1. Retail Market Subcommittee Update to COPS Kathy Scott July 16, 2014 1

2. RMGRR122 Approved by RMS RMGRR122, Synchronization with NPRR608, Alignment of Transaction Timing to the PUCT Performance Measures (Vote) ◦ 05/06/14 Review/Vote: This Retail Market Guide Revision Request aligns ERCOT’s processing time with the transactional timing in the Public Utility Commission of Texas’ (PUCT’s) Performance Measures. ◦ 06/03/14 Impact Analysis Review/Vote: No project required. No impacts to ERCOT staffing, business functions or grid operations and practices. This Retail Market Guide Revision Request RMGRR) can take effect upon Technical Advisory Committee (TAC) approval.  05/06/14: RMS unanimously Approved RMGRR122 as recommended by TDTWG and TX SET. IA is scheduled for RMS review on 6/3/14.  06/03/14: RMS Unanimously Approved IA as submitted Since RMGRR122 is a synchronization to NPRR608, RMS recommended and TAC approved “TABLING RMGRR122 at TAC” awaiting NPRR608 approval at the August Board meeting. July 16, 2014RMS Update to COPS2

3. TDTWG NAESB EDM v1.6 Texas Data Transport Working Group (TDTWG) NAESB EDM V 1.6 Guide Update ◦ Redlined changes supports NPRR555 “Load Resource Participation in Security-Constrained Economic Dispatch” and the file type definition for Aggregate Load Resources in SCED.  New file types supported are – Site Data, Event Data, NIDR Meter Reads and Interval Data Meter Reads.  NPRR555 System implementation June 1, 2014  06/03/14: RMS Unanimously Approved NAESB EDM v1.6 Implementation Guide with an effective date of June 4, 2014. July 16, 2014RMS Update to COPS3

4. GREAT NEWS for COMPETITION : Sharyland Utilities Completed their Transition to Competition with Meter Read Cycles on May 30, 2014! On June 2, 2014 Sharyland Utilities (SU) read their first meter read cycle into Competition and SU EDI IDs are 100% in the ERCOT Retail Market! 71.2% of their Customer base made their Choice of Retail Providers! July 16, 2014RMS Update to COPS4

5. Sharyland Transition Issue: ◦ Involved approximately 172 Customers with multiple ESI IDs where one ESI ID (primary) is with the Competitive REP and their remaining ESI IDs owned by same Customer with Default REP(s).  PUCT Staff and SU Concerns: When Customer contracted with Competitive REP (CR) on one premise Customer may have thought that included all premises assigned to the same Customer.  Disconnect for Non-Payment (DNP) activities for these premises were temporarily suspended.  MarkeTrak Issues were created by SU that included both Competitive and Default REPs to investigate Customer’s intent for all their ESI IDs.  Effective July 7 th Investigations and recommendations were completed, therefore, DNP’s were reinstated. July 16, 2014RMS Update to COPS5

6. SCR 756 MarkeTrak Phase III Part B: Planning Phase - COMPLETE Execution/Development – COMPLETE ERCOT Testing – COMPLETE Market Training – COMPLETE ◦ June 9 th, 2014 – Houston - CenterPoint Energy ◦ June 17 th, 2014 – Dallas – ONCOR ◦ June 24 th, 2014 – Austin – ERCOT Met Center Market Testing – Started July 14, 2014 Production Implementation Go-LIVE – July 26/27, 2014 Stabilization Period Lessons Learned Meeting MarkeTrak 101 Training July 16, 2014RMS Update to COPS6

7. Announcements! AMS Data Workshop: July 16, 2014RMS Update to COPS7 Friday, June 27, 2014 9:00 AM - 1:00 PM WebEx Conference Teleconference: 1-877-668-4493 Meeting number: 657 994 656 Meeting password: AMS ERCOT Austin Room 206 ERCOT Overview of AMS Data Processes - Data Loading Process & Timing - Applicable Reports / Extracts - Estimation Process - Impact to other ERCOT Processes TDSP Overview of AMS Processes - Terminology - AMS 15-minute Interval Meter Data Collection Process - Timeline & Data Handoffs - AMS Missing Data Processes http://www.ercot.com/calendar/2014/06/20140627-AMSDATAWORK

8. Announcements! AMS Data Workshop II: ERCOT AMS Data Monitoring & Processes ◦ This workshop will:  Be focused on ERCOT’s AMS data monitoring and processes.  Aim to provide insight into ERCOT’s processing of AMS data and  Allow Retail Electric Providers an opportunity to understand the monitoring, reporting and handling of issues that arise during AMS data processing. ◦ http://www.ercot.com/calendar/2014/08/20140804-AMSDATAWork http://www.ercot.com/calendar/2014/08/20140804-AMSDATAWork July 16, 2014RMS Update to COPS8 Monday, August 4, 2014 1:30 PM – 5:00 PM ERCOT Austin Room 206 WebEx Conference Teleconference: 1-877-668-4493 Meeting number: 653 865 689 Meeting password: Workshop2

9. Announcements! July 8, 2014 RMS Meeting Cancelled ◦ With the July 4 th holiday the weekend prior to RMS, concerns were voiced during the June 3 rd RMS meeting that RMS may have issues establishing a quorum that would prevent voting on key documents. ◦ Also, with increased traffic on roads and in airports, potential increased cost for airfare and overnight hotel stay, RMS Leadership along with ERCOT made the decision to cancel the July 8 th RMS meeting. September 2, 2014 RMS Meeting may be rescheduled due to the same holiday concerns identified above for the July 8 th RMS meeting. June 16, 2014RMS Update to COPS9

10. Questions? 10July 16, 2014RMS Update to COPS