Settling the Day-Ahead Market Charge Codes included in this training: 6011, 6800, 6700, 6301

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1 Settling the Day-Ahead Market Charge Codes included in this training: 6011, 6800, 6700, EXTERNAL Customer Services Page 1 of 45

2 Disclaimer All information contained in this document is provided for educational purposes, in summary form and is provided as is without representation or warranty of any kind, included without limitation, accuracy, or completeness. For further detail and reference, refer to the CAISO Tariff and the appropriate Business Practice Manual. CAISO assumes no responsibility at any time for consequences of errors, omissions or misinterpretations of summarized materials. Customer Services Page 2 of 45

3 Version Date Description Owner 1.0 November 2007 Initial Version MRTU Training Team 2.0 December 2008 Complete Revision Lynn Rasmussen 2.1 June 2009 Revision and Edits J. Buglino-Pedersen Customer Services Page 3 of 45

4 Table of Contents COURSE OVERVIEW... 6 WHO SHOULD TAKE THIS COURSE... 6 WHY THIS COURSE IS IMPORTANT...6 OBJECTIVES... 6 PREREQUISITES... 6 COURSE STRUCTURE... 6 REFERENCES... 7 DAY-AHEAD MARKET OVERVIEW... 8 DAY-AHEAD MARKET OVERVIEW...9 SETTLEMENT REVIEW : DAY AHEAD CHARGE CODE CHEAT SHEET CC 6011: DAY-AHEAD ENERGY, CONGESTION AND LOSSES INTEGRATED FORWARD MARKET - OVERVIEW: FORMULA DA CC EXAMPLE DAY AHEAD ENERGY SETTLEMENT CC DAY AHEAD MARKET EXERCISE # FORMULA DA CC WHERE DO I FIND. DAY-AHEAD QUANTITIES WHERE DO I FIND DAY AHEAD PRICING TOOLS TO VALIDATE: BILLING DETERMINANTS MATRIX: BILLING DETERMINANTS USED IN THIS CALCULATION: DAY AHEAD ENERGY SETTLEMENTS ETC/TOR/CVR DAY-AHEAD ENERGY - MSS: EXPECTED ENERGY REPORT: INTERTIE TAGGING AND THE EFFECTS ON SETTLEMENT TAGS: DIFFERENCES BETWEEN PLACES TO VALIDATE INSTRUCTIONS MARKET POWER MITIGATION RELIABILITY REQUIREMENTS DETERMINATION - OVERVIEW: MPM AND RELIABILITY MUST RUN UNITS: ADDITIONAL CALCULATIONS PERFORMED IN CC 6011: VALIDATION DAY AHEAD ENERGY CC DAY AHEAD MARKET EXERCISE # CC 6800: RESIDUAL UNIT COMMITMENT RESIDUAL UNIT COMMITMENT (RUC): CC 6800 RESIDUAL UNIT COMMITMENT FORMULA CC 6800 RESIDUAL UNIT COMMITMENT EXAMPLE CC 6800 RESIDUAL UNIT COMMITMENT CMRI RUC REPORTS: VALIDATION CC 6800 REAL TIME INSTRUCTED CC 6301: INTER-SC TRADES CC 6301 INTER-SC TRADES FOR DAY AHEAD ENERGY CC 6301 DAY AHEAD INTER-SC TRADE FORMULA DAY AHEAD INTER-SC TRADES FOR ENERGY CC EXAMPLE: AGGREGATE PRICE NODE TRADE WHAT YOU SEE ON YOUR SETTLEMENT STATEMENT BAHrlyTradePlaceDAInterSCTradeAmount = Customer Services Page 4 of 45

5 BAHrlyTradePlaceDAFromInterScTradeAmount BAHrlyTradePlaceDAToInterSCTradeAmount VALIDATION REAL INTER-SC TRADE CC 6700: CONGESTION REVENUE RIGHTS CONGESTION REVENUE RIGHTS (CRR) - OVERVIEW CC 6700 HOURLY SETTLEMENT OF CONGESTION REVENUE RIGHTS Customer Services Page 5 of 45

6 Course Overview This course will provide an understanding of Settlements that come from the Day-Ahead Market. Who Should Take This Course All audiences that need to understand the details of the Day-Ahead Settlements process. Why This Course is Important This course will teach the Day-Ahead Charge Codes to persons involved in the validation of Settlement Statements. This is a required course for SC Certification. Objectives This training workbook was designed to be used in conjunction with the Day-Ahead Market Charge Codes computer-based training module. The course objectives of this Settlements module are to present information related to the main charge codes associated with the Settlement and Billing of the Day-Ahead Market. At the completion of this training module, the participant will be able to: Identify the inputs and outputs of the settlement calculation process; Explain how to validate the output of the settlement calculation process. Prerequisites Settlements: Market Overview Settlements: Process Overview Course Structure This document is intended to be used in conjunction with the Computer Based Training Module entitled, Day-Ahead Market Charge Codes. Together, these training materials will familiarize market participants with the settlement calculations relating to Day-Ahead Energy Settlement in the Settlements and Billing process. Customer Services Page 6 of 45

7 References CAISO Tariff Section 11 Business Practice Manual (BPM) for Settlements and Billing - Attachment E Business Practice Manual (BPM) for Market Operations Section 7, Attachment C Customer Services Page 7 of 45

8 Section 1 Day-Ahead Market Overview Customer Services Page 8 of 45

9 Day-Ahead Market Overview The Day-Ahead Market includes the Market Power Mitigation and Reliability Requirements Determination (MPM-RRD) process, the Integrated Forward Market (IFM) process, and the Residual Unit Commitment (RUC) process. The Day-Ahead Market opens seven days in advance of any Trade Day and is closed at 10am the day before the Trade Day. The Day-Ahead Market accepts Bids for Energy from Imports, Exports, Participating Demand, Non- Participating Demand and Generation. The Day-Ahead Market also accepts Bids for Ancillary Services and Residual Unit Commitment capacity. The settlement validation of Ancillary Services capacity products will be discussed in a separate module. Day Ahead Settlements may occur in the following processes: o The Integrated Forward Market will clear Bid-in Supply with Bid-in Demand, procure 100% of the Ancillary Service Requirement, and will produce financially binding Energy Schedules and Ancillary Service Awards. o The Residual Unit Commitment process will procure additional capacity as necessary to meet the forecasted Demand and may create settlements. o The Congestion Revenue Rights owners will have an hourly settlement based on the congestion prices produced by the Integrated Forward Market. o An Inter-SC Trade (IST) is a financial tool made available by the CAISO to help offset the potential double settlements associated with bilateral contracts. IST s for Energy will be settled using the LMP s from the IFM. Reference Document: See Market Operations BPM, Section 6 and the Settlements: Market Operations course for more details on how the Day-Ahead Market works. Customer Services Page 9 of 45

10 Settlement Review : Settlement files can be found in the Business Associate Portal Interface (BAPI). There will be two BA specific files for each trade day: Settlement Statement File in general, will show the total amount, by charge code, by settlement interval assessed to the BA. The level of detail show in the settlement statement varies by charge code. Billing Determinant File will show the individual billing determinants used to calculate the settlements for each charge code. For every charge code there is a BPM configuration guide that shows how each charge is calculated and the billing determinants used. Attachment E of the Billing and Settlements BPM shows a comprehensive list of all CAISO charge codes and links to each configuration file. This training used the BPM configuration guide exclusively to demonstrate these charge codes. When you see this symbol: Key Documentation: this will tell you from which configuration guide the formula was taken. Most of the time, the attributes have been left off the billing determinants in this training for clarity. The BPM will show you the entire billing determinant with all the attributes. Challenge of BPM Configuration Guide vs. BAPI statement: The Billing Determinant names in the BPM Configuration Guide are NOT the same as the name used in the BAPI statements. You will need to use the Billing Determinant Matrix to correlate the two documents. A link to the Billing Determinant matrix can also be found in Attachment E of the Billing and Settlement BPM. Customer Services Page 10 of 45

11 Day Ahead Charge Code Cheat Sheet The following is a table of the charge codes that will be covered in this workbook. In General: CC Who Dispatch Granularity 6011 DA Energy, Congestion and Losses 6800: Residual Unit Commitment 6700 Congestion Revenue Rights Hourly settlement Settlement WHY Granularity All Resources Hourly Hourly Instructed in DA Market All non-ra resources Hourly Hourly Instructed in DA Market CRR Holder Hourly Hourly Owner of CRR 6301 Inter-SC Trade for Energy All Valid Trades Hourly Hourly Engaged with other party with Valid trade Customer Services Page 11 of 45

12 Section 2 CC 6011: Day-Ahead Energy, Congestion and Losses Customer Services Page 12 of 45

13 Integrated Forward Market - Overview: What is it? The Integrated Forward Market is the work horse of the Day-Ahead Market. This is the process that uses the Bid pool created by the MPM process and clears Bid-in Supply with Bid-In Demand. As a result of the clearing process, Energy Schedules are created for both Supply and Demand. Ancillary Services are also procured in this process but covered in the Ancillary Service Workbook. Can I bid just for congestion? No, the Bid you submit will be for energy. If the CAISO has to re-dispatch the energy to solve for congestion, we will use the Energy Bids to determine how, and in what order to re-distribute the energy. Why would a resource receive this Charge Code (6011)? In general all resources that offer or schedule energy into the Day Ahead Market be it a Bid curve or a self schedule and are accepted in the Integrated Forward Market process will receive a settlement in Charge Code How would a resource receive a notification of a Day Ahead Energy Schedule? If a Bid or Schedule is submitted into the Market, the resource will receive a Day-Ahead Schedule report in CMRI (even if all the values are zero). If the resource receives an instruction, the report will have a non-zero value in the appropriate schedule report. What if my resource does not follow the Day-Ahead Schedule? The Day-Ahead Market will still settle as price x quantity. The Real Time charge codes will take into account deviations from the Day Ahead Schedule How do I validate my instructions? Schedules: o CMRI Day Ahead Market Results Day Ahead Demand Market Results Customer Services Page 13 of 45

14 Day Ahead Generation Market Results Day Ahead Import Export Schedules Prices: o o OASIS CMRI Day-Ahead Market Results Day-Ahead Demand Commodity Prices Day-Ahead Generation Commodity Prices Day-Ahead Import-Export Commodity Prices Key Inputs for Calculation: (NOT COMPREHENSIVE for a complete list see Settlements and Billing BPM, Attachment E Configuration Guide 6011) Day-Ahead instruction quantity LMP at appropriate node Key Documentation: Settlements & Billing, BPM Configuration Guide: DA Energy, Congestion and Loss Settlement, CC In addition to the 6011 Configuration guide, the following pre-calculation documents are used to validate/create settlements for 6011: ETC/TOR determines the balanced ETC/TOR/CVR schedules. Customer Services Page 14 of 45

15 MSS Netting determines which schedules are associated with an MSS are to be treated as net settlement vs. gross settlement. Day Ahead Settlements does not take into account if the resource followed direction. Deviations from the Day Ahead Schedule are assessed in the Real-Time Market. Formula DA CC 6011 In simple terms: The Day Ahead Energy is broken down into 4 components: Day Ahead Energy Amounts not associated with an ETC/TOR/CVR schedule PLUS Day Ahead Energy Amounts associated with ETC/TOR/CVR schedules PLUS Congestion Credit for any ETC/TOR/CVR Schedule (Marginal Cost of Congestion at the contract node times the Schedule) PLUS Loss Credit for certain TOR Schedules (Marginal Cost of Losses at the contract node times the Schedule) = (-1) * [(DA Non-Contract Schedule) * DA LMP) + (Contract Self Schedule * DA LMP)] + (MCC * Contract Schedule) + (MCL * TOR Contract Schedule) Customer Services Page 15 of 45

16 Example Day Ahead Energy Settlement CC 6011 Day Ahead Energy, Congestion, and Loss Pre- Settlement (CC 6011) is hourly and settled by resource as follows: DATA: Generator 1: Cab_Unit_1 HE 14 DA Schedule: 100 MW DA Schedule w/o contract 100 MW ETC/TOR/CVR Schedule 0 MW LMP at Price Node $73.78 MCC at Price Point -$2.26 MCL at Price Point -$0.63 = (-1) *[((DA Energy Schedule Contract schedule) * DA LMP)) + (Contract Self Schedule * DA LMP)] + Cong. Credit + TOR Loss Credit = (-1) * [((100 MW 0 MW) *$73.78*) + (0 MW * $73.78)] = -$ Payment to SC If this was the only resource in the portfolio, the settlement for 6011 will be -$ for HE 14 Suppose we use the same resource except 20 MW is scheduled as a balanced ETC. Day Ahead Energy, Congestion, and Loss Pre- Settlement (CC 6011) is hourly and settled by resource as follows: Customer Services Page 16 of 45

17 DATA: Generator 1: Merlot_Unit_1 HE 14 DA Schedule: 120 MW DA Schedule w/o contract 100 MW ETC/TOR/CVR Schedule 20 MW LMP at Price Node $70.52 MCC at Price Point -$2.10 MCL at Price Point -$4.05 = (-1) * (DA Energy Schedule Contract schedule) * DA LMP)) + (Contract Self Schedule * DA LMP) + Cong. Credit + TOR Loss Credit = (-1) * [((120 MW -20 MW)*$70.52 *) + (20 MW * $70.52) + (20 MW * -$2.10)] + 0 = -$ Payment to SC (amount BD) Suppose we have a Non-Participating Demand Schedule of -100 MW. The Day Ahead Energy, Congestion, and Loss Settlement (CC 6011) is hourly and settled by resource as follows: NOTE: Demand and Export schedules are shown as negative in the settlements system DATA: Demand Resource: DLAP_PGAE_LTR1 HE 14 DA Schedule: -100 MW DA Schedule w/o contract -100 MW ETC/TOR/CVR Schedule 0 MW LMP at Default LAP $81.49 MCC at Default LAP $2.34 MCL at Default LAP $2.48 = (-1) * (DA Energy Schedule Contract schedule) * DA LMP)) + (Contract Self Schedule * DA LMP) + Cong. Credit + TOR Loss Credit Customer Services Page 17 of 45

18 = (-1) * [((-100 MW- 0 MW) * $81.49) + (0 MW * $81.49)] = $ Charge to SC Next, let s look at a Demand resource schedule in the Day Ahead Market, part of which is scheduled as a balanced TOR schedule of 20 MW DATA: Demand Resource: DLAP_SCE_LTR1 HE 14 DA Schedule: -125 MW DA Schedule w/o contract -105 MW ETC/TOR/CVR Schedule -20 MW LMP at Default LAP $72.65 MCC at Default LAP $-2.02 MCL at Default LAP $-2.00 = (-1) * (DA Energy Schedule Contract schedule) * DA LMP)) + (Contract Self Schedule * DA LMP) + Cong. Credit + TOR Loss Credit = (-1) * [((-125 MW -20 MW) * $72.65) + (-20 MW * $72.65)] + (-20 MW*$-2.02) + (-20 MW * $-2.00) = $ Charge to SC Special Note for Contract Schedules: CMRI will only report the self schedule quantity. SIBR will report out the Balanced MW associated with a contract Customer Services Page 18 of 45

19 Day Ahead Energy, Congestion, and Loss Settlement (CC 6011) is hourly and settled by resource as follows: DATA: System Resource 1: HE 14 LTR1_Malin500_F_I_001 DA Schedule: 120 MW DA Schedule w/o contract 120 MW ETC/TOR/CVR Schedule 0 MW LMP at Scheduling Point $58.64 MCC at Scheduling Point $ MCL at Scheduling Point $-7.44 = (-1) * (DA Energy Schedule Contract schedule) * DA LMP)) + (Contract Self Schedule * DA LMP) + Cong. Credit + TOR Loss Credit = (-1) * [((120 MW 0 MW) * $58.64) + (0 MW * $58.64)] = -$ Payment to SC Customer Services Page 19 of 45

20 DA Energy, Congestion, and Loss Settlement (CC 6011) is hourly and settled by resource as follows: DATA: System Resource 1: HE 14 LTR1_NGILA_F_E_001 DA Schedule: 120 MW DA Schedule w/o contract 120 MW ETC/TOR/CVR Schedule 0 MW LMP at Scheduling Point $50 MCC at Scheduling Point $ MCL at Scheduling Point $-4.83 = (-1) * (DA Energy Schedule Contract schedule) * DA LMP)) + (Contract Self Schedule * DA LMP) + Cong. Credit + TOR Loss Credit = (-1) * [((-120 MW 0 MW)* $50.00) + (0 MW * $50.00)] = $ Charge to SC NOTE: The calculation is the same as the import the only difference Settlements receives is the quantity for Exports as a negative value. Day Ahead Market Exercise #1 Pulling it all together: if the resources in examples 1,2,3, and 4 were all in the same portfolio what would be the amount shown on the settlement statement for 6011? Click HERE for the Answer Customer Services Page 20 of 45

21 ANSWER: $ (CHARGE) $ (from example 1) + $ (from example 1a) + $ (from example 2) + $ (from example 2a) + $ (from example 3) + $ (from example 4 Formula DA CC 6011 In order to validate the settlement statement, you will need to use the billing determinants. Below is the simplified formula = (-1) * [(DA Energy Schedule Contract schedule) * DA LMP) + (Contract Self Schedule * DA LMP)] + (MCC * Contract Schedule) + (MCL * TOR Contract Schedule) Below is the formula using the billing determinants If you re trying to validate your statement, you can cut and paste the following billing determinants into the search feature of whatever program you downloaded your statement into to find the value. Remember the rule of thumb: Schedules show up in BAPI Quanity, Prices Price and Price * quantity = (-1)*[( * = + * * + * = + * On the settlement statement, a total for all resources for each hour will be shown Customer Services Page 21 of 45

22 The Billing Determinant file will contain all the individual resources by billing determinant, by resource. For simplicity purposes, these examples do not provide all detail calculations behind each Billing determinant. For detail calculations and for Charge Codes that are not described through examples, please refer to the BPM for Settlements and Billing, Attachment E, Configuration Guide for 6011, for detailed descriptions and formulas. Where do I find. Day-Ahead Quantities Day Ahead Energy Schedules can be found in CMRI, in the Day Ahead Schedule reports statement. The settlement statement and CMRI Post Market Results Expected Energy report should match. The following example is for a generator for the first 8 hours of the day the report covers all 24 hours. Imports look the same. Day-Ahead Generation Market Results for 12/11/2008 Scheduling Coordinator: LTR1 Resource Product Schedule Type HE01 HE02 HE03 HE04 HE05 HE06 HE07 HE08 [MW] [MW] [MW] [MW] [MW] [MW] [MW] [MW] CAB_7_UNIT 1 Energy Market CAB_7_UNIT 1 Energy Self Important Note: The CMRI Demand report shows the MW as POSITIVE, but the settlement system reports Demand and Exports as NEGATIVE. Where do I find Day Ahead Pricing The Day Ahead LMP is a reported for all Pricing Nodes on the network. o Generators will settle at the LMP at the node where they reside o Non-Participating Demand will settle at the LMP at the Default LAP where the Load is served. o Imports and Exports are settled at the Schedule Point Customer Services Page 22 of 45

23 o Participating Demand will settle at the LMP where the Demand resides Day-Ahead Generation Commodity Prices for 12/11/2008 Scheduling Coordinator: LTR1 Resource Product Price Type HE01 HE02 HE03 HE04 HE05 HE06 HE07 HE08 [$] [$] [$] [$] [$] [$] [$] [$] CAB_7_UNIT 1 Energy LMP CAB_7_UNIT 1 Energy Energy CAB_7_UNIT 1 Energy Congestion CAB_7_UNIT 1 Energy Loss NOTE: The Congestion Credit for ETC/TOR/CVR schedules is calculated at the contract node. If the contract node is different than the scheduling node, you will see a difference in the price in the Marginal Cost of Congestion. The same applies for the loss credit for certain TOR s. Tools to validate: The following reports will help illustrate Charge Codes for the Day Ahead Energy, Congestion, and Loss Settlement and acquire the proper data to create a shadow settlement To calculate and verify you will need: CMRI Day Ahead Generation/Demand/Import and Export Schedule report, Trade Hour, and specific resource OASIS LMP from OASIS or CMRI BAPI o Settlement Statement (for the Total amount by BA and Total amount by BA per interval Customer Services Page 23 of 45

24 o Billing Determinant File (for all the billing determinants used in the calculation by resource and interval) o BPM for Settlements and Billing, Attachment E, Configuration Guide for 6011 Billing Determinants Matrix: This guidebook is based on the formulas available in the BPM Configuration Guides. The billing determinants used in these guides are not the same as used in the settlement files. The Billing Determinant Matrix provides the link between the BPM s and the settlement files. The Billing Determinant Matrix can be found at the beginning of Attachment E in the Billing and Settlements BPM. Customer Services Page 24 of 45

25 Billing Determinants used in this calculation: This Workbook Total Energy Amount w/o Contracts Total Energy Amount of Contract Quantity of Energy w/o Contracts Quantity of Energy with contracts Billing Determinant Name in Billing Determinant file RSRC_HRLY_DA_ENGY_LMP_NON_CONTR BA_HRLY_RSRC_DA_BAL_TOT_CONTRACT TITY BA_HRLY_RSRC_DA_BAL_TOT_CONTRACT Configuration Guide in BPM BAHourlyDAEnergyNetOfCont ractamt BAHourlyDAEnergyContractA mt BAHourlyDAEnergyCongestio ncredit BAHourlyDAEnergyTotalContr actslosscredit LMP HourlyDAEnergyResourceLM P Total Congestion Credit amount BA_HRLY_RSRC_DA_ENGY_CONTRACT_C BAHourlyResourceDAEnerg ycontractcongestioncredit Amount Total Loss Credit amount BA_HRLY_RSRC_DA_ENGY_CONTRACT_L Total Contract Quantity Marginal Cost of Congestion Marginal Cost of Losses BA_HRLY_RSRC_DA_BALANCE_CONTRACT_SCH HourlyResourceDABalancedC ontractscheduleenergy HourlyDAContractNodeMCC Day Ahead Energy Settlements ETC/TOR/CVR Some important notes about ETC/TOR/CVR The balanced portion of any ETC/TOR/CVR will receive the congestion credit The MCC is at the financial node of the contract that may not be the same node where the resource was scheduled. Only certain TOR contracts are eligible for Loss credit. These contracts must be identified in the TRTC process. Customer Services Page 25 of 45

26 Day-Ahead Energy - MSS: MSS with gross settlement election: Energy, congestion and losses will be treated the same as all other non-mss resources with respect to 6011 settlement. MSS with a net settlement election: CC 6011 will depend on if the net quantity in the MSS: is the MSS short or long. If the MSS is long (meaning excess supply) the net quantity will be paid the MSS price that is the weighted average of the generation in the MSS. If the MSS is short (meaning excess Demand) the net quantity will be charged the MSS Price which is based on the weighed average of the load nodes within the MSS Expected Energy Report: Most of the settlements pre-validation will have quantities shown in the Expected Energy Report within CMRI. This report is produced daily, the day after each trade day. Each Resource will have its instructions broken down to the type of instruction it receive. Reference Document: The Market Operations BPM, Attachment C, provides a comprehensive list of Expected Energy types. That Attachment will be used in conjunction with this training keep it handy. Intertie Tagging and the effects on Settlement tags: All Intertie schedules must have an e-tag in Real Time but that will not affect the Day Ahead Energy settlement. If an instruction does not have an e-tag, the financial ramifications will be accounted for in Real Time charge codes (CC6470), not Day Ahead 6011 Differences between places to validate instructions CMRI Day Ahead Market Results This report will be available after 1 pm every day. There are two reports available for each type of resource: Price and Customer Services Page 26 of 45

27 CMRI Post Market Results - Expected Energy OASIS schedule Most Accurate of CAISO documentation should reflect the Day Ahead Schedule but is reported in 10 minute increments (DA schedule / 6) Will provide prices Market Power Mitigation Reliability Requirements Determination - Overview: What is it? The Market Power Mitigation process is the first process that is run in the Day Ahead Market. The purpose is to if a Unit is able to exercise market power due to where it resides on the network. This What does it mean to me? If your Unit is mitigated, the submitted bid may not match the Bid used in the integrated Forward market What charge code will I see the MPM settlement in? Technically you won t. That is to say, no direct settlement will occur in the MPM process. What does happen is if a Unit is mitigated, a mitigated bid curve will be used in the IFM. The unit will receive a schedule, based on the results of the Integrated Forward Market run and will paid the DA LMP. How would a resource know if it has been mitigated? A mitigated bid curve will be posted to CMRI in the Day-Ahead Market section under Market Power mitigation report. If the Unit was not mitigated, the report will be blank. What s the RRD portion mean? It is the Reliability Requirements Determination section. This is the process that determines if an RMR unit has a Day-Ahead Schedule that is considered an RMR Dispatch. Customer Services Page 27 of 45

28 MPM and Reliability Must Run Units: The MPM process has two different runs. The first run is called the Competitive Constraint Run (CCR). The program matches supply with forecasted Demand using a network model with only the competitive constraints activated. The next run is called the All Constraints Run (ACR). In this step, the program runs again to match supply with forecasted Demand the difference being all the constraints are turned on. If an RMR unit is increased between the CCR and the ACR run, the Unit will be under an RMR dispatch. MW up to the CCR level, are Hybrid. Unit will keep market payments and receive no additional contract payment. When ACR > CCR MW above CCR up to IFM, are Billable. Unit will be paid contract value and credit back market payments on RMR Invoice. In Real time, MW above the Day Ahead IFM schedule up to the CCR level are Hybrid. Unit will keep market payments and receive no additional contract payment. In Real Time, when RT ACR > RT CCR, MW from the RT CCR level up to the ADS Dispatch, are Billable. Unit will be paid the RMR Contract value and credit back market payments on RMR Invoice. Additional Calculations performed in CC 6011: Additional Information calculated in this Charge code will be used in CC 6700: Total Congestion Charges are used in the Congestion Revenue Account. Validation Day Ahead Energy CC 6011 CALCULATION COMPONENT WHERE TO VERIFY Amount (Billable Quantity * Price) BAPI Bill Determinant Names: = (BA_HRLY_RSRC_DA_SCHED_NET_CONTRACT_QTY Customer Services Page 28 of 45

29 * HRLY_RSRC_DA_LMP PRICE Billable Quantity (MW) Day Ahead Market Schedule, Self Schedule for Generators Day Ahead Market Schedule, Self Schedule for Imports/Exports Day Ahead Market Schedule, Self Schedule for Demand Expected Energy Qty CMRI - Day Ahead Generation Market Results Select Market Results>Day-Ahead Market Results>Day-Ahead Generation Market Results CMRI Day-Ahead Import/Export Schedules Select Market Results>Day-Ahead Market Results>Day-Ahead Import/Export Market Results CMRI Day Ahead Demand Market Results Select Market Results>Day-Ahead Market Results> Day-Ahead Demand Market Results CMRI Gen-Demand-Imports-Exports Market Results>Post Market Results>Expected Energy Price ($) LMP Price for Generators LMP Price for Demand LMP Price for Imports/Exports CMRI - Day Ahead Generation Commodity Prices Select Market Results> Day-Ahead Market Results>Day-Ahead Generation Commodity Prices CMRI - Day Ahead Demand Market Results Select Market Results>Day-Ahead Market Results> Day-Ahead Demand Market Results CMRI - Day Ahead Import -Export Commodity Prices Select Market Results>Day-Ahead Market Results>Day-Ahead Import-Export Commodity Prices Customer Services Page 29 of 45

30 LMP Price OASIS Select Locational Marginal Prices Report> Market/Node BAPI HRLY_RSRC_DA_LMP PRICE (Currently, we have this BD in the CAISO Bill Determinant File. ISO will fix this issue). Day Ahead Market Exercise #1 Pulling it all together: if the resources in examples 1, 2, 3, and 4 were all in the same portfolio what would be the amount shown on the settlement statement for 6011? If the resources in examples 1, 2, 3, and 4 were all in the same portfolio what would be the amount shown on the settlement statement for 6011? ANSWER: $ (CHARGE) $ (from example 1) + $ (from example 1a) + $ (from example 2) + $ (from example 2a) + $ (from example 3) + $ (from example 4 Click HERE to return to the section Customer Services Page 30 of 45

31 Section 3 CC 6800: Residual Unit Commitment Customer Services Page 31 of 45

32 Residual Unit Commitment (RUC): What is it? The Residual Unit Commitment is the last process in the Day Ahead Market. Since the Integrated Forward Market clears Bid-in Supply with Bid-in Demand, there may not be enough Supply scheduled to meet the forecasted Demand. The Residual Unit Commitment process is run to ensure there is enough available capacity to meet the forecasted Demand in Real-Time. What is the difference between RUC Award and RUC Capacity? Payment. Resources under Resource Adequacy (RA) contracts are required to bid into RUC but are not eligible for payment. Why would a resource receive this Charge Code (6800)? They received a RUC Award. (RUC capacity will NOT get paid). How would my resource receive instructions? If a Bid or Schedule change is accepted by the Market, the resource will receive a RUC award. This award will be found in CMRI as a RUC Schedule. In the Day-Ahead Market Residual Unit Commitment (RUC) Report, the award verses self is broken out. Award is eligible for payment, self is not. Will RUC show up in a Real-Time charge code? NO. RUC capacity will ensure the resource will submit a bid in the Real Time market. SIBR will do all the validation. Once the resource has a valid Real Time Bid, any association with RUC has been completed. How do I validate my instructions? Schedules: o CMRI: Generation or Import-Export Schedules o Day-Ahead Residual Unit Commitment (RUC) Capacity Customer Services Page 32 of 45

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