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Market Trials Real-Time Market / LFC

Stay informed with the latest antitrust admonition and market updates from ERCOT. Access guidelines for market participants to ensure compliance with antitrust laws. Get insights on planned and unplanned outages, environment reports, known issues, and real-time updates.

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Market Trials Real-Time Market / LFC

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  1. Market TrialsReal-Time Market / LFC Weekly Update June 4, 2010 http://nodal.ercot.com 1

  2. Antitrust Admonition ANTITRUST 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. DISCLAIMER All presentations and materials submitted by Market Participants or any other Entity to ERCOT staff for this meeting are received and posted with the acknowledgement that the information will be considered public in accordance with the ERCOT Websites Content Management Operating Procedure. http://nodal.ercot.com 2

  3. Agenda • Antitrust Admonition • Environment Report • Planned / unplanned outages • Known Issues • Standing Reports and Updates • General reminders / updates • Updates from NATF • RTM / LFC Update • LFC Calendar Update • State Estimator Convergence Statistics • Question and Answers / General Discussion ERCOT asks that Market Participants log into the WebEx session using their company name and then their name. This will allow ERCOT to take roll-call offline http://nodal.ercot.com 3

  4. Market Trials 2010 Roadmap http://nodal.ercot.com 4

  5. Environment Report: Planned / Unplanned Nodal Outages • Planned Outages • 06/11/2010 • The following systems will be unavailable during the supported window in order to aid with a major system maintenance upgrade • MM UI • OS UI • EWS • Unplanned Outages • 06/02/2010 1:30 P.M. – 3:30 P.M. • MPs were unable to download AS Awards for operating day 06/03 as a result of a report posting error. • 06/03/2010 03:30 P.M. – 03:40 P.M. • Market Manager users may have experienced connectivity errors while trying to submit or query for transactions . • 06/03/2010 03:00 P.M. – 04:00 P.M • Latency with VDI notification deliveries were experienced during this time period. Teams are working on determine cause of the issue. http://nodal.ercot.com 5

  6. Known Issues • New Open Issues • NP8-143 QSE Ancillary Service Capacity Monitor (Certified Report) • New Columns being added because the Report is only displaying the Undeployed Regulation and is not capturing Total Regulation Up/Down Responsibility for the QSEs • Affects EMS and CDR • NP6-552-Group 1 and Group 2 Load Resources for RRS (Certified Report) • Duplicate reports are being created for some DUNS numbers • Affects CDR • NP8-501 Monthly Resource Energy Deployment Performance Report (Certified Report) • Additional Language is being added to the Report Info Tab to clarify that Source Data will not always be available for every resource every five minutes • Recommending code changes to appropriately account any missing intervals • Affects EDW • NP8-143-Ancillary Services Capacity Monitor (Certified Report) • Report output column names being does not match with report specifications • Specification will be updated to change the prefix from RRC to RRS for the following columns: RRC_GEN_RES / RRC_LOAD_RES_WO_CLR / RRC_CLR • Affects CDR http://nodal.ercot.com 6

  7. Known Issues Recently Closed Issues • DST - CDR report of Market Infor: LoadRatioShares • Issue resolved for CDR where DST-CDR: CDR report of Market Info LoadRatioShares was missing HourEnding 02:00 and has duplicated HourEnding 04:00 when DeliveryDate is short day (CST->CDT) • MIS Notices Tab is Returning an ERROR Message • Issue resolved for MIS where list of reports was not displaying when user clicked upon the Notices tab • MW values in CDR reports contain multiple decimal points • Issue resolved in EWSMIR where MW values in CDR reports contained multiple decimal points but needed to contain single decimal points to prevent rounding errors in reports pulled through External Web Services (EWS) • Resolution aligned MW values between reports obtained via either MIS or EWS http://nodal.ercot.com 7

  8. Standing Reports and Updates: General Reminders / Updates • Real-Time Known Issues List • The Updated Real-Time Known Issues List will post overnight to the Readiness Center (http://nodal.ercot.com/readiness/markettrials/rtm/index.html). • Network Model Update • The current system loaded from the model 06/01/10 • Next scheduled load is 06/10/10 • SPP and RTRMPR Calculations • The tracking document for SPP and RTRMPR Issues will post overnight to the Readiness Center at http://nodal.ercot.com/readiness/markettrials/rtm/index.html http://nodal.ercot.com 8

  9. Updates from June 1 NATF 1/6/2020 http://nodal.ercot.com 9

  10. Update on Violated Constraint Causing Lowest SPP on May 27 Contingency DGRSBNB5 overloading 1800@LENSW : 5/27 8:00 am

  11. SPP during LFC Test on May 20th SPP during LFC Test on May 20th • System was under full nodal control from 11:55 A.M. to 12:25 P.M. • Two constraints were binding/violated during test • Contingency loss of double circuit line from Green Bayou to Gable street and Hardy to Crocket overloading Garrott to Midtown 138 kV line • Contingency loss of one Bellaire 345/138kV Transformer overloading other Bellaire 345/138kV Transformer • Constraints were in Houston area causing price separation in Houston. • Negative prices were in non load buses causing the Houston Load Zone price to be nearly $40 higher than the Houston Hub price • For example for 5/20/2010 12:15 interval • Price ranged from $ 310.87 ( Resource Nodes @ WAP) to $ -104.18 (Resource Node @ BVE_CC1) • Houston Hub price was $-3.44 • Houston Load Zone price was $36.21

  12. Real Time Market / LFC Update 1/6/2020 http://nodal.ercot.com 12

  13. Real Time Market / LFC Update • SCED Week 18 • At $2250 price cap for 397 intervals (33.1 hours) • At $3001 power balance constraint for 35 intervals (2.9 hours) Thursday • 7:30 am - 2:00 pm Leon Switch - Flat Creek 138KV • 5:30 pm - 5:50 pm Payne Switch - Epco POI 138KV • Friday • 8:40 am - 10:45 am Leon Switch - Flat Creek 138KV • 10:30 am - 1:20 pm Garrott - Midtown 138kV Saturday 12:05 pm - 3:15 pm 428T428 @SEGUIN Monday 4:45 pm - 6:00 pm Odessa North 138/69KV autotransformer 9:00 am - 12:05 pm Leon Switch - Flat Creek 138KV Tuesday 7:00 am - 12:00 am Wolf Hollow - Rocky Creek 345KV 2:45 pm - 2:55 pm Odessa North - Odessa Basin 69KV 11:30 pm - 12:00 am Matador - Paducah 69KV Wednesday 12:00 am - 12:05 am, 3:15 am - 5:00 am Wolf Hollow - Rocky Creek 345kV http://nodal.ercot.com 13

  14. Missed MIS LMP Reports • All missed LMP reports this week were for individual intervals (no blocks of time) • All except one due to MMS report trigger issue; release due to Production system 6/25 http://nodal.ercot.com 14

  15. Two hour LFC Test Results • Nodal SPPs ~$10 higher than Zonal MCPE except HB_HOUSTON, HB_BUSAVG, HB_HUBAVG http://nodal.ercot.com 15

  16. Two hour LFC Test Results • Limits steady throughout test • 2000 MW to spare before hitting $2250 Offer Cap http://nodal.ercot.com 16

  17. Two hour LFC Test Results • LMPs stable during test; price separation reflects binding/violating constraints http://nodal.ercot.com 17

  18. Two hour LFC Test Results http://nodal.ercot.com 18

  19. LFC Calendar Update http://nodal.ercot.com 19

  20. LFC Calendar Update LFC Calendar (MT4) (One Update to report since the May 28 Real-Time Call) • 76 QSEs/Sub-QSEs were targeted for Individual QSE tests • 73 scheduled a test window (99.15% of Generation) • 3 were unable to test due to modeling issues • 71 QSEs/Sub-QSEs completed all testing or an attestation (98.73% of Generation) • 5 QSE/Sub-QSEs (.90% of Generation) are working with ERCOT to resolve remaining issues, including: • Modeling issues • ICCP issues • Additional testing needed • The updated LFC Calendar will deploy overnight to the Readiness Center at http://nodal.ercot.com/readiness/markettrials/rtm/index.html • Submit questions regarding the LFC Calendar to markettrials@ercot.com http://nodal.ercot.com 20

  21. LFC Calendar Update LFC Calendar (MT5) – Upcoming Key Dates • Week of June 1 • ERCOT and Market Participants begin 24x7 telemetry support • June 1 – 11 • Prepare for the 8-Hour LFC Test • June 8 • Conduct 8-Hour LFC Workshop (http://www.ercot.com/calendar/2010/06/20100608-MT) • Discuss operational test scenarios • Report results from the 2-Hour LFC Test • This report was moved from the June 4 Real-Time Market Call • Week of June 7 • Distribute individual QSE performance results from the 2-Hour LFC Test • Week of June 14 • Conduct the 8-Hour LFC Test (June 16 – 18 timeframe) • Publish the 48-Hour LFC operational test scenarios to the Readiness Center • Week of June 21 • Publish formal 2-Hour Test Report to the Readiness Center http://nodal.ercot.com 21

  22. LFC Calendar Update LFC Calendar (MT5) – Upcoming Key Dates (continued) • Week of July 20 • The 48-Hour Test will be moved from the July 14 – 16 to the July 20 – 22 timeframe to maximize test-preparation time following the July 14 nodal database load Test Result Items for 8-Hour Workshop • During the 8-Hour Workshop, the following results will be discussed: • Frequency/CPS1 Scores • Resource Energy Deployment Performance Analysis • Review of performance in the context of test timeline and switching activities • Regulation Analysis • Load • LMPs • SCED Performance • Active Constraints • State Estimator Statistics http://nodal.ercot.com 22

  23. State Estimator Convergence http://nodal.ercot.com 23

  24. State Estimator Convergence Update http://nodal.ercot.com 24

  25. State Estimator Convergence Update http://nodal.ercot.com 25

  26. Q&A Q&A / Open Forum http://nodal.ercot.com 26

  27. Appendix http://nodal.ercot.com 27

  28. Standing Reports and Updates: General Reminders / Updates • Changes to Market Call Schedule: • Beginning May 7, the times the market call schedule will change as follows: • 09:00 AM - 09:30 AM Outage Scheduling • 09:30 AM - 10:00 AM Congestion Revenue Rights • 10:00 AM - 11:00 AM Day Ahead Market / RUC / SASM • 11:00 AM - 12:00 PM Real Time Market / LFC • 12:00 PM - 01:00 PM Break • 01:00 PM - 02:00 PM COMS/Settlements • WebEx Details will be posted at: http://www.ercot.com/committees/nodal/mt/ http://nodal.ercot.com 28

  29. URLS and EMAIL ADDRESS FOR SUPPORT • URLs for access the Nodal Production systems • MIS: https://mis.ercot.com/pps/tibco/mis/ • Market Manager: https://mis.ercot.com/pps/tibco/mis/Click the ‘Applications’ tab in the upper menu. Link is in the ERCOT Applications portlet • CRR: https://mis.ercot.com/pps/tibco/mis/Click the ‘Markets’ Link in the upper menu. Click CRR in the Market sub menu • EWS: https://misapi.ercot.com/2007-08/Nodal/eEDS/EWS • Reminder: Market Trials email address change: ERCOT asks that MPs use the markettrials@ercot.com email address for questions from this point forward • This will begin the phasing out of eds2@ercot.com, eds3@ercot.com and eds4@ercot.com email addresses. • A centralized address will no longer require MPs to “guess” which email address to use for their questions • We have implemented a more effective method of routing and responding to emails using this address • The old eds emails can continue to be used until 2009 hold over efforts are completed (such as telemetry outreach) http://nodal.ercot.com 29

  30. Market Trials Handbooks • Market Trials Handbooks • Available on the Readiness Center at the following links • Real Time Market / LFC covering Phase http://nodal.ercot.com/readiness/markettrials/rtm/index.html • Outage Scheduler covering Phase http://nodal.ercot.com/readiness/markettrials/os/index.html • CRR covering release Phase http://nodal.ercot.com/readiness/markettrials/crr/index.html • Settlements / COMs covering Phase http://nodal.ercot.com/readiness/markettrials/coms/index.html • Day Ahead Market http://nodal.ercot.com/readiness/markettrials/dam/index.html http://nodal.ercot.com 30

  31. 2-Hour LFC Test Update http://nodal.ercot.com 31

  32. 2-Hour LFC Test Update 2-Hour LFC Test Update http://nodal.ercot.com 32

  33. 2-Hour LFC Test Update 2-Hour LFC Test Update (continued) http://nodal.ercot.com 33

  34. 2-Hour LFC Test Update 2-Hour LFC Test Update (continued) http://nodal.ercot.com 34

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