Real-Time Co-optimization Task Force Update - Nov 17, 2020
Stay up to date with the latest updates from the Real-Time Co-optimization Task Force (RTCTF) including review schedules, revision requests, and CWG/MCWG comments on NPRR protocols. Explore changes in credit risk and calculations within the RTC protocols.
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Real-Time Co-optimization Task Force (RTCTF) Update Matt Mereness & Vanessa Spells CWG/CMWG November 17, 2020
RTCRR Review Schedule Schedule of 2020 meetings for RTCRRs: o Mar. 11 RTCTF (Plan and logistics for RR review) o Apr. 8 RTCTF (Review detailed plan, and begin review process) o Apr. 30 RTCTF o May 11 Special RTCTF for Potential Design Flaw- AS Price Cap discussion o May 20 RTCTF o Jun. 10 RTCTF o Jun. 22 Special RTCTF for Ancillary Service Deployments o Jun. 29 RTCTF o Jul. 15 Special RTCTF for AS Deployment Expectations & Durations o Jul. 22 RTCTF o Aug. 12 RTCTF o Sep. 9 RTCTF o Sep. 28 RTCTF o Oct. 21 RTCTF (last meeting) o Nov. 5 ROS Approved NOGRR211 o Nov. 11 PRS Approved NPRR1007-1013 o Nov. 17 CWG/CMWG Asking for Credit Assessment approval today (draft language posted) o Nov. 18 TAC o Dec. 8 ERCOT Board 2 PUBLIC
RTC Revision Requests Pages 549 total RTCRRs NPRR1007- RTC NP3- Management Activities for the ERCOT System 62 NPRR1008- RTC NP4- Day-Ahead Operations 65 NPRR1009- RTC NP5- Transmission Security Analysis and Reliability Unit Commitment 39 NPRR1010- RTC NP6- Adjustment Period and Real-Time Operations 248 Credit Impacts NPRR1011- RTC NP8- Performance Monitoring 49 NPRR1012- RTC NP9- Settlement and Billing 15 NPRR1013- RTC NP 1, 2, 16, 25- Overview, Definitions/Acronyms, Registration and Qualification of MPs, and Market Suspension and Restart 24 NOGRR211- RTC Nodal Operating Guides 2 and 9- System Operations and Control Requirements and Monitoring Programs 21 OBDRR020- RTC - Methodology for Setting Maximum Shadow Prices for Network and Power Balance Constraints 26 3 PUBLIC
CWG/MCWG Comments (draft) Draft comments to NPRR1007 1013 (in posted WordDoc Draft Comments): CWG reviewed the bundle of RTC NPRRs (1007-1013) and acknowledges there are changes to credit risk and credit calculations within the RTC protocols. After CWG review, the group agrees the primary areas of change have been properly identified and addressed in the protocol changes. The summary of changes are as follows: Section 4.4.10 Credit Requirement for DAM Bids and Offers (within NPRR1008) introduces a new Day-Ahead Market (DAM) product, Ancillary Service Only Offers. Section 4.4.10 Credit Requirements has be appropriately updated to reflect the risk between DAM Market Clearing Price for Capacity (DAMCPC) and Real-Time Market Clearing Price for Capacity (RTMCPC) for this new transaction. Section 16.11.4 Determination and Monitoring of Counter-Party Credit Exposure (within NPRR1013) introduces credit modifications to multiple sections reflecting the new market transactions and credit risk. The specific sections below have been updated below to reflect the credit changes as described: Section 16.11.4.1 Determination of Total Potential Exposure for a Counter-Party- Update the Minimum Current Exposure (MCE) component of Total Potential Exposure (TPE) calculation to include price risk between Day Ahead Market (DAM) Market Clearing Price for Capacity (MCPC) and Real-Time (RT) Market Clearing Price for Capacity (MCPC) for Virtual AS offers. Section 16.11.4.3.2 Real-Time Liability Estimate- Updated the Real Time Liability Completed and Not Settled (RTLCNS) component of Estimated Aggregate Liability (EAL) calculation to include Real-Time Co-Optimization (RTC) Ancillary Service (AS) activity. Section 16.11.4.3 Determination of Counter-Party Estimated Aggregate Liability- Changes in the Real-Time Liability carry over into the Aggregate Liability. PUBLIC
Action Requested Asking CWG/CMWG to consider, potentially redline, and endorse language ERCOT proposes filing comments for the RTC bundle as was done for the Impact Analysis Submit detailed Credit Comments to NPRR1007 Submit comments for NPRR1008-1013 to all reference NPRR1007 Credit Comments for details. PUBLIC
Appendix Summary of NPRRs previously provided PUBLIC
RTC NPRRs 1007NPRR RTC NP 3: Management Activities for the ERCOT System. This NPRR updates the Management Activities for the ERCOT system in the Protocols to address changes associated with the implementation of Real-Time Co-optimization (RTC) of energy and Ancillary Services. Specifically, this NPRR addresses the following Key Principles: KP1.1 Ancillary Service Demand Curves and Current Market Price Adders; KP1.3 Offering and Awarding of Ancillary Services in Real-Time; KP1.4 Systems/Applications that Provide Input into the Real-Time Optimization Engine; KP1.5 Process for Deploying Ancillary Services; KP3 Reliability Unit Commitment; KP4 The Supplemental Ancillary Service Market Process; KP5 Day-Ahead Market; KP6 Market-Facing Reports; and KP7 Performance Monitoring. 1008NPRR RTC NP 4: Day-Ahead Operations. This NPRR updates Day- Ahead Operations in the Protocols to address changes associated with the implementation of Real-Time Co-optimization (RTC) of energy and Ancillary Services. Specifically, this NPRR addresses the following Key Principles: KP1.1 Ancillary Service Demand Curves and Current Market Price Adders; KP1.2 System-Wide Offer Cap and Power Balance Penalty Curve; KP1.3 Offering and Awarding of Ancillary Services in Real-Time; KP1.4 Systems/Applications that Provide Input into the Real-Time Optimization Engine; KP1.5 Process for Deploying Ancillary Services; KP4 The Supplemental Ancillary Service Market Process; Day-Ahead Market; KP6 Market-Facing Reports; and KP7 Performance Monitoring. KP5 PUBLIC
RTC NPRRs 1009NPRR RTC NP 5: Transmission Security Analysis and Reliability Unit Commitment. This NPRR updates Transmission Security Analysis and Reliability Unit Commitment (RUC) to address changes associated with the implementation of Real-Time Co-optimization (RTC) of energy and Ancillary Services. Specifically, this NPRR addresses the following Key Principles: KP3 Reliability Unit Commitment; KP4 The Supplemental Ancillary Service Market Process; KP5 Day-Ahead Market; KP6 Market-Facing Reports; and KP7 Performance Monitoring. 1010NPRR RTC NP 6: Adjustment Period and Real-Time Operations. This NPRR updates the Adjustment Period and Real-Time Operations in the Protocols to address changes associated with the implementation of Real-Time Co-optimization (RTC) of energy and Ancillary Services. Specifically, this NPRR addresses the following Key Principles: KP1.1 Ancillary Service Demand Curves and Current Market Price Adders; KP1.2 System-Wide Offer Cap and Power Balance Penalty Curve; KP1.3 Offering and Awarding of Ancillary Services in Real-Time; KP1.4 Systems/Applications that Provide Input into the Real-Time Optimization Engine; KP1.5 Process for Deploying Ancillary Services; KP1.6 Ancillary Service Imbalance Settlement; KP3 Reliability Unit Commitment; KP4 The Supplemental Ancillary Service Market Process; KP5 Day-Ahead Market; KP6 Market-Facing Reports; and KP7 Performance Monitoring. PUBLIC
RTC NPRRs 1011NPRR RTC NP 8: Performance Monitoring. This NPRR updates performance monitoring in the Protocols to address changes associated with the implementation of Real-Time Co-optimization (RTC) of energy and Ancillary Services. Specifically, this NPRR addresses the following Key Principles: KP1.3 Offering and Awarding of Ancillary Services in Real-Time; KP1.4 Systems/Applications that Provide Input into the Real-Time Optimization Engine; KP1.5 Process for Deploying Ancillary Services; KP2 Suite of Ancillary Service Products; KP6 Market-Facing Reports; and KP7 Performance Monitoring. 1012NPRR RTC NP 9: Settlement and Billing. This NPRR updates Settlement and Billing in the Protocols to address changes associated with the implementation of Real-Time Co-optimization (RTC) of energy and Ancillary Services. Specifically, this NPRR addresses the following Key Principles (KPs): KP5 Day-Ahead Market and General alignment of Protocol Sections with other RTC NPRRs PUBLIC
RTC NPRRs 1013NPRR RTC - NP 1, 2, 16, and 25: Overview, Definitions and Acronyms, Registration and Qualification of Market Participants, and Market Suspension and Restart. This NPRR updates the Protected Information provisions, definitions and acronyms, registration and qualification of Market Participants, and Market Suspension and Restart in the Protocols to address changes associated with the implementation of Real-Time Co-optimization (RTC) of energy and Ancillary Services. Specifically, this NPRR addresses the following Key Principles: KP1.4 - Systems/Applications that Provide Input into the Real-Time Optimization Engine; KP1.6 Ancillary Service Imbalance Settlement; KP4 The Supplemental Ancillary Service Market Process; KP5 Day-Ahead Market; KP6 Market-Facing Reports; and KP7 Performance Monitoring. PUBLIC
