1. Retail Market Subcommittee Update to COPS Kathy Scott May 13, 2015 1

2. RMGRR130 Voting Recommendation: RMGRR130, Alignment of Section 7, Market Processes, with TDSP Terms & Conditions Tariff Effective 01/15/2015 (Vote) ◦ This Retail Market Guide Revision Request (RMGRR) synchronizes Section 7, Market Processes with Public Utility Commission of Texas (PUCT), Rulemaking Proceeding to Amend PUC SUBST. R. §25.214 Relating to Terms and Conditions of Retail Delivery Service Provided by Investor Owned Transmission and Distribution Utilities (TDUs) and Pro-Forma Retail Delivery Tariff effective 01/15/2015.  04/07/15 RMS Voting: RMS unanimously Approved “Tabling” RMGRR130.  04/22/15: TX SET provided additional comments for RMS consideration  05/05/15 RMS Discussion/Vote: Motion to Approve as amended by the 4/22/15 TX SET comments and the 5/5/15 RMS comment --- RMS Unanimously Approved RMGRR130, which includes the new Appendix D3, TDSP’s Discretionary Services Timeline. RMS will consider RMGRR130’s Impact Analysis (IA) during the June 2 nd RMS meeting May 13, 2015RMS Update to COPS2

3. RMGRR131 Voting Recommendation: RMGRR131, Guidelines for Notification of Invoice Dispute (Vote) ◦ This Retail Market Guide Revision Request (RMGRR) will align the Retail Market Guide with current market practices.  7.8.2, Guidelines for Notification of Invoice Dispute  Market efficiencies or enhancements ◦ There were two sets of comments submitted to ERCOT’s Revision Listserv for RMGRR131 –  ERCOT’s and TXU Energy’s that required additional review and discussions by MarkeTrak Taskforce Subject Matter Experts during their May 7, 2015 scheduled meeting. ◦ 05/05/15 RMS Discussion/Vote: Motion to “Table” Unanimously Approved by RMS to allow RMS to receive MTTF Recommendations May 13,, 2015RMS Update to COPS3

4. TX SET Working Group Voting Items: ◦ Texas Market Test Plan Revision (Vote)  05/05/15 RMS Discussion/Vote: Unanimously Approved by RMS as recommended by TX SET.  http://www.ercot.com/content/wcm/key_documents_lists/54233 /05.__Texas_Market_Test_Planv1_10_TexasSET_04222015.doc http://www.ercot.com/content/wcm/key_documents_lists/54233 /05.__Texas_Market_Test_Planv1_10_TexasSET_04222015.doc ◦ 2015 Flight Schedule Changes (Vote)  05/05/15 RMS Discussion/Vote: Unanimously Approved by RMS as recommended by TX SET.  http://www.ercot.com/content/wcm/key_documents_lists/54233 /05.__Approved_Test_Flights_TXSET_04222015.doc http://www.ercot.com/content/wcm/key_documents_lists/54233 /05.__Approved_Test_Flights_TXSET_04222015.doc May 13, 2015 RMS Update to COPS4

5. Retail Market Training Taskforce (RMT TF) RMT TF Scope (Vote) ◦ The Retail Market Training Task Force, reporting to RMS, is responsible for coordinating the development and maintenance of Retail Market training materials for ERCOT Market Participants.  05/05/15 RMS Discussion/Vote: Unanimously Approved by RMS as recommended by the Retail Market Training Taskforce.  http://www.ercot.com/content/wcm/key_documents_lists/54233/05.__RMTTF_FIN AL_Update_to_RMS_20150505.pptx http://www.ercot.com/content/wcm/key_documents_lists/54233/05.__RMTTF_FIN AL_Update_to_RMS_20150505.pptx  Thanks to ERCOT for the following:  You can visit the Retail Market Training Taskforce page on the ERCOT websiteRetail Market Training Taskforce page  You can subscribe to the new e-mail distribution list (RMTTF@lists.ercot.com) that has been created to facilitate communications specific to the taskforce..RMTTF@lists.ercot.com Next RMTTF meeting is scheduled on May 20, 2015 at 9:30 AM – ERCOT Met Center Conference Room 168. May 13, 2015RMS Update to COPS5

6. Advanced Metering Working Group (AMWG) “ Joint RMS/WMS Workshop I: Improving 3 rd Party Access to Smart Meter Texas” has been scheduled for: ◦ Thursday, July 23 rd at 1:00 PM – 5:00 PM  ERCOT Met Center Conference Room 206A ◦ Friday, July 24 th at 9:00 AM – 3:00 PM  ERCOT Met Center Conference Room 206 SMT Updates: Change Requests totals to date, Monthly Reports and scheduled meeting dates, location and time: May 13, 2015RMS Update to COPS6

7. Smart Meter Texas Portal Change Requests: May 5 th RMS Voting Updates: ◦ Change Requests Implementation Cost Estimates (Vote)  http://www.ercot.com/content/wcm/key_documents_lists/54233/ 05.__AMWG_Change_Requests_RMS_050515.zip http://www.ercot.com/content/wcm/key_documents_lists/54233/ 05.__AMWG_Change_Requests_RMS_050515.zip  Change Request 2013-010  (RMS Approved proposed change on 06/19/2013)  05/05/15 RMS Discussion/Vote: Unanimously Approved  Change Requests 2015-021  (RMS Approved proposed change on 02/03/2015)  05/05/15 RMS Discussion/Vote: Unanimously Approved May 13, 2015RMS Update to COPS7

8. Smart Meter Texas Outage Update! Smart Meter Texas AMS Data File Catch-up Schedule:  DAY AFFECTED: Saturday March 21, 2015 until Monday April 27, 2015 (Backfill of Missing Data)  Effective April 27, 2015 All Backfill of Missing Data is complete Smart Meter Texas Planned Maintenance Outage:  DAY AFFECTED: Saturday May 9th, 2015 8:00 AM CST until Sunday May 10th, 2015 12:00 AM CST--- outage duration initially estimated.  Reasons and Update to Market Communications: Planned maintenance activities were conducted and completed at SMT to cut over to the new infrastructure platform database.  This maintenance required a 9-hour outage of SMT portal services listed below,  Website Access  HAN Services  ODR Service  API Services  Enrollment Service  Historical Backfill Service  All of the above named portal services were available and functioning normally when maintenance was completed on Saturday May 9 th, 2015 5:00 PM CST May 13, 2015RMS Update to COPS8

9. ERCOT IT Retail Incidents Updates! ERCOT’s Premature transitioning of MarkeTrak Issues (Issue auto-closed or state incorrectly re-assigned)  This occurred on February 4, February 11 and February 24, 2015  Investigation determined that a database parameter was getting changed by the MarkeTrak application.  No re-occurrence of the issue since 02/24/15  Vendor root cause investigation:  Unable to reproduce the issue under multiple scenarios  No other customers have reported this issue Red Flag / System Generated Notices for ERCOT’s Unplanned Outages: ◦ Ted Hailu (ERCOT) planned to bring additional information to RMS next month, they are working out red flag system generated emails functionality so the system will know what, when and how to communicate unplanned outages via email once red flag is triggered.. ◦ ERCOT is also proposing market notifications would be triggered during both business and non-business hours and these ERCOT notification changes would require updates to “Appendix A” of COPS Communication guide ◦ ERCOT planned to work with RMS/COPS/CSWG to make applicable revisions to COPS’ Market guide. May 13, 2015RMS Update to COPS9

10. ERCOT Browser Assessment! Browser Compatibility Assessment Update  David Forfia ( ERCOT) stated ERCOT will know more by the June 2 nd RMS meeting following the completion of additional Browser upgrade compatibility testing of:  MarkeTrak,  Congestion Revenue Rights (CRR) and  NMMS Model On Demand systems.  http://www.ercot.com/content/wcm/key_documents_lists/54233/06.__2015_05_ 01_RMS_Browser_Presentation___001.pptx http://www.ercot.com/content/wcm/key_documents_lists/54233/06.__2015_05_ 01_RMS_Browser_Presentation___001.pptx  ERCOT will also provide monthly updates to TDTWG and RMS. RMS requested as much information as possible as soon as possible so Market Participants’ may manage/budget IT resources, development and testing cost associated with this browser upgrade. May 13, 2015RMS Update to COPS10

11. Announcements! ◦ Friday, May 15, 2015:  9:30 a.m. - 4:00 p.m. at CenterPoint Energy, Room 1360  http://www.ercot.com/services/training/index.html http://www.ercot.com/services/training/index.html ◦ Friday, June 12, 2015:  9:30 a.m. - 4:00 p.m. at Oncor Dallas Office  http://www.ercot.com/services/training/index.html http://www.ercot.com/services/training/index.html ◦ Tuesday, July 7, 2015 RMS meeting has been cancelled due to July 4 th holiday weekend prior to RMS and potential RMS quorum concerns. May 13, 2015RMS Update to COPS11

12. Questions? 12May 13, 2015RMS Update to COPS