 Advanced Metering Working Group (AMWG) Update to RMS 1 August 5, 2014

  Remains on target for a 4 th quarter release  UAT In Progress  Third-Party Volunteer Testers Technical Integration Sessions and Testing is ramping up  Third-Party Market Integration / Instruction Webinars being scheduled for September and November. Details to be sent out via RMS and AMWG List Servs 2 3 rd Party Access

3 Status of AMWG Change Requests  17 Total AMWG Change Requests  3 AMWG Change Requests in Delivery for Q with Third Party  AMWG CR , AMWG CR , and AMWG CR  The SMT Usability Study Conducted in 2013 Identified Enhancements Approved for Implementation to SMT  These 3 AMWG Change Requests are Covered by the Approved Enhancements from the Usability Study and Were Already Targeted to be Delivered with Third Party  2 AMWG Change Requests Targeted for Delivery Q2/Q  AMWG CR Q and AMWG CR DELIVERED  These 2 AMWG Change Requests were Already Covered by Efforts in Progress by SMT to Relieve Market Requests Causing Significant Challenges to SMT Help Desk Ticket Volume, SMT Maintenance Backlog, and Infrastructure Resource Utilization

4 Status of AMWG Change Requests  5 AMWG Change Requests DELIVERED in Q  AMWG CR , AMWG CR , AMWG CR , AMWG CR , and AMWG CR  These 5 AMWG Change Requests are Covered by Reports Already Existing in Place Internally to the SMT Joint TDSPs.  These Required Minimal Effort to Repurpose to the Market and are Zero Dollar Estimates  Minor Contract Revisions were Required with SMT Vendor to Publish These Existing Reports Externally to the Market.  7 AMWG Change Requests in Process for SMT Joint TDSP Estimation Process Step  AMWG CR , AMWG CR , AMWG CR , AMWG CR , AMWG CR , AMWG CR , and AMWG CR  These 7 AMWG Change Requests are all New Requirements requiring New Development and will be in Process of Estimation with the SMT Joint TDSPs as Resources are Available in 2014

  Training completed in the July AMWG meeting  Market Notice was sent to RMS List Serve on July 9 th and July 21 st to notify the market of the training Approximately 65 market participants attended  Training documents will be posted to the AMWG main page on the ERCOT website at /amwg/ /amwg/ 5 Change Request 16 & 17 SMT ROR Historical Backfill Functionality and Subscription for New Customer Enrollment History Functionality

  Report Types  02 - Data Timeliness Measurements  05 - Number of SMT Help Desk Tickets Monthly by Ticket Type  06 - Availability of SMT API  07 - Availability of SMT FTPS  09 - Number of Accounts by Type  Delivery Mechanism  Reports to be distributed along with the AMWG meeting materials via the to the AMWG list serve and posted to the AMWG main page on the ERCOT website at wg/ wg/ 6 SMT Reports for CR’s 02, 05, 06, 07 09

3 rd Party Registration & Account Management 7 AMWG Change Request AMWG CR Document Status Estimated Delivery Date Estimated Cost AMWG CR – Report for AMWG Data Monitoring – Data Completeness Measurements JDOA Estimation 2015In Process AMWG CR – Reports for AMWG Data Monitoring – Data Timeliness Measurements CompleteQ Included in Maintenance Contract AMWG CR – Reports for AMWG Data Monitoring – Measurement of Percentage of Actual Meter Reads JDOA Estimation 2015In Process AMWG CR – Reports for AMWG Data Monitoring – Measurement of Estimates JDOA Estimation 2015In Process AMWG CR – Reports for AMWG Data Monitoring – Number of SMT Help Desk Tickets Monthly by Ticket Type CompleteQ Included in Maintenance Contract AMWG CR – Reports for AMWG Data Monitoring – Availability of SMT API CompleteQ Included in Maintenance Contract AMWG CR – Reports for AMWG Data Monitoring – Availability of SMT FTPS CompleteQ Included in Maintenance Contract AMWG CR – Reports for AMWG Data Monitoring – Average Time to Deliver HAN Messages JDOA Estimation 2015In Process AMWG CR – Reports for AMWG Data Monitoring – Number of Accounts by Type CompleteQ Included in Maintenance Contract AMWG CR – Reports for AMWG Data Monitoring – Number of Reports Requested by GUI (Portal) and Number of FTPS Accesses JDOA Estimation 2015In Process AMWG / RMS Change Requests

3 rd Party Registration & Account Management 8 AMWG Change Request AMWG CR DocumentStatus Estimated Delivery Date Estimated Cost AMWG CR – Average Time from HAN Provision Request to Meter Ready Status JDOA Estimation 2015In Process AMWG CR – Bypass redundant screen for Users with only one meter when accessing HAN device information In Development Q Included in Third-Party AMWG CR – Timeout on SMT takes user to “incorrect login” screen In Development Q Included in Third-Party AMWG CR – Allow SMT user to toggle between 15-Minute Reads and Daily Reads without having to reset the date range In Development Q Included in Third-Party AMWG CR – Expand Daily Usage Graph to show 35 days of daily usage on the SMT GUI JDOA Estimation 2015In Process AMWG CR – Capability for RORs to grant access to vendors on their behalf to the ROR’s customers via API (energy usage, HAN messaging, and HAN provisioning) and FTPS files In Development Q Included in Maintenance Contract AMWG CR – REP API for Energy Usage on SMT (Backfill of Historical Usage Data for Existing Customers- “Interim”) See Below CR Permanent CompleteQ4 2013Completed AMWG CR – REP API for Energy Usage on SMT (Subscription for New Customer Historical Usage – “Interim”) See Below CR Permanent CompleteQ Included in Maintenance Contract AMWG CR – REP API for Energy Usage on SMT – Permanent Solution to Replace Interim Solution JDOA Estimation 2015In Process AMWG / RMS Change Requests (Cont.)

  Distributed Generation Change Request  Excess production is available via downloading usage reports from SMT  Goal is to have the data viewable on the SMT portal  Future AMWG Meetings  August 26: 1:30 p.m. – 4:30 p.m. via WebEx  September 23: 1:30 p.m. – 4:30 p.m. via WebEx  October 22: 9:00 a.m. – noon via WebEx  Nov & Dec = October meeting 9 Additional Items

 Thank You 10