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Market Trials Open Market Participant Call

Market Trials Open Market Participant Call. Weekly Kick Off. Aug 30, 2010. Antitrust Admonition. ANTITRUST ADMONITION

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Market Trials Open Market Participant Call

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  1. Market TrialsOpen Market Participant Call Weekly Kick Off Aug 30, 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. This Week’s Activities • RTM / LFC • Submit Energy Offer Curves representative of a post go-Live scenario • Next Full System Market and Reliability Test will begin on 9/12/2010 • This test will be 48 hours total • Testing times will be 2:00 PM on 9/12 through 2:00 PM on 9/14 • ERCOT will begin making calls to QSEs where problems are found 2 hours prior to the test start • If there are updates to your contacts (especially during the overnight hours, please send those to markettrials@ercot.com. • GREDP reports will begin being distributed today • DAM / RUC • Week 18 (of phase 5): DAM will run 3 times this week for operational days 8/31/2010 through 9/2/2010 • DRUC will continue to run with each DAM (ask that QSEs continue to update COPs based on actual resource plan) • HRUC will occur on a limited basis around the clock • Submit a realistically large number of CRR Offers to the Day-Ahead Market, on August 30 and 31, 2010 for Operating Days August 31 and September 1, 2010. • CRR • 08/30/2010: September invoices posted to MIS by 23:59:59 • ERCOT will be adding an auction for October per the 168-Hour handbook. Details on this will be provided at the Friday call • Outage Scheduler • Verification and synchronization of outages effective in September and Dec 1 and later • REMINDER: all outages effective for September should be entered and verified no later than EOB today • REMINDER: all outages effective Dec 1, 2010 and later must be entered and verified no later than 9/17/2010. Once complete send an email confirmation to markettrials@ercot.com. http://nodal.ercot.com 3

  4. Follow-ups / Special Topics • Next week’s Monday Call will be re-scheduled for Tuesday 9/7/2010 due to the holiday • Reminder: MRS #6 will occur on 9/1/2010 from 2:00 PM – 5:00 PM • This will be a WebEx only Seminar • Details are available and posted at:http://www.ercot.com/calendar/2010/09/20100901-MT1 • 168-Hour Test • Details to be review at MRS #6 • Market Notice will be distributed this week detailing the WebEx information for the daily Market calls that will occur during the test • Reminder: Dates of the test are 09/08/2010 – 09/15/2010 • Reminder: The Closed Loop / LFC portion of the test will occur Sunday, 09/12/2010 2:00 PM – Tuesday, 09/14/2010 2:00 PM http://nodal.ercot.com 4

  5. Follow-ups / Special Topics • Next week’s Monday Call will be re-scheduled for Tuesday 9/7/2010 due to the holiday • Reminder: MRS #6 will occur on 9/1/2010 from 2:00 PM – 5:00 PM • This will be a WebEx only Seminar • Details are available and posted at:http://www.ercot.com/calendar/2010/09/20100901-MT1 • 168-Hour Test • Details to be review at MRS #6 • Market Notice will be distributed this week detailing the WebEx information for the daily Market calls that will occur during the test • Reminder: Dates of the test are 09/08/2010 – 09/15/2010 • Reminder: The Closed Loop / LFC portion of the test will occur Sunday, 09/12/2010 2:00 PM – Tuesday, 09/14/2010 2:00 PM http://nodal.ercot.com 5

  6. Load Resources Deployment/Recall Reminder • Day 1 (8/30) – QSEs with Load Resources should submit AS Offers and AS self-schedules into the Day-Ahead Market on 8/30 for Operating Day 8/31. • QSEs should reflect DAM AS awards and self-schedules in their COP prior to DRUC • After DRUC, ERCOT will create Group 1 & Group 2 deployment stacks and publish them to the MIS Secure Area => Grid => Generation => Load Resource Portlet => “Group 1 and Group 2 Load Resources for RRS” report • Day 2 (8/31) – Test begins at 9AM and concludes at 11:30AM        • Deployment messages will be send out to Group 1 and Group 2 resources along with appropriate VDIs • Detailed script has been distributed to all QSEs with Load Resources • Results will be reviewed on the Friday Market Call after ERCOT staff evaluates the results of the test • Contact Markettrials@ercot.com with any questions. http://nodal.ercot.com 6

  7. Market Trials40-Hour (Aug 26-28) Full-System and Market Reliability Test Updates August 26, 2010 http://nodal.ercot.com 7

  8. Approximate 40-Hour Test Timeline – Aug 26 http://nodal.ercot.com

  9. Approximate 40-Hour Test Timeline – Aug 27 – 28 http://nodal.ercot.com

  10. 40-Hour Test Completion Criteria – Initial Assessment Overview – Completion Criteria • ERCOT will communicate an initial assessment of the following completion criteria upon conclusion of the test : • The rolling CPS1 one minute average score must equal or exceed 100% during the test period • Note that the CPS1 average will not take into account the periods where ERCOT is transitioning to Nodal and then back to Zonal • Note that the CPS1 average will not take into account the periods where ERCOT is performing system tuning • Hourly CPS1 Scores: • Max: 180, Min: 84, Average: 146 • There was only one hour in which the CPS1 score was less than 100 (HE 0100 on Aug 28th) • Zonal Commercially Significant Constraints (CSCs) and Closely Related Elements (CREs) managed below thermal limits. West-North stability constraint was active in nodal during final 1 ½ hours of testing and was active in zonal during the transition period from nodal to zonal control • Local Congestion managed below thermal limits Yes • Stability limits managed below transfer limits • No NERC Disturbance Control Standard (DCS) failure if applicable. No DCS failures during the test • No LFC-SCED system issues that result in termination of the test. No LFC / SCED failures • Procedural and software fixes have been verified to address lessons learned from previous rounds of testing http://nodal.ercot.com

  11. Full System Market and Reliability Test Update: CP1 Score Update • 08/28/2010 CPS1 scores dropped to 84 due to Generators not following the process for shutting down http://nodal.ercot.com 11

  12. 40 hour test http://nodal.ercot.com 12

  13. 40 hour test Approx. 1000MW NSRS deployed 15:45 – 18:00 HDL approaching HASL http://nodal.ercot.com 13

  14. 40 hour test Odessa constraint violated until 14:55; $2800 SP; similar pricing as last test http://nodal.ercot.com 14

  15. 40 hour test http://nodal.ercot.com 15

  16. 40 hour test • Price correction pending for zonal intervals with negative price – incorrect gen offset was used http://nodal.ercot.com 16

  17. 40 hour test http://nodal.ercot.com 17

  18. 40 hour test http://nodal.ercot.com 18

  19. 40 hour test http://nodal.ercot.com 19

  20. 40 hour test http://nodal.ercot.com 20

  21. Market Trials24-Hour (Aug 19-20) Full-System and Market Reliability Test Updates August 26, 2010 http://nodal.ercot.com 21

  22. 24-Hour Test (Aug 19- 20) –Results • GREDP Analysis • The GREDP Results from the Aug 19-20 24-Hour Test will be distributed beginning Aug 30th • For this analysis; X=5%, Y=5 MW, and Z=10% • Criteria: • Non-IRRs must have a GREDP less than X% or Y MW for 85% of the intervals in which GREDP was scored • IRRs must have a GREDP less than Z% or the output must be less than their expected output for 95% of the intervals in which GREDP was scored Non-IRRs IRRs http://nodal.ercot.com 22

  23. 24-Hour Test (Aug 19- 20) – Results http://nodal.ercot.com 23

  24. 24-Hour Test (Aug 19- 20) – Results http://nodal.ercot.com 24

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