IGG Agenda 23rd February 2011 Minutes from Previous IGG Meeting 10:30 – 10:40 Review of Action Items 10:40 – 10:45 CER Update 10:45 – 10:55 Unmetered – Connection of Additional Load 10:55 – 11:10 OSS Project Update 11:10 – 11:40 Gemserv Update 11:40 – 11:50 MRSO Update 11:50 – 12:00 Retail Market Design Service Update 12:00 – 12:10 Market Design Update 12:10 – 12:25 AOB 12:25 – 12:35 Next Steps 12:35 – 12:45 1

Minutes from IGG meeting – 17th January 2011

IGG Action Items Updated IGG Action List issued in advance of meeting Actions closed since last IGG meeting: 5 IGG Actions carried forward:15 Owner 23rd Feb Suppliers 3 RMDS MRSO 1 ESBN Gemserv CER 4 Total 15 3

Action Item 680 MCR0062: Investigate scale of problem arising from the current open-ended arrangement by which replacement readings can be submitted by Networks in relation to COS transactions. MCR 0062 was raised on 09.03.2006 to request the introduction of a rule to MPD 1 NQH - Change Of Supplier Process whereby readings received outside a 20 day period after CoS completion would not trigger withdrawal and replacement of the COS read. Suppliers were asked to investigate the problem and provide feedback to RMDS for the Conference Call on 9th December. No comments have been received to date therefore if no feedback received by CC of 10th March we will propose closure of this action item. 4

Action Item 698 COS Objections: RMDS to co-ordinate setting up of a Code of Practice Working Group RMDS has investigated COS Objections Statistics and found a variance in how COS Objections are handled. It was agreed at the IGG of 17th January 2010 to form a Working Group to define a Code of Practice in this area. Can all Suppliers please nominate a representative for this working group, preferably at today’s meeting. Note: As a starting point for the Code of Practice Steve Watson has helpfully and proactively suggested using the UK equivalent: 5

CER Update 6

Proposals for connection of additional Unmetered (cctv) load to existing Unmetered connection points 7

OSS Update 8

Gemserv Update 9

MRSO Update 10

Retail Market Design Update RMDS Update Retail Market Design Update Conor Garrigan, RMDS 11

MCR1024 V2.2 – Global Aggregation Change Request CER request for Retail Market implementation of recent SEM Committee decision on Global Aggregation (Option E) MCR V2.1 Approved at HWG 26 October 2010 For implementation in the ROI June 2011 MDU Current update removes the now unnecessary requirement to change MM597 and unnecessary references to MM590 Intent of MCR remains unchanged At today’s HWG Meeting - for information (discussion/approval) At today’s IGG Meeting - for approval to implement Design change in June 2011 release. 12

DR1046 V1.0 – Revision of ROI Market Assurance Documentation Change Request Revision of the full Market Assurance Library for: Improved general usability and readability (esp. new entrants) Application of accumulated technical updates: Post Implementation Review Inactive entrant re-qualification Small Supplier Market Entry Requirements Self-Supplier Market Entry Requirements Data Transfer Testing Balance of IPT Test Scenarios Jurisdiction-specific change request At today’s IGG Meeting For approval to MCR and as MCR 13

New Code Change Request CCR 004 - Add new lamp types to ZDT_UM_FACTPARAM Table ESBN wish to add new lamp types to the ZDT_UM_FACTPARAM TABLE using: (a) Existing Unmetered Type Codes with new wattages introduced and (b) One new Unmetered Type Code. Approval for CCR 004 requested today 14

Notification of HUB Site Switch in June Date – 25th June 2011 Duration: One day No facility to queue Market Messages in the Hub on that day. Participants are therefore requested not to send in any messages on that date. 15

IGG Meeting AOB 16

Next Steps Proposed Diary dates for IGG meetings in 2011: 06.04.2011 18.05.2011 Proposed dates are on Calendar of Events on RMDS website 17

Next Steps Conference Calls: Thursday 10.03.2011 Thursday 28.04.2011 Proposed dates are on Calendar of Events on RMDS website Call details are as follows: Number: 01-6647602 PIN : 77640 Contingency number remains: 01-6647777 PIN: 80490 18

Thank You 19