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EDS 4 DAM/RUC/SASM

EDS 4 DAM/RUC/SASM. EDS 4.9 Market Call. May 2, 2008. ERCOT Anti-Trust Admonition.

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EDS 4 DAM/RUC/SASM

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  1. EDS 4 DAM/RUC/SASM EDS 4.9 Market Call May 2, 2008 http://nodal.ercot.com 1

  2. ERCOT Anti-Trust Admonition ERCOT strictly prohibits Market Participants and their employees who are participating in ERCOT activities from using their participation in ERCOT activities as a forum for engaging in practices or communications that violate the antitrust laws. The ERCOT Board has approved guidelines for members of ERCOT Committees, Subcommittees and Working Groups to be reviewed and followed by each Market Participant attending ERCOT meetings. If you have not received a copy of these Guidelines, copies are available at the Client Relations desk. Please remember your ongoing obligation to comply with all applicable laws, including the antitrust laws. http://nodal.ercot.com 2

  3. Agenda • DAM/RUC EDS 4 • Current issues • Release 9.3 update • Release 8 Update • Q&A and Roll Call • Appendix http://nodal.ercot.com 3

  4. DAM Summary • Five DAMs executed • Apr 18, 23, 25, 30, May 2 • Summary of runs: • Apr18- First DAM run (120% scenario- DAM Energy Bids of forecasted Load)- • Many QSE bids/offers lost in moving to Austin site • Average LMP = $70.54 • Only A/S Cleared was Regulation Up for 7 hours (A/S insufficiency) • No data pricing errors in DAM clearing found • Apr23- Second run (80% scenario) • Average LMP = $12.76 • A/S Cleared for all 4 services • RRS was over $1000 for 2 hours (Co-optimization of Energy and AS) • Issues found in solution due to execution changes (will not be re-run) • Apr25- Third run (120% scenario) • Average LMP = $41.44 • A/S Cleared for all 4 services • No data pricing errors in DAM clearing found http://nodal.ercot.com 4

  5. DAM Summary • Five DAMs executed (continued) • Apr30- (80% scenario) • System was down part of the morning • Average LMP = $55 • AS Insufficiency improving- primarily for RRS • ERCOT issue of Load Resources not modeled properly in DAM • Procured hourly average of 22,000 MW/hour of Energy • Some large single variable block bids, ERCOT would like to see more realistic curves or delivery points to break up offers • Still checking for errors • May2- (120% scenario) • Average LMP = $70 • A/S Cleared for all 4 services (RRS insufficient) • Improved pricing for AS (RegUp $7, RegDown $9) • Procured hourly average of 32,000 MW/hour of Energy • Still checking for errors http://nodal.ercot.com 5

  6. DAM Summary • DAM issues • Load Resources not modeled properly • Load Resources were submitting, but DAM was not procuring • Found modeling issue • ERCOT has updated (via email) to Load Resources the proper network model name to use in DAM (reminder that a COP is necessary for DAM consideration) • Participation in next DAM should procure Load Resources submitting on updated naming • PtP Obligation Awards missing • Populating and solving in application, but not publishing in data set • Issue fixed and available for next DAM execution • Other Awards found to be missing • Application layer shows results and awards properly, but not posting • Anticipate fix along with PtP Obligation posting issue for next DAM • Modeling issues are excluding certain Resources and Settlement Points in DAM solution • Jointly-Owned Units • Settlement Points •    HB_HUBAVG,  HB_BUSAVG, LZ_BEPC, LZ_VFT_LAR • (Load Resources resolved above) http://nodal.ercot.com 6

  7. Current issues – EDS environment • DAM issues (continued) • EIP Related questions and issues • Three Part Supply Offers not part of getAwardSet • Patch going in afternoon of May 5 (XSD emailed on Wed Apr 30) • If QSE cannot code to patch in time, alternatives are: • Retrieve from Market Manager • Awards can be retrieved at later date (history is maintained) • Intermittent issue with GetAwardSet for API • Issue found to be part of issue above (re-ordering of payload) • Should be resolved in May 5 patch • AS awards have confusing format • <price> tag contains MW quantity awarded • Fixing in EIP v1.14 – will change to 5 quantity blocks • Questions regarding separate Non-Spin Awards for Offline and Online • Would be a significant change in MMS systems to consolidate Non-Spin • MCPC will be one value and Aggregate Bidstack will be one value • Awards provided separately • Fractional MW in awards (not a short-term fix) • Notifications and other improvements slotted for EIP 1.14 (see next slide) • More on Fixing in EIP v1.14 – planned for Sandbox 5/16, EDS late May http://nodal.ercot.com 7

  8. Web Service Deliveries to Sand Box & EDS 5/2 5/9 5/16 5/23 5/30 6/6 6/13 6/20 6/27 7/4 7/11 7/18 7/25 8/1 8/8 8/15 Awards Patch EDS OS Stable MMS4 Stable CDR3 Stable Performance Tuning Starts SNDBX • EIS 1.14 published ** • EIS 1.15 published • Final OS 5/1 in EIS 1.14 • Awards/Oblig + XSD EIS 1.14 • Awards Notif – thru Topic • MMS4 Changes to submissions • CDR2 based services • OS Notification • Policy Mgr + New WSRB • MMS Phase II Valid Notif • MIS External web services • Alerts • New Resource Parameters MMS EWS • CDR – Rest of MarketInfo • Amend COP EWS mods • Policy Manager on EDS • Utility Services • Disputes • GetReports Final Low Uncertainty Higher Uncertainty http://nodal.ercot.com 8 ** Skipping 1.13 as a version number

  9. CDR Report Update Initial Current Day Reports are starting to post supporting the Day-Ahead activities. • There are still some integration issues • Migration/upgrade on version on May 7 • Next week ERCOT will provide a more comprehensive update http://nodal.ercot.com 9

  10. Update on next phase- EDS4 Initial DAM/RUC 4.9.3 Testing Next week we will continue DAM submissions for Initial DAM Execution • No change for submissions next week • Same forecast and bid/offer limits • ERCOT looking to solve DAM with constraints • Bidding Levels (no change): • 80% of Load for May 7 (DAM execution 5/6 for Operating/Trade Day 5/7) • 120% of Load for May 9 (DAM execution 5/8 for Operating/Trade Day 5/9) • Energy Only Offers (no change): • Capped at 500 MW total • Bids/Offers no longer need to net out – take a position up to 200 MW • Required only for QSEs without Load or Resources http://nodal.ercot.com 10

  11. Update on next phase- EDS4 Initial DAM/RUC 4.9.3 Testing Next week we will continue DAM submissions for Initial DAM Execution (continued) • AS Offers (no change): • All qualified Resources should submit an AS Offer • Self-Arranged AS • Self-arrange 50% of AS Obligation (no change) • Do not arrange if less than 1MW required • PTP Obligation Bid encouraged (no change) • QSEs encouraged to self-select their credit limit (currently limits are very high) (no change) • Send an email to eds4@ercot.com containing desired credit limit with the subject line “QSE Credit Limit” • Must be sent by close of business Monday, for the week of May 5 http://nodal.ercot.com 11

  12. Update on next phase- EDS4 Initial DAM/RUC 4.9.3 Testing • Game plan for next week http://nodal.ercot.com 12

  13. Looking Ahead- EDS4 Initial DAM/RUC 4.9.3 Testing • Continue two DAMs/week through May • Week of May 5- target to run DAM with constraints • Week of May 12- target initial RUC execution • Week of May 19- target initial run of SASM • Week of May 26- target initial run of HRUC http://nodal.ercot.com 13

  14. Release 8 – New documents posted this week • Readiness Center – Statements and Invoices page now contains zip folders. Please extract all files before viewing. • Mock CARD Invoice • Mock CRR Balancing Account Invoice • Mock DAM Late Fee Invoices • Updated Mock DAM Settlement Examples (CRR Statements and Invoices Only) • MIS Certified Area • DAM Statements and Invoices for Operating Days 4/23/08, 4/25/08 and 4/30/08 (DAM awards only) http://nodal.ercot.com 14

  15. Release 8 – Verifiable Costs • Submission window is open for Verifiable Costs • ERCOT staff will begin reviewing submitted VC for simple cycle generators greater than 90MW (5/1/08) • Once VC are approved for Nodal, they will be replicated into the EDS environment • Until submitted VC are approved, ERCOT will develop and enter “temporary” VC in EDS for the units we have already received an intent via email • Must wait for MMS4 to be available in EDS • “Temporary” VC are “ball park” values and should be on the high side for each of the units. • Prior to “go live”, all “temporary” verifiable costs will be removed from the EDS/Production environments ----- (only the officially approved VC will be in the system and used at “go-live”) http://nodal.ercot.com 15

  16. Verifiable Costs – continued • ERCOT has received a healthy number of “intend to submit” emails ---- Thanks • The deadline for the “intend to submit” emails was May 1. If you missed the deadline, let us know by COB today. • Review Nodal Verifiable Cost Implementation Plan on Readiness Center athttp://nodal.ercot.com/readiness/golive/index.html http://nodal.ercot.com 16

  17. Q&A / Open ForumRoll-Call http://nodal.ercot.com 17

  18. APPENDICES • Release 9.3 Information • Release 8 documents • DAM notifications available in Sandbox • Upcoming Network Changes • Connectivity information • Links to Key Documentation • Metrics • Data preparation http://nodal.ercot.com 18

  19. Update on next phase- EDS4 Initial DAM/RUC 4.9.3 Testing • Objectives beginning in April 2008- • QSE submit offers DAM/RUC • ERCOT executes DAM/RUC (in limited manner) • ERCOT posts awards and settlement point prices • Targeting to support out of Austin Control Center (ensure firewalls comply with Appendix) • Schedule- • Run Day-Ahead markets on Tuesday and Thursday each week • Planned first DAM run is 10am on April 3rd • ERCOT system and data preparation still in progress to make April 3 date • Summary of how testing will evolve: • Execution functionality to be taken in steps (crawl > walk > run) • Weeks 1&2 – • Energy-only DAM • No A/S, no RUC, no constraints, no PtP Obligations, no credit limit • Week 3 – • Energy and A/S in DAM • Include self-selected credit limits and PtP Obligations • Weeks 4 & 5 • Execute DAM with constraints on Tuesday, include RUC on Thursday http://nodal.ercot.com 19

  20. Update on next phase- EDS4 Initial DAM/RUC 4.9.3 Testing (con’d) • Reminders below to involve business in building bids and offers ************************ • For testing purposes there will be guard-rails on data, but it will not scripted by ERCOT • So QSE BUSINESS INVOLVEMENT IS CRITICAL for reasonable pricing and business activities • All QSEs (with and without Load and Resources)- • May submit a limited amount of DAM Energy Only Offers and DAM Energy Bids that do not represent actual Resources or Loads (virtual bids and offers) • QSEs can only bid/offer up to 50MW total (later becomes 500MW) • Bids/Offers should net to 0MW total (later allowed to take position of up to 200MW) • It is important that the submitted bids be reasonably priced for producing appropriate prices and results. http://nodal.ercot.com 20

  21. Release 8 - Documents available for review on Readiness Center • Statements:http://nodal.ercot.com/readiness/reports/si/s/DAM_RESETTLEMENT_STATEMENT_20080110_0432268852000_DR2.htmlhttp://nodal.ercot.com/readiness/reports/si/s/dam_statement_20080110_0432268852000100_d1.htmlhttp://nodal.ercot.com/readiness/reports/si/s/dam_statement_20080110_0432268852000_d1.htmlhttp://nodal.ercot.com/readiness/reports/si/s/rtm_initial_statement_20080110_0432268852000100_i1.htmlhttp://nodal.ercot.com/readiness/reports/si/s/rtm_initial_statement_20080110_0432268852000_i1.htmlhttp://nodal.ercot.com/readiness/reports/si/s/rtm_trueup_statement_20080110_0432268852000100_t3.htmlhttp://nodal.ercot.com/readiness/reports/si/s/rtm_trueup_statement_20080110_0432268852000_t3.htmlhttp://nodal.ercot.com/readiness/reports/si/s/RTM_RESETTLEMENT_STATEMENT_20080110_432268852000_R4.html • Statement XMLshttp://nodal.ercot.com/readiness/reports/si/x/xs/DAM_RESETTLEMENT_STATEMENT_20080110_0432268852000_DR2.xmlhttp://nodal.ercot.com/readiness/reports/si/x/xs/DAM_STATEMENT_20080110_0432268852000100_D1.XMLhttp://nodal.ercot.com/readiness/reports/si/x/xs/DAM_STATEMENT_20080110_0432268852000_D1.XMLhttp://nodal.ercot.com/readiness/reports/si/x/xs/RTM_INITIAL_STATEMENT_20080110_0432268852000100_I1.XMLhttp://nodal.ercot.com/readiness/reports/si/x/xs/RTM_INITIAL_STATEMENT_20080110_0432268852000_I1.XMLhttp://nodal.ercot.com/readiness/reports/si/x/xs/RTM_RESETTLEMENT_STATEMENT_20080110_432268852000_R4.XMLhttp://nodal.ercot.com/readiness/reports/si/x/xs/RTM_TRUEUP_STATEMENT_20080110_0432268852000100_T3.XMLhttp://nodal.ercot.com/readiness/reports/si/x/xs/RTM_TRUEUP_STATEMENT_20080110_0432268852000_T3.XML http://nodal.ercot.com 21

  22. Release 8 documents – page 2 • Invoices:http://nodal.ercot.com/readiness/reports/si/i/DAM_INVOICE_20080110_0432268852000_DAM307.htmlhttp://nodal.ercot.com/readiness/reports/si/i/rpt.11101.0432268852000100.CRR_BALANCING_INVOICE_20080114_0.htmlhttp://nodal.ercot.com/readiness/reports/si/i/rpt.11101.0432268852000.CRR_BALANCING_INVOICE_20080114_0432.htmlhttp://nodal.ercot.com/readiness/reports/si/i/rpt.11103.0432268852000100.DAM_INVOICE_20080114_04322688520.htmlhttp://nodal.ercot.com/readiness/reports/si/i/rpt.11103.0432268852000.DAM_INVOICE_20080114_0432268852000_.htmlhttp://nodal.ercot.com/readiness/reports/si/i/rpt.11104.0432268852000.DAM_LATE_FEE_INVOICE_20071010_43226.htmlhttp://nodal.ercot.com/readiness/reports/si/i/rpt.11105.0432268852000100.RTM_INVOICE_20080124_04322688520.htmlhttp://nodal.ercot.com/readiness/reports/si/i/rpt.11105.0432268852000.RTM_INVOICE_20080124_0432268852000_.htmlhttp://nodal.ercot.com/readiness/reports/si/i/rpt.11106.0432268852000.RTM_LATE_FEE_INVOICE_20071010_43226.htmlhttp://nodal.ercot.com/readiness/reports/si/i/rpt.11109.0432268852000.CARD_INVOICE_FINAL_20080427_4322688.htmlhttp://nodal.ercot.com/readiness/reports/si/i/rpt.11109.0432268852000.CARD_INVOICE_INITIAL_20080310_43226.htmlhttp://nodal.ercot.com/readiness/reports/si/i/rpt.11110.0432268852000100.CRR_AUCTION_INVOICE_20080111_043.html • Invoices XMLs:http://nodal.ercot.com/readiness/reports/si/x/xi/DAM_INVOICE_20080110_0432268852000_DAM307.xmlhttp://nodal.ercot.com/readiness/reports/si/x/xi/rpt.11101.0432268852000100.CRR_BALANCING_INVOICE_20080114_04.XMLhttp://nodal.ercot.com/readiness/reports/si/x/xi/rpt.11101.0432268852000.CRR_BALANCING_INVOICE_20080114_04322.XMLhttp://nodal.ercot.com/readiness/reports/si/x/xi/rpt.11101.0432268852000.CRR_BALANCING_INVOICE_20080114_04322.XMLhttp://nodal.ercot.com/readiness/reports/si/x/xi/rpt.11103.0432268852000.DAM_INVOICE_20080114_0432268852000_D.XMLhttp://nodal.ercot.com/readiness/reports/si/x/xi/rpt.11104.0432268852000.DAM_LATE_FEE_INVOICE_20071010_432268.XMLhttp://nodal.ercot.com/readiness/reports/si/x/xi/rpt.11105.0432268852000100.RTM_INVOICE_20080124_043226885200.XMLhttp://nodal.ercot.com/readiness/reports/si/x/xi/rpt.11105.0432268852000.RTM_INVOICE_20080124_0432268852000_R.XMLhttp://nodal.ercot.com/readiness/reports/si/x/xi/rpt.11106.0432268852000.RTM_LATE_FEE_INVOICE_20071010_432268.XMLhttp://nodal.ercot.com/readiness/reports/si/x/xi/rpt.11109.0432268852000.CARD_INVOICE_FINAL_20080427_43226885.XMLhttp://nodal.ercot.com/readiness/reports/si/x/xi/rpt.11109.0432268852000.CARD_INVOICE_INITIAL_20080310_432268.XML http://nodal.ercot.com 22

  23. Release 8 documents – page 3 • Multiple CRR Auction Invoices See section titled CRR Auction Invoices - Release 7.2 at the following location: http://nodal.ercot.com/readiness/reports/si/index.html • Corresponding CRR Auction Invoice XMLs See section titled CRR Auction Invoices – Release 7.2 at the following location:http://nodal.ercot.com/readiness/reports/si/x/index.html • Counterparty Available Credit Limit Reporthttp://nodal.ercot.com/readiness/reports/r/r/cmm_acl_testcounterparty1_20070725.pdf • Total Potential Exposure Detail Reporthttp://nodal.ercot.com/readiness/reports/r/r/cmm_tpedetail_testcounterparty1_20070725.pdf http://nodal.ercot.com 23

  24. DAM Awards Status of DAM Award Communication (as of 3/21/08) • Due to integration issues, Notifications delivery moving toward mid-May • Awards queries will likely return compressed payloads given the size of the reports • GetAwardSet composed of: • AwardedEnergyOffer • AwardedEnergyOnlyOffer • AwardedEnergyBid • AwardedAS • AwardedCRR • AwardedPTPObligation • Awards to be available via Market Manager (display of GetAwardSet) http://nodal.ercot.com 24

  25. DAM Awards DAM awards notification availability in the nodal Sandbox • There is a scheduled job running in Sandbox that sends out notifications once a day (around 11:53 AM CST) • To receive them, you must have your listener configured in the Sandbox environment – if you need it configured, send us an email with your URL (send to eds4@ercot.com) • NOTE: These notifications are generated from static files (pre-formed xmls) • AwardedCRR • AwardedAS • AwardedEnergyBid • AwardedEnergyOffer • AwardedEnergyOnlyOffer • AwardedPTPObligation • ConfirmedTrades • UnConfirmedTrades • OutageSet • ASObligations • StartupShutdownInstructions http://nodal.ercot.com 25

  26. Forthcoming Network Changes Network Changes / site to site fail-over testing (please communicate to your network / firewall teams) • Test to be conducted mid / late March • All QSEs need to have network changes in place no later than 3/14 • The changes should enable receiving / sending data to / from:: • 66.128.16.0/24 • 66.128.17.0/24 • 66.128.18.0/24 • Reminder: required ports do not change (443/80) • Reminder: required protocols do not change (http/https) http://nodal.ercot.com 26

  27. APPENDIX- DAM/RUC 4.9.1 Testing: Basic Communications Test (“Ping” Test) • BASIC COMMUICATION TEST • Prior to this test QSE’s using External Web Services will need to have their network and security teams make the following changes: • QSE’s Market System must be able to access:https://nodaleds.ercot.com:80/2007-08/Nodal/eEDS/EWS/NOTE: this SSL URL is on port 80NOTE: this is changed from Release 3.5 • QSE’s must be able to receive messages from 66.128.17.136 • QSE’s must be able to send messages to EDS Environment: 66.128.17.32Sandbox Environment: 66.128.16.84 • QSE’s using MIS User Interface will need to have their network and security teams make the following changes: • Must be able to access: MIS URL: https://nodaleds.ercot.com/misportal/NOTE: MMS User Interface will have link from MISNOTE: MIS/MMS UI are on port 443 http://nodal.ercot.com 27

  28. APPENDIX- DAM/RUC 4.9.1 Reference: Relevant Documents http://nodal.ercot.com 28

  29. APPENDIX- DAM/RUC 4.9.1 Reference: Relevant Documents http://nodal.ercot.com 29

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