ERCOT Updates and Meeting Overview - August 22, 2023
This report covers the latest updates from ERCOT including the 2023 Q2 Settlement Stability Report, Unregistered DG Report, EMS Upgrade Project, and more. It also highlights the outcomes of previous meetings and workshops, revision requests under review, ECRS updates, and the focus areas discussed in the upcoming WMS meeting on September 6, 2023.
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WMS Report TAC MEETING AUGUST 22, 2023
Previous Meetings and Workshops WMS - August 2, 2023 Revision Requests Under WMS Review ECRS Update (WMWG) - August 4, 2023 RUC and VC Workshop - August 14, 2023 Overview
ERCOT Updates: 2023 Q2 Settlement Stability Report 2023 Q2 Unregistered DG Report EMS Upgrade Project Update New PRS Referrals NPRR1170, Capturing Natural Gas Delivery Information for Natural Gas Generation Resources Referred to WMWG August 2nd WMS Meeting Overview Next WMS September 6, 2023 IMM will present and answer questions on the 2022 State of the Market Report
Revision Requests Tabled at PRS or ROS and Referred to WMS NPRR1070, Planning Criteria for GTC Exit Solutions Tabled NPRR1162, Single Agent Designation for a QSE and its Sub-QSEs for Voice Communications over the ERCOT WAN (WMWG) Tabled, related to SCR825 NPRR1172, Fuel Adder Definition, Mitigated Offer Caps, and RUC Clawback (RCWG) Tabled, 8/14 Workshop NPRR1179, Fuel Purchase Requirements for Resources Submitting RUC Fuel Costs (RCWG) Tabled, 8/14 Workshop NPRR1181, Submission of Seasonal Coal and Lignite Inventory Declaration (WMWG) Tabled NOGRR215, Limit Use of Remedial Action Schemes Tabled (Approved at 8/3 ROS) Revision Requests Under WMS Review WMS Revision Requests Tabled at WMS VCMRR033, Excluding Exceptional Fuel Costs from Fuel Adders (WMWG) Tabled, ERCOT withdrew on 8/10 VCMRR037, Related to NPRR1172, Fuel Adder Definition, Mitigated Offer Caps, and RUC Clawback Tabled to RCWG
WMWG ECRS Update August 4, 2023 Deep Dive Review of ECRS Deployment: August 4th WMWG Meeting - ECRS Update June 20th ECRS deployment Updated initial analysis to correct an under- estimation of utilized ECRS MWs. July 10thECRS Deployment ECRS and Non-Spin deployed to increase dispatchable capacity available to SCED.
Presented by WMWG and RCWG Reliability Unit Commitment (RUC) - When, why, how does ERCOT use RUC - What about the current RUC process is/isn t working from ERCOT s perspective - Existing plans to reduce RUC DRRS Other - IMM Review of economics and other RUC data - Self-commitment decision factors RUC/VC Workshop August 14, 2023 Verifiable Costs (VC) - What isn t or hasn t been working and why - Recent changes to VC and expected impact
Potential incentives and changes to reduce RUC and improve VC process Shorter-term considerations Change to RUC clawback (see NPRR 1172) Improve RUC make-whole process Permanent solution to Exceptional Fuel Costs Potential changes to RUC commitment timeframes Review minimum online reserve level (from IMM report) Address alternatives to the use of RUC Change forecast selection alternatives Longer-term market incentives Potential DAM upgrades/changes DAM and RTM energy offer restrictions/mitigation rules RUC/VC Workshop August 14, 2023
Next Steps: - Summary of improvements and suggestions identified are being documented and circulated for working group review. - This list will be posted to the next regularly scheduled RCWG and WMWG meeting pages along with posting to the 8/14/23 workshop page. - Discussion will then continue in those working groups. RUC/VC Workshop August 14, 2023
Next Meeting September 6th
