RTC+B Task Force Update January 14, 2025
Program update, reminder of scope, current issues, market trials timeline, key principles, meeting plans, and revision requests for RTC+B Task Force update on January 14, 2025.
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Presentation Transcript
RTC+B Task Force Update Matt Mereness RTCBTF January 14, 2025
Outline - - - - - Program update: RTC+B Program Update from Board T&S Reminder of RTCBTF Review Cycle (no change) Reminder of Scope of RTC+B Program (no change) Current Issues for RTCBTF Review Proceed with rest of RTCBTF Agenda 2 2 Public
RTC+B Program Update (excerpt from December Board T&S RTC Update) 3 Public
Sequence and Dates for Market Trials to Go-Live NEW 30-day Market Notice 11/5/25 March/April Start 5/5/25 Start 7/7/25 Start 9/2/25 Go-Live 12/5/25* 2025 May 2025 June 2025 July 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 QSE Scorecards & Exit Criteria for each Trial Phase Telemetry Points added to network model. QSE/Vendor Submission Sandbox and Open-loop RTC SCED (QSE offers, SCED non- binding award/dispatch) RTC QSE Submission Testing (Submit COP, RT AS Offers, DAM Virtual AS, Outages for ESRs) Ongoing Open-Loop & Periodic Closed-loop SCED/LFC (QSE RTC offers and telemetry to support closed-loop frequency control test 2-3 tests of 2-4 hour durations) Transition to Go-Live Upon completion of testing, confirmation of ERCOT and market readiness for Go-Live. QSE Telemetry Tests (Individual QSE to follow UDSP and support new ramp rate and ESR telemetry) RTC QSE Telemetry Check-out (QSEs add/verify new telemetry points for UDSP, New ramp rates, ESR telemetry) Day-Ahead Market (Non-binding DAM using QSE offers for at least 2 tests) * Go-Live date reflects 12/5/2025 as first Operating Day where 12/4/2025 is planned software migration. 4 Public
Plans for Meetings and Review Cycles Reminder of RTC+B Program Scope RTC Key Principles were approved to lay foundation of NPRR1007-1013 Consolidated Key Principles: https://www.ercot.com/files/docs/2020/04/01/RTC_Key_Principle_Quick_Reference.docx Library of Key Principles: https://www.ercot.com/mktrules/puctDirectives/rtCoOptimization Battery Key Topic Concepts approved to lay foundation of NPRR1014 https://www.ercot.com/mktrules/keypriorities/bes RTC State-of-Charge accounting in NPRR1204 Objective is to present concepts or issues that need to be resolved for an effective implementation. Coordinating timelines for interface requirements and testing, Providing the forum for any analysis or policy decisions (such as parameter values) Coordinating market readiness and cutover activities, Review draft Revision Requests or other artifacts necessary to successfully implement the program within the identified timeframes, and discussing other details as needed. Lessons learned from RTCTF to avoid being delayed in decisions: Meeting #1: Initial concept presented by ERCOT staff Meeting #2: Comments and alternatives presented by MPs Meeting #3: RTCTF consensus achieved or escalated to TAC for a vote to decide the matter. 5 Public
Reminder of Details Scope of RTC+B Program (Excel version posted with meeting) RTC+B Program Scope for delivery (as of 10/22/2024) Revision Request NPRR1007 NPRR1008 NPRR1009 NPRR1010 NPRR1011 NPRR1012 NPRR1013 NOGRR211 OBDRR020 NPRR1014 NPRR1204 NPRR1236 NPRR1245 NPRR1246 NOGRR268 PGRR118 OBDR052 NPRR1000 NPRR1054 NPRR1172 Status PUC appv PUC appv PUC appv PUC appv PUC appv PUC appv PUC appv BOD appv BOD appv PUC appv PUC appv PRS- in flight PRS- in flight PRS- in flight ROS- in flight PWG- in-flight TAC- in-flight PUC appv PUC appv PUC appv RTC+B Program revisions ALL ALL ALL ALL ALL ALL ALL ALL ALL ALL ALL ALL ALL ALL ALL ALL ALL ALL (no gray box) 5.7.2(2)&(4)- RUC Clawback Description RTC RTC RTC RTC RTC RTC RTC RTC- Op Guide 2 and 9 RTC- Setting Shadow Price Single Model RTC- State of Charge for SCED/RUC RTC- RUC Capacity Short RTC- Clarification Single Model- Clarification Single Model- Clarification Single Model- Clarification Single Model- Clarification Remove Dynamically Scheduled Resources Remove Oklaunion Exemption settlement S&B Portion of NPRR1172 RUC ClawBack NPRR1014 was written on top of the NPRR963 greyboxes for Set Point Deviation changes. In order to appropriately implement these changes for ESRs, need some of the language from NPRR963. Adapting requirements for Market Submission required field and locking the Energy Offer Curve for Emergency Settlements GREDP Shutdown Exemption- Insignificant addition to overall reporting change. PUCT Emergency Pricing Program- defer automation to RTC+B and report changes. Reason Foundation Foundation Foundation Foundation Foundation Foundation Foundation Foundation Foundation Foundation Supplemental Supplemental Clarifications Clarifications Clarifications Clarifications Clarifications Efficiency Efficiency Efficiency 6.6.5.5 6.6.5.5.1 6.6.5.6 NPRR963 PUC appv Dependency for NPRR1014 4.4.9.3 6.6.9 Implementing in current system August 2024 NPRR1058 PUC appv NPRR965 PUC appv Efficiency NPRR1216 PUC appv Efficiency 6 Public
RTCBTF Issues List First red box will be a single ERCOT NPRR for 4 policy issues Second red box is a single IMM NPRR for ASDC changes Third red box is a clean-up NPRR and includes explicit AS Qualification issue Protocol needed? Yes Yes Yes Yes Issue to resolve Approval PUCT PUCT PUCT PUCT Sep-24 Oct-24 Nov-24 Dec-24 Jan-25 Feb-25 Mar-25 Apr-25 May-25 Jun-25 Parameters for Ancillary Service proxy offers (values for the parameters) Scaling Factor Values for RegUp/RegDown (ie, ramp sharing as values, dynamic or static?) ASDCs for use in Reliability Unit Commitment (RUC) studies (values for parameters) RTC SOC duration parameter discussion RTC Simulator Analysis for periodic analysis comparing RTC and the current ORDC design KP 1.1(8) - Historical Operating Days identified by RTCBTF - Additional review of transmission constraint max. shadow price values (Sec 22/per NPRR1211) - Review of AS Demand Curve in context of current policy - Consider AS Indifference TBD TBD Clean-up Revision Requests to address as-builts and clarifications, as needed Market Readiness - Release Market Trials Sequence and Potential Dates (May 2024) - RTC+B Technical Workshops and release interface specifications (May-June 2024) Explanation of ICCP Changes (Abhi Gari Masanna- May RTCBTF) Explanation of Market Submission (Nathan Smith- August RTCBTF) - Release and review Market Trials Plan with RTCBTF (TAC endorsed October 2024) - Execute QSE Attestation (completed August 2024) - Announce Planned Go-Live Date (September 2024) - Outline of Readiness Training modules - Delivery of Training modules to RTCBTF Training page - Market Trials Handbooks for 5/5/25 Trials (Market Submission and Telemetry Check-out) - Market Trials Handbook for 7/7/25 Trials (OpenLoop SCED and QSE Telemetry Testing) - Market Trials Handbook for 9/2/25 Trials (Closed-Loop Test and Day-Ahead Market) - Annual Operations Training Seminar (6-weeks) - Go-Live Transition Plan - Any protocol and/or PUCT waivers needed for market trials and/or transition to Go-Live - RTCBTF issues- a. Operation Procedures (e.g., removing SASM and HASL/LASL), note to include any needed discussion on triggers for initiating off-cycle SCED execution, b. Business Practice Manuals (e.g., changes to COP and telemetry), c. Market trials/training/annual seminar engagement (release plans/dates for market trials), d. Any details MPs need for designing their control systems Yes PUCT Complete Complete Complete Complete No TAC Complete Complete Complete Complete 7 Public
Proceed with rest of meeting 1. Antitrust Admonition (Matt Mereness) 2. RTCBTF Updates and Issues (Matt Mereness) - ADDED January 23 afternoon meeting 3. Discussion of NPRR for RTC+B Parameters (ERCOT staff) - Ramp Rate sharing (NPRR language) - AS Proxy Offer Floor (NPRR language with more ASDC discussion) - ASDC for RUC discussion (NPRR sections impacted and presentation) - AS Duration Requirements (initial discussion) 4. Proposed changes for AS Qualification (Nitika Mago) - Follow-up on discussion of IRR AS qualification (defer to Jan 23 meeting) 5. Review any Market feedback on Market Trials Handbooks (Matt Mereness) - QSE Market Submissions (Handbook #1) No comments received - QSE Telemetry Check-Out (Handbook #2) No comments received 6. Discussion of AS Demand Curves (Jonas Kersulis- IMM) - ASDC sensitivity analysis for different ASDC proposals and draft NPRR 7. Refreshed RTC Efficiency Cost Savings (Matthew Schmidt) - ERCOT study of annual RTC cost savings in 2023-2024 8. Other Business - WMS question about WSL in Load Forecast 8 Public
Discuss January 23th RTCBTF Meeting Protocol needed? Yes Yes Yes Yes Issue to resolve Approval PUCT PUCT PUCT PUCT Sep-24 Oct-24 Nov-24 Dec-24 Jan-25 Feb-25 Mar-25 Apr-25 May-25 Jun-25 Parameters for Ancillary Service proxy offers (values for the parameters) Scaling Factor Values for RegUp/RegDown (ie, ramp sharing as values, dynamic or static?) ASDCs for use in Reliability Unit Commitment (RUC) studies (values for parameters) RTC SOC duration parameter discussion RTC Simulator Analysis for periodic analysis comparing RTC and the current ORDC design KP 1.1(8) - Historical Operating Days identified by RTCBTF - Additional review of transmission constraint max. shadow price values (Sec 22/per NPRR1211) - Review of AS Demand Curve in context of current policy - Consider AS Indifference TBD TBD Clean-up Revision Requests to address as-builts and clarifications, as needed Market Readiness - Release Market Trials Sequence and Potential Dates (May 2024) - RTC+B Technical Workshops and release interface specifications (May-June 2024) Explanation of ICCP Changes (Abhi Gari Masanna- May RTCBTF) Explanation of Market Submission (Nathan Smith- August RTCBTF) - Release and review Market Trials Plan with RTCBTF (TAC endorsed October 2024) - Execute QSE Attestation (completed August 2024) - Announce Planned Go-Live Date (September 2024) - Outline of Readiness Training modules - Delivery of Training modules to RTCBTF Training page - Market Trials Handbooks for 5/5/25 Trials (Market Submission and Telemetry Check-out) - Market Trials Handbook for 7/7/25 Trials (OpenLoop SCED and QSE Telemetry Testing) - Market Trials Handbook for 9/2/25 Trials (Closed-Loop Test and Day-Ahead Market) - Annual Operations Training Seminar (6-weeks) - Go-Live Transition Plan - Any protocol and/or PUCT waivers needed for market trials and/or transition to Go-Live - RTCBTF issues- a. Operation Procedures (e.g., removing SASM and HASL/LASL), note to include any needed discussion on triggers for initiating off-cycle SCED execution, b. Business Practice Manuals (e.g., changes to COP and telemetry), c. Market trials/training/annual seminar engagement (release plans/dates for market trials), d. Any details MPs need for designing their control systems Yes PUCT Complete Complete Complete Complete No TAC Complete Complete Complete Complete 9 Public
