ERCOT PLWG Meeting Updates May 2025
Stay informed with the latest updates from the ERCOT Planning Working Group (PLWG) meeting in May 2025. Topics covered include SSO prevention, reliability criteria, voltage support, and more. Follow along as ERCOT reviews comments and presents proposals for enhancing grid operations and addressing resiliency issues.
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Presentation Transcript
Planning Working Group Planning Working Group Update Update to The Reliability and Operations Subcommittee Mina Turner, PLWG Chair Kristin Cook, PLWG Vice-Chair May 1st, 2025
PLWG Update PLWG Update PGRR 120 - SSO Prevention for Generator Interconnection Smart Wires gave a presentation SmartValve for Series Compensation without SSR. This could potentially allow TSP s to potentially propose this grid enhancing technology as an option to mitigate SSO risk. ERCOT reviewed their submitted comments. PLWG agreed to table PGRR120 till May PLWG meeting. This would allow ERCOT comments to be reviewed at the May 15th DWG meeting. PGRR 122 - Reliability Performance Criteria for Loss of Load ERCOT provided updates on the PGRR language which now is limits the load loss requirement to Large Load Interconnection Studies (LLIS) and creates a separate section on maximum load loss criteria. They have received numerous comments are working on incorporating the comments and suggestions in the PGRR language. ERCOT also provided an update on the study being performed to determine the limit of load loss. Expect results to be discussed at the May 15th DWG meeting. ERCOT agreed to table the PGRR 122 one more month at PLWG to allow ERCOT to review the results of the load loss study (frequency overshoot study) at the May 15th DWG meeting.
PLWG Update PLWG Update NPRR 1272- Voltage Support at Private Use Networks ERCOT reviewed their comments on NPRR 1272. Occidental not in favor of self-limiting generation and will provide comments before the next PLWG meeting. PLWG agreed to table NPRR 1272 for further discussion. PGRR 124 - ESR Maintenance Exception to Modification ERCOT gave an update on the DWG discussion. PGRR 124 was not discussed or presented by the sponsor. PGRR tabled at PLWG till May meeting.
PLWG Update PLWG Update NPRR 1274- RPG Estimated Capital Cost Thresholds of Proposed Transmission Project ERCOT presented the proposed change of limits based on Consumer Price Index (CPI). Discussion at PLWG that Transmission projects don t necessarily follow the typical commodities that are in the CPI. PLWG agreed to table NPRR 124 so that comments can be filed before the May PLWG meeting. NEW NPRR Establish Multi-Value Criteria for Resiliency-Related Transmission Project Evaluation ERCOT gave a presentation on plans to submit a Nodal Protocol Revision Request (NPRR) to establish new planning criteria to address the process for the resiliency plus factor : i.e., whether a project that addresses a resiliency issue provides sufficient benefit balanced with economic savings or reliability benefits 7/08/2021
