for those involved in the industry.
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Presentation Transcript
DWG Report to ROS Paul Koberlein DWG Chair September 9th, 2024
DWG Update DWG WebEx meeting held on 8/22/2024 Instability Identified in Recent QSA Study ERCOT presented on an issue that was not resolved by curtailment Caused by low short circuit ratio under P6 contingency Solutions include reducing capacity and tuning inverter controls Friendly Reminder: FIS mitigation plans are extremely helpful TSP Dynamic Devices Model Guide and Requirements ERCOT updated the Model Quality guide 7/1/2024 ERCOT provided clarification on new and existing requirements Majority of update was also presented at IBRWG on 8/9/2024 Refer to the DWG PM, Planning Guide Section 6.2, and the Model Quality Guide for full details
DWG Update, continued Status Update: 2024/25 Flat Start Cases Flat start tools will be updated to accommodate node-breaker changes Pass 1 will be provided to DWG by 9/5/2024 Feedback requested by 9/19/2024 GFM Update ERCOT is working to create requirements and testing protocols surrounding GFM Draft PGRR and NOGRR language will be presented during September IBRWG
DWG Update, continued Stability Assessment for Interim Large Load Review Process Clarification requested on when stability assessments are needed Currently, TSPs are required to study every large load In 2023, DWG tabled a stability screening study due to lack of consensus This item will be discussed during the October DWG meeting DWG Leadership Vice Chair Fahad Qureshi has agreed to serve as Chair next year DWG is seeking a volunteer for a 2025 Vice Chair DWG hopes to nominate a Vice Chair candidate next DWG meeting
Update on DWG Procedure Manual All comments have been addressed in the updated DWG manual This occurred during the 8/9/2024 IBRWG/DWG Workshop The PUCT decision on NOGRR245 is anticipated in September DWG will request ROS approval of the PM in October The draft PM is posted on the DWG landing page
