| Mod Proposal raised by Brookfield Utilities | 09th January 2015 |
| Mod Proposal considered by Panel | 21st January 2015 |
The Modification Panel determined that the Modification would proceed to development by Workgroup.
| Workgroup #1 | 6th February 2015 |
| Workgroup #2 (via teleconference) | 23rd February 2015 |
| Workgroup #3 (via teleconference) | 17th March 2015 |
| Workgroup #4 (as part of MWS) | 7th April 2015 |
| Workgroup Report Published | 8th April 2015 |
| Workgroup Report to Panel | 15th April 2015 |
The Modification Panel determined that the Modification would proceed to consultation as a Draft Modification Report.
| DMR Published | 16th April 2015 |
| Consultation Response Deadline | 8th May 2015 |
| FMR Published | 18th May 2015 |
| Varied Modification Published | 3rd June 2015 |
| FMR / Varied Mod to Panel | 17th June 2015 |
The Panel on 17th June unanimously recommended implementation of IGT072
| FMR sent to Ofgem | 19th June 2015 |
| Authority Decision Received | 24th July 2015 |
| Implementation Date | 1st October 2015 |
On 24th July, Ofgem notified its decision that IGT072 should be implemented. The Panel had agreed that the Mod would be implemented in the first release after Authority Decision, i.e. 1st October 2015.
On 18th August, in a response to a request from the IGT UNC, Ofgem determined that implementation of IGT072 would be DEFERRED due to the amended date for implementation of Project Nexus, and the consequential need for a review of the Modification.
| Document Title | Description | Type | Pub Date | Author |
| IGT072 | Deferral Letter | Adobe PDF | 19/08/2015 | |
| IGT072 | Authority Decision | Adobe PDF | 27/07/2015 | |
| IGT072 | Final Modification Report – Post-Panel | Adobe PDF | 19/06/2015 | |
| IGT072V | Varied Modification Proposal | Adobe PDF | 03/06/2015 | |
| E.ON | DMR Response | Adobe PDF | 13/05/2015 | |
| EDF | DMR Response | Adobe PDF | 13/05/2015 | |
| British Gas | DMR Response | Adobe PDF | 13/05/2015 | |
| BUUK | DMR Response | Adobe PDF | 13/05/2015 | |
| npower | DMR Response | Adobe PDF | 13/05/2015 | |
| SSE Supply | DMR Response | Adobe PDF | 13/05/2015 | |
| IGT072 | Draft Modification Report | Adobe PDF | 16/04/2015 | |
| IGT072 | Workgroup Report | Adobe PDF | 08/04/2015 | |
| IGT072 | Meeting #3 Minutes | Adobe PDF | 08/04/2015 | |
| IGT072 | IGT072 Workgroup Supporting Report | Adobe PDF | 17/03/2015 | |
| IGT072 | Meeting #3 Agenda | Adobe PDF | 10/03/2015 | |
| IGT072 | Meeting #2 Minutes | Adobe PDF | 03/03/2015 | |
| IGT072 | Workgroup #1 Minutes | Adobe PDF | 19/02/2015 | |
| IGT072 | Workgroup #2 Agenda | Adobe PDF | 17/02/2015 | |
| IGT072 | Updated Timeline | Excel Spreadsheet (Office 97-2003) | 13/02/2015 | |
| IGT072 | Clarification Questions and Responses | Word Document (Office 97-2003) | 13/02/2015 | |
| IGT072 | Draft Terms of Reference | Adobe PDF | 29/01/2015 | |
| IGT072 | Workgroup #1 Agenda | Adobe PDF | 29/01/2015 | |
| IGT072 | Modification Proposal | Adobe PDF | 09/01/2015 |