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EDS Market Call

EDS Market Call. Bi-Weekly Update. July 10, 2009. Antitrust Admonition. ANTITRUST ADMONITION

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EDS Market Call

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  1. EDS Market Call Bi-Weekly Update July 10, 2009 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 • Anti-trust Admonition • Day-to-day operations summary • Planned and Unplanned ERCOT outages of EDS systems • Future dates of any system upgrades • Standing reports and updates • General Reminders • SEM go-live update • Focused Input Testing • Nodal API sub-group • Question and Answers/General Discussion • Deep Dive Topic (different topics each meeting as needed) - Update from NIT Market Trials - Update from NIT EIS 1.19 Comment Review / Market Information 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. Day-to-day operations summary: Planned / Unplanned Outages of EDS • Planned Outages • Completed: 6/28/09 7am – 9pm General EDS environment outage (Market Management System, MIS, Outage Scheduler) • Completed: 6/30/09 12pm – 2pm EDS MIS unavailable. This will be a planned database maintenance period. • Completed: 7/7/09 8am – 1pm Sandbox Maintenance. Upgrade to EIS 1.19. • Unplanned Outages • 6/30/09 – 1pm – 1:30 Sandbox Notifications stalled. Restarted services. • 5/18/09 – Ongoing – Several issues encountered after Maintenance performed on 5/18. Currently reports are available, but will experience brief periods of unavailability. At this time there is not an ETA for the hardware upgrade. http://nodal.ercot.com 4

  5. Day-to-day operations summary: Sandbox EIS 1.19 Upgrade • Sandbox Upgrade to EIS 1.19 • Completed as scheduled on 7/7 • Supports all submission items listed in section 3.0 of the EIS 1.19 • Supports all notifications listed in EIS 1.19 • Currently, we have 15 MP’s configured to use Sandbox • If you are not set up to use the Sandbox, send an email to eds3@ercot.com • Email alerts sent when your listener is not responding were disabled in early 2009 • If you would like to receive an email when you listener did not respond, send an email to eds3@ercot.com and state the email address to be set-up

  6. Standing Report: SEM Update Market/TSP engagement calendar for Single Entry Model Implementation May 28- SEM Market Kick-off Call June 4- Began weekly ERCOT/TSP market calls for SEM June 8- ERCOT deployed test system for TSP testing on schedule June 23- Training commenced on schedule 6-weeks of 3-day classes We are here - July stakeholder meetings August 31- SEM Go-Live milestone ERCOT activity highlights Supporting market testing/training/questions/weekly-calls Converting final copy of 6/1/2009 of zonal operations model into nodal model Adding nodal data sets (such as RARF/Resource data) into the nodal model Confirming consumption of model into NMMS/EMSNodal/MMS test systems Nodal integration testing aligned to use post-SEM Go-Live model Stakeholder communications ERCOT has reported detailed progress on testing and training to market on SEM Weekly calls, NDSWG/ROS, NIT, and TAC http://nodal.ercot.com 6

  7. Standing Report: SEM UpdateSEM Go-Live Market Engagement Dashboard http://nodal.ercot.com 7

  8. Standing Report: SEM UpdateSEM Go-Live Criteria Dashboard http://nodal.ercot.com 8

  9. Standing reports and updates: Focused Input Testing Update • Next testing will take place 7/14 – 7/16 • Reminder: remaining FIT windows will only review telemetry and state estimator convergence. SCED inputs will be removed from FIT until further notice. http://nodal.ercot.com 9

  10. FIT III, Week 10 – State Estimator FIT III Assessment reports will be posted at: http://nodal.ercot.com/readiness/eds3/documents/index.html http://nodal.ercot.com 10 Key Numbers: 91% Test Average Convergence; 100% for 11 of 27 Test Hours. The majority of issues were attributable to zonal-nodal mismatches. On Day One, eight of nine test hours achieved convergence rates of 92% or higher. All issues were attributable to Manual Replacements (MRs) necessary to address zonal-nodal mismatches. On Day Two, five of nine hours achieved convergence rates of 92% or higher. Convergence rates were affected intermittently throughout the day owing to MRs necessary to accommodate a group of wind farms moving ICCP service to a different provider. A nodal database load was conducted in the afternoon, but it did not significantly affect SE convergence. On Day Three, additional MRs were needed throughout the day to accommodate intermittent wind telemetry (carry-over issue from Day Two). MRs were also necessary throughout the day to address a known reactive capability curve issue in State Estimator that limits the software’s ability to recognize MVAR values beyond a pre-defined limit. The curve issue is being addressed through code enhancements that are currently being tested in FAT. 94.91% 89.89% 0900 1000 1100 1200 1300 1400 1500 1600 1700 0900 1000 1100 1200 1300 1400 1500 1600 1700 Hour Ending Hour Ending 86.66% 0900 1000 1200 1300 1400 1500 1600 1700 1100 Hour Ending

  11. Trends – FIT II & FIT III * One hour was removed from the Week 7 test results to accommodate a nodal database load. 11 9/21/2014 LFC

  12. Q&A Q&A / Open Forum http://nodal.ercot.com 12

  13. Market Trials Submission Testing Update Nodal Implementation Team Presentation July 7, 2009 http://nodal.ercot.com 13

  14. Preparation for market trials submission testing The current EDS environment will be taken offline on July 24th Telemetry / EMS Remains in place (FIT testing windows will continue) Monthly State Estimator reports posted on nodal MIS will be made available through other distribution methods to support ongoing NDSWG efforts Wind Forecasts extracts will remain available through Zonal delivery methods MMS, Market Manager, Outage Scheduler, all External Web Services, Market Information System (MIS) will all be unavailable until the October release From July 24th – October, ERCOT will be performing Operational Readiness work (monitoring, fail-over preparation, high availability) on the environment to be used in October The Sandbox environment will remain operational throughout the outage Problems with sandbox should continue to be sent to eds3@ercot.com If you are not currently set up for Sandbox, email eds3@ercot.com

  15. Preparation for market trials submission testing July 2009 EIS v1.19 published and deployed to Sandbox Possible changes as a result of MarketInfo discussions with NIT will be captured in a future Sandbox release New Reason for Change of HSL interface will be added in a future release (approved by IRB on 6/24/09) No other functional changes expected to the EIS, except those resolving defects from testinghttp://nodal.ercot.com/readiness/sandbox/documents/index.html Draft v0.26 Explanation of Market Submission Items will be publishedCurrent version 0.25 can be found at:http://nodal.ercot.com/readiness/eds4/documents/index.html (under Release 9 - DAM/RUC/SASM) August/September 2009 Market Participants: systems development using specs and sandbox ERCOT: post settlement points, dataset (such as short names) October 2009 Market can submit all MMS transactions with business validations November/December 2009 Market Continues Submissions ERCOT continues system shake-out TBD Ramp up to Real-time qualification/market execution Ramp up to DAM qualification/execution

  16. Preparation for market trials submission testing Deploy MMS5 system and web services to the active market-facing environment in October 2009 Environment available for market to fully test submissions with business validation (all transactions) Day-Ahead / Other submission Three Part Offers Ancillary Service Offers Energy-only Offers and Bids Trades (Energy, Ancillary Services, Capacity) Self-arranged Ancillary Services CRR Offers PTP Obligation Bids Self Schedules DC Tie Schedules Resource Parameters (reflected in almost real-time) Qualification Activities Real-Time: TBD Day-Ahead: TBD Required submissions + market execution Real-Time: TBD Day-Ahead: TBD Real-Time Current Operating Plan Energy Offer Curve Output Schedules Incremental/Decremental Offer Curves

  17. EIS 1.19 Changes EIS 1.19 Changes http://nodal.ercot.com 17

  18. EIS 1.19 Questions / Comments Received • External Interfaces Specification - Additional v1.19 comments received since last report 7/7/09 NIT calendar page Q: Please share xml samples where the market type is RTM, DRUC, HRUC, SCED, and ADJ A: The ADJ market type has been removed. The required market types are stated within each interface throughout the spec. Q: It is not correct to have REGUP-RRS-ONNS in an AS Awards; need to individually reward ASType reg up, RRS, ONNS. Does not make sense to have off line and online non spin awards; there is only one capacity price for non spin, there should only be an award for non spin. A: Figure 11 (AStype Usage) has been corrected for AS Awards. AS Awards are reported according to individual AS Type. It is true that Offline and Online NS are cleared in the same market at the same price. They are reported separately in order to be able to tie the award to associated offer.

  19. EIS 1.19 Questions / Comments Received • External Interfaces Specification - Additional v1.19 comments received since last report (cont’d) Q: How do we know what the response will look like – all the load zones, weather zones, etc (components of profile)? The forecasted load and system load xml examples have MW value with precision of 1. Is this intentional? A: Examples are included in the spec for each zone. Corrected example in section 4.3.8, Forecasted Load, to reflect a precision of 1 for MW values Q: Is the requested data returned hourly? A: It is hourly data - example is updated in section 4.3.24 Aggregated AS Offer Curves

  20. EIS 1.19 Questions / Comments Received • External Interfaces Specification - Additional v1.19 comments received since last report (cont’d) Q: Is the requested data returned hourly? Is the energy bought and sold at the resource? Is it cleared DAM energy offers or does it include TPO? A: The data is provided per settlement point, and it includes all DAM energy offers, including TPO. It is hourly data and the example is updated in section 4.3.29, Total DAM Energy Q: CM-ENGYTRD-NOTF: There is no identifier which intervals of trade were confirmed, settlement point should have sp name, not participant name A: Intervals for trade confirmation are not specified as the message length could be potentially very long. Intervals that are confirmed may be reported by a subsequent trade query. Corrected Settlement Point: <PARTICIPANT_NAME> to <SETTLEMENT_POINT> in section 5.3.1.1, Figure 152 - NMMS System generated Alerts and Notifications - CM-ENGYTRD-NOT

  21. EIS Market Information Services Update: Interface Review Summary Of the 19 items from the Market Information section initially targeted for removal from EIS/EWS implementation: • 5 will be developed as a new single interface called System Parameters • 2 are still under evaluation • 12 will be removed from the EIS specification document 51 Market Info interfaces 19 interfaces under review 5 will be new interface 2 still under evaluation 7 provided other mechanism 4 not in protocols

  22. Combined into one single interface (System Parameters): 4.3.35 Responsive Reserve Capacity 4.3.36 Non-Spinning Reserve 4.3.37 Undeployed Reg-Up and Reg-Down 4.3.38 Available Capacity 4.3.45 Total ERCOT Generation Operating Reserve EIS Market Information Services Update: Interface Review Summary (cont’d) Targeted for removal from document: 4.3.17 Voltage Profiles 4.3.18 Total Regulation 4.3.21 Load Distribution Factors 4.3.22 Shift Factor 4.3.23 Customer Load Profile 4.3.26 Unit Availability 4.3.30 Derated CRRs 4.3.33 Area Control Error 4.3.34 Frequency 4.3.41 Dynamic ratings deviation adjusted 4.3.42 Average monthly Dynamic deviation 4.3.44 Total ERCOT Generation Still under evaluation: 4.3.16 Dynamic ratings 4.3.32 List of Zones, Hubs, or Buses

  23. Appendix http://nodal.ercot.com 23

  24. Creation of the Nodal Implementation Team(originally presented 6/12/09) http://nodal.ercot.com 24

  25. Standing reports and updates • Program Update – Creation of the Nodal Implementation Team (NIT) • At its June 4, 2009 meeting, TAC created the Nodal Implementation Team (NIT) which will be a vehicle for stakeholder engagement in the Nodal program.   • In preparation for the NIT initial meeting, the TPTF email distribution list has been discontinued and has been replaced by the NIT distribution list (NIT@lists.ercot.com) • If you were previously subscribed to the TPTF distribution list, no action is needed as TPTF subscribers were automatically migrated to the NIT distribution list. • If you were not previously subscribed to the TPTF distribution list and would like to subscribe to the NIT distribution list, please access the ERCOT distribution list management website at http://lists.ercot.com • Meeting materials, agenda, and WebEx information will be distributed as soon as they are available • First Meeting will take place on Monday, June 22, 2009 9:30 am – 4:30 pm • The NIT Charter was distributed via email to NIT@lists.ercot.com • The charter is embedded below for your review:

  26. Review of Overall Registration Data Project Schedule (originally presented 5/22/09) http://nodal.ercot.com 26

  27. Review of Overall Registration Data Project Schedule - Iteration 1 - Iteration 2 - Iteration 3 - Iteration 1 - Iteration 1 - Iteration 2 - Iteration 2 - Iteration 3 - Iteration 3 2009 MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Private Use Network Transmission Data Collection 85% Prod Quality 95% Prod Quality 98% Prod Quality Private Use Network Planning and Protection Data Collection Window 1- Non-Wind* RE’s Transmission / Planning / Protection Data Collection Kick Off Market Call 85% Prod Quality 95% Prod Quality 98% Prod Quality Window 2 - Wind RE’s Transmission and Planning / Protection Data Collection Kick Off Market Call 85% Prod Quality 95% Prod Quality 98% Prod Quality SEMGO-LIVE 8/31 MP-10 Phase 2 Final Validation EIS 1.19to EDS 8/10 • Each window will be broken into 3 iterations with heightening levels of data quality goals • All non-PUN RE’s will submit during 1 of 2 windows (except Wind) • Each non-PUN RE will request one of the two windows between 5/22/09 and 6/5/09 via email to nodalmarkettransition@ercot.com • Some RE’s may be moved to a different window based on volume • Planning and Protection data will be rolled in for the remaining windows (see next slide) • All Wind resources will submit during the second window http://nodal.ercot.com 27 http://nodal.ercot.com 27

  28. Registration Data Collection Update Iteration 3 of the Private Use Network Transmission Data Collection closes on 5/19/09 Current Production Quality Metric is 96.5% (goal is 98% by 5/19) 5/22/09 9:30AM – 11:00AM ERCOT will host a kick off for the next leg of the Nodal Registration Data Collection project Changes to Load Resource Registration The kick off meeting will cover the following topics: Transmission data collection (review for non-PUNs / non-Wind) Planning and Protection data review (inclusive of Private Use Networks) Review of registration activities for the remainder of 2009

  29. Nodal API sub-group Report, by Transaction, Completion Confidence(originally presented on 2/6/09) http://nodal.ercot.com 29

  30. Standing reports and updates: Nodal API sub-group(originally presented on 2/6/09) • TPTF Action – Report, by Transaction, Completion Confidence • Each Transaction will be classified into 3 confidence levels • RED – Confidence low – high risk of change in the 1.18 and/or 1.19 releases • YELLOW – Changes should be limited to non-structural changes (e.g. enumeration changes) • GREEN – Any Changes will be limited to defects. • Note that if there are no changes in 1.18 and significant change in 1.19, a transaction will be marked as RED for both. It will retain that color until all changes are complete. http://nodal.ercot.com 30

  31. Standing reports and updates: Nodal API sub-group(originally presented on 2/6/09) http://nodal.ercot.com 31

  32. Standing reports and updates: Nodal API sub-group(originally presented on 2/6/09) http://nodal.ercot.com 32

  33. Verifiable Cost Submission(originally presented on 4/17/09) http://nodal.ercot.com 33

  34. Verifiable Cost Submission(originally presented on 4/17) WMS Approved Verifiable Cost Submission Timelines: Simple Cycle Greater than 90MW June 30, 2009 Simple Cycle Less than or Equal to 90MW July 31, 2009 Gas Steam Non-Reheat Boiler Aug 31, 2009 Gas Steam Reheat Boiler Sep 30, 2009 Gas Steam Super Critical Boiler Oct 31, 2009 Combined Cycle Less than or Equal to 90MW Nov 30, 2009 Combined Cycle Greater than 90MW Dec 31, 2009 Coal, Lignite Jan 31, 2010 Nuclear, Hydro and Renewable Feb 28, 2010 Reciprocating Engines Feb 28, 2010 http://nodal.ercot.com 34

  35. Verifiable Cost Submission ERCOT plans to roll out verifiable cost training: Verifiable Cost Training will cover: What are Verifiable Costs What data need to be submitted Who is required to submit the data forms and supporting information Where, when and how are Verifiable Costs used Current Plans: Instructor Led Training during May/June One session each in Austin, Houston and Dallas Please send any comment to nodaltraining@ercot.com http://nodal.ercot.com 35

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