1 TDTWG Scope and Goals 2015 Wednesday January 8, 2014

Objective TDTWG will continue to work with Market Participants, their agents, ERCOT, the PUCT as well as other interested parties in an effort to facilitate development of data delivery processes for the Texas Market, and monitor performance measures as directed by RMS.

Scope Texas Data Transport Working Group (TDTWG) is responsible for: –Maintenance of a guide which describes the data transport process used by Market Participants and ERCOT; –Maintenance of the Retail Market IT Services SLA (Service Level Agreement); –Monitoring ERCOT’s adherence to performance targets specified in the Retail SLA; –Monitoring market performance metrics reported by ERCOT to the PUCT; –Maintenance of metric templates and facilitate compliance of the PUCT substantive rule 25.88; and –Addressing issues as directed by the RMS. 3

4 Goals/Expected Work for 2015 ERCOT System Outages and Communications –TDTWG works actively with Transport specification governing bodies like NAESB to enhance standard(s) for efficient running of the ERCOT Retail Market –TDTWG will continue to support ERCOT resolution efforts in addressing each outage and/or degradation of service experienced and provide findings to RMS

5 Goals/Expected Work for 2015 Review Retail Market Services SLA –TDTWG will review the Retail Market Services SLA annually or as needed, work with ERCOT to evaluate any potential changes Monitor Market Metrics reported by ERCOT to PUCT –TDTWG will review ERCOT reported Market Metrics and provide a forum for Market Participants’ questions and/or issues regarding these quarterly performance statistics

6 Goals/Expected Work for 2015 Technical Connectivity –Continue to work with ERCOT and Market Participants in order to resolve connectivity issues as they are experienced or brought forth to TDTWG –Interact with ERCOT as necessary to help insure market impacts for NAESB outages are minimal

7 Goals/Expected Work for 2015 North American Energy Standards Board NAESB is an open forum for volunteers to document standards for deregulated processes including the Electronic Delivery Mechanism (EDM) communication protocol(s). TDTWG representatives will continue to participate in NAESB meetings, as needed, in an effort to ensure Texas retail market requirements are included in all future version releases of the EDM.

8 Goals/Expected Work for 2015 Support Retail Market Projects as needed TDTWG has knowledgeable technical resources available to provide the Market with recommendations to move projects forward. We will continue to participate in these efforts and take on work as assigned by the RMS

9 Goals/Expected Work for 2015 Support all phases of SCR, Retail Data Transport Upgrade to NAESB EDM v3.0 –SCR Approvals (RMS,PRS,TAC,Board) –Project Planning –Project Execution –Market Testing –Market Education & Communication

10 Goals/Expected Work for 2015 Support all phases of SCR, ERCOT Test Environment –SCR Approvals (RMS,PRS,TAC,Board) –Project Planning –Project Execution –Market Testing –Market Education & Communication