1. April 5, 2016 Retail Market Subcommittee Update to TAC Kathy Scott April 28, 2016 1

2. Revision Requests Tabled at RMS: NPRR753 and RMGRR134: ◦ Allows an AMS Data Submittal Process for TDSP- Read Non-Modeled Generators.  03/1/16 RMS: Additional time needed to review ERCOT’s 2/29/16 Comments  04/5/16 RMS: Both continued to be ‘Tabled’ at RMS due to data privacy and data confidentiality concerns that were identified by the Joint TDSPs. April 28, 2016RMS Update to TAC2

3. Advanced Metering Working Group (AMWG) AMWG Procedures: ◦ 03/01/16 RMS : Referred back to the Advanced Metering Working Group (AMWG)  RMS member requested additional clarifications were necessary ◦ 04/05/16 RMS: RMS Unanimously Approved the AMWG Procedures with the 3/22/16 AMWG edits. AMS Data vs 867_03 Usage Data Reporting: ◦ http://www.ercot.com/content/wcm/key_documents_lists/81381/AMS R_Cycle_Read_Analysis_Dec15_v2.pptx http://www.ercot.com/content/wcm/key_documents_lists/81381/AMS R_Cycle_Read_Analysis_Dec15_v2.pptx ◦ http://www.ercot.com/content/wcm/key_documents_lists/81381/AMS _Volume_and_Count_Report_ERCOT_Feb16.xls http://www.ercot.com/content/wcm/key_documents_lists/81381/AMS _Volume_and_Count_Report_ERCOT_Feb16.xls ◦ http://www.ercot.com/content/wcm/key_documents_lists/81381/867_ vs._AMS_Dec15.xlsx http://www.ercot.com/content/wcm/key_documents_lists/81381/867_ vs._AMS_Dec15.xlsx April 28, 2016RMS Update to TAC3

4. Advanced Metering Working Group (AMWG) Reminder April 2016 SMT Planned Release: ◦ DAY AFFECTED: Friday, April 29 th 9:00 P.M. until Saturday, April 30 th at 9:00 A.M.  Usability Defect in SMT and SMT Maintenance that will Require a (6-hour) Outage Affecting Certain SMT Portal Services:  New Functionality will allow users to open SMT in multiple tabs in the same browser without having to re-enter login information.  System Impacts:  Portal, Home Area Network (HAN) and On-Demand Reads (ODR) affected  No impact on LSE files and FTPS folders April 28, 2016RMS Update to TAC4

5. SMT Help Desk Calls 443 ( +37) SMT Help Desk Tickets426 ( +9) ◦ Residential = 346 (+ 3)  GUI access issues = 72 ( - 31)  Registration issues = 191 (+ 18) SMT Registered Users (Res) 66,650 (+ 1,183) ESIs in SMT 7,129,456 (+12,354) Active Meters in SMT 7,061,501 (+12,613 ) SMT Statistics for February 2016 5 April 28, 2016RMS Update to TAC

6. Active Energy Data Agreements 993 (3/1/16) *Total Energy Data Agreements 2,496 (+1,331) *Active and Pending ◦ AEPN = 0; CNP = 596; Oncor = 1,899 HAN Device Agreements 389 (NC) HAN Devices 9,741 (-44) 3 rd Parties Registered @ SMT 86 (+1) REPs Registered @ SMT 108 (+1) On Demand Reads ◦ Customers 4,780 ◦ REPs16 ◦ 3 rd Party 0 SMT Statistics for February 2016 6 April 28, 2016RMS Update to TAC

7. Retail Market Training Taskforce (RMTTF) Reminders: ◦ Retail Market Training Roadshow:  Instructor Led Classes by ERCOT and MPs  Hosted by TXU Energy  200 W John Carpenter Freeway Irving, TX 75039  Retail 101: Thursday, May 5, 2016  MarkeTrak: Friday, May 6, 2016 ◦ Sign-up for Classroom or Webinar:  http://www.ercot.com/services/training http://www.ercot.com/services/training April 28, 2016RMS Update to TAC7

8. ERCOT Updates Inadvertent Gain Statistics Reporting – D. Michelsen ◦ http://www.ercot.com/content/wcm/key_documents_lists/77528/13._ _April_RMS_2016_IAG_Numbers.pptx http://www.ercot.com/content/wcm/key_documents_lists/77528/13._ _April_RMS_2016_IAG_Numbers.pptx ◦ http://www.ercot.com/content/wcm/key_documents_lists/77528/13._ _Inadvertent_Stats___January_2016.pptx http://www.ercot.com/content/wcm/key_documents_lists/77528/13._ _Inadvertent_Stats___January_2016.pptx IT Incident Report – D. Pagliai ◦ Service Availability –  March - Retail Market IT systems met all SLA targets ◦ Incidents & Maintenance –  March - None to Report April 28, 2016RMS Update to TAC8

9. Questions? 9April 28, 2016RMS,Update to TAC