Smart Metering Portfolio DCC Day 1 UK Link Committee DCC Day 1 Shipper File Format Representation Thursday 08th August 2013

Agenda Journey So Far High Level Plan – Delivery, User Trials & Implementation Governance Shipper Design to meet UNC Modification 0430 Requirements Shipper Hierarchy Structures and File Formats Overview Data Enquiry Service – Overview of Screen Design’s Next Steps

Journey So Far – Part 1 BPRG – A cross representation of industry participants –Developed process models, definition of service lines for DCC & legacy changes document (Jan 12) Smart Working Issues Group – Reviewed Gas requirements part of the Consequential changes document (Sep 12) UNC Modification 0430 and UNC iGT MOD047 – Modifications developed and approved for the changes to support Foundation and DCC Day 1 Smart Foundation – Effective Switching changes live with Smart Switching due from 01/10/13 Project Smart Metering Portfolio Focus Group – Set up with a ToR and cross representation from Shippers, iGT’s, DN’s and DECC to verify requirements to enable these to be documented and approved

Journey So Far – Part 2 DCC Day 1 Business Requirements Approval – Xoserve on behalf of the GT’s and working with the Focus group documented and gained sign off for the DCC Day 1 Business Requirements. These are now baselined and under formal change control. DCC Day 1 Recommended Solution Option – From the signed off Business Requirements, a recommended solution option has been agreed to proceed into design. DCC Day 1 DCA – A Detailed Cost Assessment was produced by Xoserve on behalf of the GT’s to support UNC Modification 0430 DCC Day 1 Detailed Shipper Design – Mapping back to the baselined Business Requirements and solution design, Xoserve have commenced with the Shipper Design to provide the industry with the File Formats & Hierarchies that trace back to the signed off Business Requirements

High Level Plan and Milestones Q3 2013 Q3 2013 UK Link file formats issued to UK Link Committee (09/08/13) UK Link file formats representations close out (23/08/13) UK Link file formats re-issued (30/08/13) UK Link Committee meeting (12/09/13) Industry Testing & Trialling preparation activities (approach & scope) (Feb ’14) Industry Testing & Trialling (April ’14) Smart Metering DCC Day 1 Implementation (June ‘14)

Governance All DCC Day 1 Business Requirements are under formal change control Any proposed changes to UK Link File Format by the UK Link Committee will need to be verified by the Project Smart Metering Portfolio Focus Group UNC Modification 0430 has been approved by Ofgem, all requirements are therefore stated in the Modification Xoserve will propose changes to SPAA for DCC Day 1 requirements to support changes to GT Systems

File Format and Hierarchy Overview

Data Enquiry Service – Screen Prototypes Shipper Community View Note: - Screenshot for illustrative purpose only

Data Enquiry Service – Screen Prototypes 9 Data Enquiry Service – Screen Prototypes Shipper Portfolio View Note: - Screenshot for illustrative purpose only

Next Steps Project Smart Metering Portfolio Focus Group Review and Approve UK Link File Format changes at UK Link Committee Xoserve to propose changes to SPAA for DCC Day 1 Xoserve to plan a review of the detailed plan with external Stakeholders Agree scope of User Trails and the Approach with Shippers Detailed planning of User Trails phase