RTC+B Program Update: Market Trials, Go-Live Announcement & Key Principles
Stay informed about the latest developments in the RTC+B Program, including market trial schedules, upcoming Go-Live dates, and key policy principles. Explore the detailed plans for meetings, scope reviews, and essential updates to ensure a smooth implementation process.
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Presentation Transcript
RTC+B Task Force Update Matt Mereness RTCBTF October 22, 2024
Outline - - - - - - Brief Program update: RTC+B Program Update from Board T&S Reminder of RTCBTF Review Cycle Reminder of Scope of RTC+B Program Current Issues for RTCBTF Review Update on RTCBTF Policy Parameters Proceed with rest of RTCBTF Agenda 2 2 Public
RTC+B Program Go-Live Announcement Links to: Market Notice Press Release Trending Topic Paper 3 Public
RTC+B Program Update (excerpt from October Board T&S RTC Update) 4 Public
Sequence and Dates for Market Trials to Go-Live 30-day Market Notice 11/5/25 Start 5/5/25 Start 7/7/25 Start 9/2/25 Go-Live 12/5/25* May 2025 June 2025 July 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 QSE Scorecards & Exit Criteria for each Trial Phase 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. 5 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. 6 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 7 Public
RTCBTF Issues List Parameter and Policy dates defined RTC Simulator Analysis and priorities of what to study More details coming for Market Readiness progression Protocol needed? No No No No Type Issue to resolve Approval TAC TAC TAC TAC Sep-24 Oct-24 Nov-24 Dec-24 Jan-25 Feb-25 Mar-25 Apr-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 protocols per NPRR1211) - Review of AS Demand Curve in context of current policy - Consider AS Indifference 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 (started in June and still in progress) - Execute QSE Attestation (completed August 2024) - Announce Planned Go-Live Date (September 2024) - Outline of Training - Market Trial Handbook Development (detailed plans for market trials) - Any protocol and/or PUCT waivers needed for market trials and/or transition to Go-Live - Go-Live Transition Plan - 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 Policy Other Policy Policy Analysis TBD TBD Other Potentially PUCT Other No TAC 8 Public
Update on RTCBTF Policy Parameters - When RTCTF developed RTC key principles and protocols in 2019-2020 with MPs there was agreement to focus on mechanics of RTC design and not get stuck on challenging or technical details that could be resolved at a later date and implemented as parameters. ERCOT flagged those items as TAC approved parameters for RTC in protocols: - Example: Protocol 6.5.7.3 (5) (d) Proxy Ancillary Service Offer price floors shall be approved by TAC and posted on the ERCOT website. This current approach has some issues: - In recent years, ERCOT has been migrating away from Other Binding documents, such as TAC approved processes or values. - It is worth noting these values were not designated as TAC approved so they could be frequently changed, rather they were deferred until they could be settled. - There is a risk that some issues may be controversial and the TAC approved parameter may be appealed with no clear governance to follow to ensure timely resolution. As such ERCOT legal is advising that ERCOT work with RTCBTF to sponsor a single NPRR to capture the TAC approved items and the values being vetted in the coming months into protocols. - - - 9 9 Public
Proceed with rest of meeting (likely longer meeting today) - 3. Scaling Factors for Ramp sharing - First round review - 4. Review RTC and ESR Clarifying Revision Requests - RTC- NPRR1245 (PRS unanimous approval) - ESR- NPRR1246, NOGRR268, PGRR118, OBDRR52 (if no further discussion, ERCOT will file comments that RTCBTF review complete) - 5. Market Trials Plan Review - Final/4th Review and will be seeking TAC endorsement - 6. Discuss Approach to Training/Readiness - Second review to solicit any feedback, no TAC endorsement needed - 7. Review of Parameters for AS Proxy Offer Curves - Second round review- soliciting market feedback - 8. RTC Simulator update - Congestion Case 07/10/2023 - Scarcity Case 09/06/2023 - Reliability Deployment Adder Case 10/20/2023 - 9. Placeholder for MPs Discussion of AS Demand Curves - IMM Discussion - - - ERCOT has posted all 2025 RTCBTF meeting dates on calendar Going forward RTCBTF meeting can include RTC+B Technical Workshops At end of meeting, discuss planned and potential topics for November 13th RTCBTF meeting. 10 Public
