MISUG Meeting Materials ERCOT 04/03/2012

2 Agenda 04/03/ Antitrust AdmonitionJ. Lavas9:30 a.m. 2.Introduction/Agenda OverviewJ. Lavas9:35 a.m. 3.Social Media UpdateJ. Ashbaugh9:45 a.m. 4.TDSP ESIID ReportK. Patrick10:15 a.m. 5. Updates on open Revision Requests  NOGRR084 Daily Grid Ops Report  NPRR422 DAM Shift Factors J. Lavas10:45 a.m. 6. Review Open Requests / Specifications & Market Requirements  CRR Shift Factors (#58)  System Wide RUC Charges (#52)  Actual Load Report (#64)  Step II Mitigation Flag J. Lavas11:00 a.m. Lunch12:00p.m. 7. Review Initiating Project Efforts  NPRR 359 Monthly TDSP Load Report  NPRR 360 Summary Report of HDL/LDL  NPRR 382 Verbal RUC Committed or Decommitted Resources Report J. Lavas1:15 p.m. 8.Review of Alerts & Notices for NOGRR084J. Lavas1:45 p.m. 9.MISUG Task List Review - AdditionsJ. Lavas2:45 p.m. 10.New Business/Future MeetingsAll3:00 p.m.

3 Updates on NPRRs and SCRs 04/03/2012

4 NPRR & SCR Updates NPRR_SCRTitleDescription Date SubmittedCurrent Status Implementation DateMore Information NPRR329 Security Classification Changes Move a defined set of reports from SECURE classification to PUBLIC classification to be available on the ERCOT website, as well as MIS2/23/2011 4/19/ BOD Approved 5/18/ Complete /issues/nprr/ /329/index SCR764 Public Access to Select MIS Dashboards Move a defined set of dashboards to be displayed as PUBLIC on the ERCOT website, as well as MIS4/7/2011 5/17/ BOD Approved August thru October /issues/scr/ /764/index NPRR350 Change to the Security Classification of the System Ancillary Service Capacity Monitor Dashboard Change the security classification from SECURE to PUBLIC to be displayed on the ERCOT website, as well as MIS4/11/2011 5/17/ BOD ApprovedAugust /issues/nprr/ /350/index SCR765 Aggregate Wind Dashboard Create a public aggregate wind dashboard for MIS and the ERCOT webiste4/18/2011 6/21/ BOD Approved /issues/scr/ /765/index NPRR359 Monthly TDSP Load Report Create a monthly report that includes TDSP load data based on initial settlement5/4/2011 8/16/ BOD Approved April /issues/nprr/ /359/index NPRR360 Summary Report of HDL and LDL Create a PUBLIC report to run after each SCED to publish the summary of HDL and LDL. Create a PUBLIC report to run after 60 days disclosing the manual overrides for resources and the summary of HDL and LDL.5/4/2011 9/20/2011 – BOD Approved June /issues/nprr/ /360/index 04/03/2012

5 NPRR & SCR Updates 04/03/2012 NPRR_SCRTitle Date SubmittedCurrent Status Implementation DateMore Information NPRR361 Real-Time Wind Power Production Data Transparency5/4/2011 8/16/ BOD ApprovedQ /361/index NPRR382 Verbal RUC Committed or Decommitted Resources Report6/8/2011 9/20/ BOD ApprovedJune /382/index NPRR383Unconfirmed Trades Report6/8/2011 9/20/ BOD ApprovedAugust /383/index NPRR422Public DAM Shift Factors10/27/ /22/2012 – BOD Approved Q /422/index

6 DRAFT NPRRs / Collect Market Requirements for Extracts/Reports CRR Shift Factors (#58) – can this be submitted as is? System Wide RUC Charges (#52): Tabled from last meeting Actual Load Report (#64) : Tabled from last meeting. Followed up with originator of request. They are looking for a report version of the current dashboard. Step II Mitigation Flag: Request from last meeting for an indicator of when the generator has been dispatched under step II of SCED. Need further discussion on what is wanted and if an NPRR from MISUG is needed. 04/03/2012

7 Questions 04/03/2012

8 Next Meeting’s Topics 04/03/2012 Next Meeting June 2012 – Web Ex Only Specs: Follow up: NPRRs: