MISUG Meeting Materials

ERCOT4/28/2011

2 MISUG4/28/2011

Agenda

1. Antitrust Admonition J. Lavas 9:30 a.m.

2. Introduction J. Lavas 9:35 a.m.3. Market Data Transparency Statistics – March J. Ashbaugh 9:45 a.m.

4. Updates on NPRRs and SCRs – collect CBA information•NPRR329 Security Classification Changes•SCR764 Public Access to Select MIS Dashboards•NPRR350 Change to the Security Classification of the System Ancillary Service Capacity Monitor Dashboard•SCR765 Aggregate Wind Dashboard

J. Ashbaugh/T. Anderson

10:00 a.m.

5. Review ERCOT Secure MIS content J. Ashbaugh 11:00 a.m.

6. Draft NPRRs and SCRs from 3/31 report requirements•Aggregate Wind Output Report (#63) •Monthly TDSP Load by LSE Report (#55)•Sum of HDLs/LDLs Report (#48)•Unconfirmed Trades Report (#29)

J. Ashbaugh 11:30 a.m.

Lunch 12:00 p.m.

7. Continue with Agenda item #6 J. Ashbaugh 1:15 p.m.

8. New Reports - collect market requirements•HRUC after approval (RUCVDI) (#4)•DC Tie Schedules Report (#56)•Historical Load Zone/Hub Price Report (#9)•Load Reporting (#65)

J. Ashbaugh 2:15 p.m.

9. MISUG task list priorities review J. Ashbaugh 3:15 p.m.

10. Other Business All 3:30 p.m.

11. 5/24/2011 Agenda Topics All 3:45 p.m.

12. Adjourn 4:00 p.m.

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Market Data Transparency Statistics - March

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ERCOT Website Page Views – March 2011

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External Web Services Market Transactions – March 2011

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External Web Services Market Info Reports – March 2011

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External Web Services Alerts/Notifications – February 2011

Note: 3/11/2011 spike - MMS Energy Trade Notifications issue from a resolved defect on 12/9/2010 was reintroduced and fixed same day.

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External Web Services Alerts/Notifications – March 2011

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Extract & Report Postings

ERCOT Board of DirectorsApril 19, 2011

Market Extract & Report PostingsRun on Apr 6, 2011 12:24:47 PM

Start Date: March 1, 2011End Date: March 31, 2011

Posting Classifications:Certified = Available only to the Market Participant owning that dataSecure = Available to any Market Participant with a digital certificatePublic = Available to all Market Participants & general public (via ERCOT.com)

TOTAL POSTINGS TOTAL FILE SIZE (GB)1,675,875 173.87

Note: reduction that began 3/23 was due to turning off the xml format of a 5-min report that is also provided in csv format

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Extract & Report Postings

ERCOT Board of DirectorsApril 19, 2011

Top 10 Market Extract & Report PostingsRun on Apr 5, 2011 2:01:22 PM

Start Date: March 1, 2011End Date: March 31, 2011

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Extract & Report Downloads

ERCOT Board of DirectorsApril 19, 2011

Market Extract & Report DownloadsRun on Apr 5, 2011 2:55:58 PM

Start Date: March 1, 2011End Date: March 31, 2011

Posting Classifications:Certified = Available only to the Market Participant owning that dataSecure = Available to any Market Participant with a digital certificatePublic = Available to all Market Participants & general public (via ERCOT.com)

TOTAL DOWNLOADS TOTAL FILE SIZE (GB)20,689,878 1,286.65

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Extract & Report Downloads

ERCOT Board of DirectorsApril 19, 2011

Top 10 Market Extract & Report DownloadsRun on Apr 5, 2011 1:58:20 PM

Start Date: March 1, 2011End Date: March 31, 2011

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Review ERCOT Secure Content

20110428_Agenda_5_MISUG_Secure_posting_list.xls

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Updates on NPRRs and SCRs – collect CBA information

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NPRR329 Security Classification Changes

• Submitted: 2/23/2011• URGENT PRS vote: 2/25/2011 approved• PRS meeting: 3/24/2011

• Approved with TIEC, ERCOT and PRS comments. Changes from original submission include:• State Estimator Load Reports will not move to PUBLIC• State Estimator Load Reports require changes to remove

single customer load data• ERCOT addressing the removal of PUNs

• Recommended Priority: Critical Rank: 9.2• TAC meeting: 4/7/2011 approved• BOD meeting: 4/19/2011 approved• Planned Implementation: May 2011

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SCR764 Public Access to Select MIS Dashboards

• Posted: 4/7/2011• URGENT WMS vote: 4/7/2011 approved• PRS meeting: 4/21/2011

• Recommended approval as revised by ERCOT comments and PRS.  Includes SCED Up/Down, LMP Contour Map, Load Forecast vs. Actual, LMP Ticker with selected prices, and Real-Time System Conditions

• Recommended priority of Critical and Rank of 9.2.1.• Next Stop: TAC 5/5/2011

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NPRR350 Change to the Security Classification of the System Ancillary Service Capacity Monitor Dashboard

• Posted: 4/11/2011• URGENT PRS vote: 4/13/2011 failed• PRS meeting: 4/21/2011

• Granted Urgent status.  Recommended approval as submitted and forward to TAC.

• Next Stop: TAC 5/5/2011• IA will be reviewed for priority and rank.

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SCR765 Aggregate Wind Dashboard

• Posted: 4/18/2011• URGENT WMS vote: 4/20/2011 failed• Next Stop: WMS 5/11/2011

• Re-requesting urgency.

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Draft NPRRs and SCRs from 3/31 report requirements

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Draft NPRRs and SCRs for report requirements

MISUG3/31/2011

•Aggregate Wind Output Report (#63) •Monthly TDSP Load by LSE Report (#55)•Sum of HDLs/LDLs Report (#48)•Unconfirmed Trades Report (#29)

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New Reports - collect market requirements

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New Reports – collect market requirements

Business Requirement Extract and Report Specification.xls

• HRUC after approval (RUCVDI) (#4)• DC Tie Schedules Report (#56)• Historical Load Zone/Hub Price Report (#9)• Load Reporting (#65)

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Review MISUG task list priorities

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• NPRR 299 Remove Requirement for ERCOT Board Approval of PUCT, IMM, and FERC Required Reports – capture market benefits, review requirements, discuss process

• Discuss market requirements:

– Daily Grid Operations Report

– Non-Spin Notifications - change to receive via ICCP– NDCRC - where season HSL and VAR tests

– Weather data assumptions for DAM (new dashboard)– System ACE

– Sum of HDLs and LDLs

– SCED Up/Down dashboard – merge to be on same axis• Discuss draft NPRRs/SCRs:

– Alerts & Notifications changes– Reports from 4/28 meeting

May Meeting Topics

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Questions