EDS 4 DAM/RUC/SASM

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EDS 4 DAM/RUC/SASM

EDS 4.9 Market Call

May 9, 2008


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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.


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Agenda

• DAM/RUC EDS 4 – Release 9.3 update– Release 8 Update – Q&A and Roll Call

• Appendix


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DAM Summary

• Seven DAMs executed so far (summary of this week below)• May 7- (80% scenario)

– With constraints– Average LMP = $5– AS Insufficiency for RRS and RegDn for several hours– 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

– Deemed invalid due to modeling errors (more on next slide)– 100 QSE participated on May 7

• May9- (120% scenario)– With constraints– Average LMP = $65– A/S insufficient for RegDn for one hour– Procured hourly average of 36,000 MW/hour of Energy– Deemed invalid due to modeling errors– 104 QSEs participated on May 9

• Issue with Current Day Report so ERCOT to email DAM LMPs


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DAM Summary

• DAM systems update– Modeling issues are excluding certain Resources and Settlement

Points in DAM solution• Settlement Points

– HB_HUBAVG, HB_BUSAVG, LZ_BEPC, LZ_VFT_LAR• Jointly-Owned Units• Reminder that workaround was sent to QSEs with Load Resources with new

Resource names that can be cleared in DAM

– Constrained solution yielding low, in some case negative, LMPs• Not valid LMPs from errors in manual modeling of busses to Settlement Points in

MMS network model• Focus is on MMS4 network model

– EIP 1.14 set to release today• Sandbox migration- 5/22• EDS migration 5/29


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CDR Report Update

Current Day Reports environment experienced issues this week– Existing reports had issues this week– MIS related migration/upgrade to CDR for May 7 is delayed to next week– ERCOT will provide a more comprehensive update on reports next week


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Update on next phase- EDS4 Initial DAM/RUC 4.9.3 Testing

Next week we will continue DAM submissions for Initial DAM Execution

– First Adjustment Period activity to be conducted next week- SASM• (more on later slide)

– No change for DAM submissions next week• Same forecast and bid/offer limits

– Bidding Levels (no change): • 80% of Load for May 14 (DAM execution 5/13 for Operating/Trade Day 5/14)• 120% of Load for May 16 (DAM execution 5/15 for Operating/Trade Day 5/16)

– 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


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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 [email protected] 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


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Supplemental Ancillary Services Market (May 14 and May16)

- During the Adjustment Period, QSEs can update AS Offers • Rules in Protocols 6.4.8.2.1- Resubmitting Offers for Ancillary Services in the Adjustment Period

– (a) The resubmitted offer quantity (in MW) must be offered at a price equal to or less than the lowest price of the previous offer for capacity of the portion that was not resubmitted;

– (b) For any amount of the offer that is greater in quantity than the QSE’s offer that was not selected in a previous market, the incremental amount of the offer may be submitted at any price subject to applicable offer caps and offer floors; and

– SASM will be to procure additional 300MW of UpReg• For HE 1800-2000 on Trade Date 5/14 and 5/16

• QSE will be able to update Self-Arranged AS from 1000-1100 on 5/14 and 5/16

• QSE will use 300MW additional RegUp against QSE Load Ratio Share

• Option to Self-Arrange or allow ERCOT to procure

• Email will be sent with details to EDS4 contacts

• Notifications not in place, so SASM is pre-arranged in this manner for these 2 tests

• Same submissions, just different timing and validation rules


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– Game plan for next week


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Looking Ahead- EDS4 Initial DAM/RUC 4.9.3 Testing

Continue two DAMs/week through May

– Week of May 12- initial SASM execution

– Week of May 19- target initial run of DRUC

– Week of May 26- target initial run of HRUC


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Release 8 Update

Reminder:

• DAM Statements and Invoices have been posted to the MIS Certified area

(Operating Days 4/18/08, 4/23/08, 4/25/08, 4/30/08)

• Submission window open for Verifiable Costs

• Review Standard and Mock postings on Readiness Center (see Appendix slides)

Plan for next week: Mock posting to Readiness Center

RTM Initial Statements and Invoices

RTM Late Fee Invoices

RTM Statement where there is no DAM


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Q&A / Open Forum

Roll-Call


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-Release 9.3 Information-Release 8 documents-DAM notifications available in Sandbox-Upcoming Network Changes-Connectivity information-Links to Key Documentation -Metrics-Data preparation

APPENDICES


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• 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


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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 500MW total

• Bids/Offers should net to a position of up to 200MW

• It is important that the submitted bids be reasonably priced for producing appropriate prices and results.


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Release 8 - Appendix

Reports, DDLs, and XSDs posted to Readiness Center:

CMM Credit Standing to ERCOT Counterparty Report

http://nodal.ercot.com/readiness/reports/r/r/cmm_acl_testcounterparty1_20070725.pdf

CMM Total Potential Exposure Detail Report http://nodal.ercot.com/readiness/reports/r/r/cmm_tpedetail_testcounterparty1_20070725.pdf

EDW – PRDE Draft DDL http://nodal.ercot.com/readiness/reports/d/d/PRDE_DRAFT_v4.txt

EDW – Settlements Draft DDL http://nodal.ercot.com/readiness/reports/d/d/settlements_draft_ddl_v0_05.txt

EDW – PRDE Draft XSD http://nodal.ercot.com/readiness/reports/xsd/xsd/edw_prde_draft_xsd_v0_01.txt

EDW – Settlements Draft XSD http://nodal.ercot.com/readiness/reports/xsd/xsd/edw_settlements_draft_xsd_v0_01.txt

COMS – Market Data Transparency Specifications

http://nodal.ercot.com/docs/pd/coms/od/mdts/coms_market_data_transparency_specifications_040425_v0_7.xls

Statement and Invoices XSL http://nodal.ercot.com/readiness/reports/xsd/xsd/statement_and_invoice_xsls.zip


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Release 8 - Appendix

Standard and Mock Statements and Invoices posted to Readiness Center:

Mock CARD Invoice and Extracts http://nodal.ercot.com/readiness/reports/si/kd/card_invoices_and_extracts.zip

Mock CRR Balancing Account Invoice

http://nodal.ercot.com/readiness/reports/si/kd/mock_crr_balancing_account_invoice_examples.zip

Mock DAM Late Fee Invoices http://nodal.ercot.com/readiness/reports/si/kd/dam_late_fee_invoices.zip

Draft Invoices http://nodal.ercot.com/readiness/reports/si/kd/Draft%20Invoices.zip

Draft Settlement Statements http://nodal.ercot.com/readiness/reports/si/kd/draft_settlement_statements.zip

Mock DAM Settlement Examples http://nodal.ercot.com/readiness/reports/si/kd/mock_dam_settlement_examples.zip


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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)


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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 [email protected])

• NOTE: These notifications are generated from static files (pre-formed xmls)

– AwardedCRR– AwardedAS– AwardedEnergyBid– AwardedEnergyOffer– AwardedEnergyOnlyOffer– AwardedPTPObligation– ConfirmedTrades– UnConfirmedTrades– OutageSet– ASObligations– StartupShutdownInstructions


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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)


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APPENDIX- DAM/RUC 4.9.1 Reference: Relevant Documents

EDS 4.9.1 – DAM/RUC/SASM Test Package

http://nodal.ercot.com/readiness/eds4/documents/index.html

Settlement Point Listing http://nodal.ercot.com/readiness/eds4/documents/index.html

QSE Short Name Listing http://nodal.ercot.com/readiness/eds4/documents/index.html

Dashboard of Metrics and Schedule


EDS Issue Submission Form

http://nodal.ercot.com/readiness/eds4/documents/r9/ercot_eds_issue_submission_form.xls

EIP External Interface Specification

http://nodal.ercot.com/docs/pd/eip/od/misp/eip_external_interfaces_specification_v1_11.zip

Explanation of Market Submissions v0.25



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APPENDIX- DAM/RUC 4.9.1 Reference: Relevant Documents

ERCOT Nodal Transition Plan

http://nodal.ercot.com/docs/po/pd/ntp/ERCOT_Nodal_Transition_Plan_110305.doc

EDS 4 Approach v1.0 http://nodal.ercot.com/readiness/eds4/documents/index.html

EDS 4 - DAM/RUC/SASM Market Participant Handbook v1.0


Market Management System User Guide

http://nodal.ercot.com/docs/pd/eds/eds4/eds4mmsuidum/eds_4_mms_ui_draft_user_manual_20080403.doc