1. Modifications iGT 039 and GT 0440 re iGT Agency Services background

2. Extent of iGT Agency Services
The iGT Agency Services role has been developed at the iGT 039 and Project Nexus workgroups
Xoserve is mid-way through a pre-modification consultation exercise to assess the business case for iGT Agency Services
The scope of iGT Agency Services is in the BRD developed at the Project Nexus Workgroup and in the pre-modification consultation document issued by Xoserve in early December
The scope is summarised in the next few slides

3. iGT Agency Services principle requirements
There is a single service provider regardless of GT type for the “common” services in each of the iGT and GT UNCs
There is a single interface type and file formats for these “common” services regardless of GT type
There is no future divergence in the provision of these “common” services

4. iGT Agency Services “common” services……
The scope of the common services includes:
Customer lifecycle activities
Shipper accessions etc to iGT UNC
CSEP creation
Supply Meter Point Register
MPRN lifecycle
Asset register
Read submission and history
Supply point data

5. …….. iGT Agency Services “common” services continued
Supply Point events
AQ processes
Confirmation
Change of Supplier processes
Invoicing services on behalf of iGTs (optional)
Note:
GT invoicing, invoicing principles and energy allocation to the CSEP remain unchanged

6. iGT Agency Services data cleanse, migration and cutover – example process
period
New arrangements
Initial population of migration database
Migration and data preparation period (say 12 months)
iGT
Daily updates to migration database
Shipper
Updates of data from shippers – population of “new” data items
Update of smart meter details
DCC
Uses within
Xoserve
e.g. LMN AQ
Once database is robust, may be useable for early benefits
Data updates back to iGTs as reqd

7. Project Nexus timeline
The Project Nexus timeline is presented through the Project Nexus Workgroup. Latest version is
Nexus functionality is targeted for 2015 implementation.
It is anticipated UNC (iGT and GT) modification(s) will be required to facilitate implementation.
There will be a cutover from “old” to “new” rules and as this occurs there may be a need for transition arrangements.