1. IGG Agenda – April 19th 2007
Minutes from last IGG meeting – 10.10
Review of Action Items – 10.20
CER Update – 10.30
Gemserv Update – 10.40
Market Operations Update – 11.00
Networks SEM Update – 11.40
Retail Market Design Service Update – 11.50
Market Design Update – 12.00
Discussion Requests & Market Change Requests
Next Steps 1

2. Minutes
Minutes from IGG meeting – March 8th 2007 2

3. Action Items Actions Addressed in Advance of Meeting
Update on Action Items
Actions to be covered during remainder of presentation
Actions to be carried forward
Other Action Items 3

4. Actions addressed in advance of meeting
Action Item 14
Reminder to be sent out to Suppliers for nominations for the Assurance Advisory Group
Action Item 15
Publish agreed ToR for AAG on RMDS website
Action Item 42
Circulate the agenda for Suppliers Forum (CER) 4

5. Update on Action Items
Action Item 7 – RMDS to investigate the procedural issue whereby a duplicate MPRN is generated when a quotation is ‘rolled back’
Working Practice 13 redrafted covering points made at the last IGG
ESB Networks currently reviewing the document
Will issue to Market Participants shortly 5

6. Update on Action Items
Action Item 9 – Review possibility of creating and providing dedicated MPRN data for use in all IPT tests
This approach was used in a recent Requalification IPT
Lessons learnt:
- IPT SAP client will always be out of sync with live
- Will suppliers live with different data for every IPT?
- Refresh of IPT SAP client will mean loss of generated test
data 6

7. Update on Action Items Action Item 13 – RMDS Draft Business Plan 2007
Issued to MPs on 5th January
Final version with CER for approval 7

8. Action Items to be covered later in the presentation
MCR 0127 Decoupling of the Connection Agreement from Change of Supplier
Action Item 12
Update DR Versioning of the 341 message
Action Item 16
ESB Networks to report to CER on erroneous de-registrations
Action Item 23
DR 0103 – Vulnerable Customers 8

9. Action Items to be carried forward
Action Item 1 – Update MCC Guidance document
Document in Final Review Stage 9

10. Action Items to be carried forward
Action Item 5 – MCR 0130 – Extra validation checks required at creation of 306, 307, 106 and 332 messages
MCR 0130 to issue shortly 10

11. Action Items to be carried forward
Action Item 8 – Investigate whether new 131 message could be issued for Special Read Request
DR 0117 has been updated and will issue shortly 11

12. Action Items to be carried forward
Action Item 10 – Prepare proposals on addresses in the Retail Market
Deferred until after SEM go-live at the request of the IGG 12

13. Action Items to be carried forward
Action Item 24 – DR New MPD 37 New Transmission Connected Sites
Follow-up in progress 13

14. Action Items to be carried forward
Action Item 38 – RMDS to investigate if there is a quicker route for raising basic changes
Agreed at March IGG to defer this item until June IGG meeting 14

15. Action Items to be carried forward
Action Item 39 – Get information on the volumes of readings – by DUoS Group - rejected because they are outside of the tolerance ranges
Information requested but not available yet 15

16. Action Items to be carried forward
Action Item 40 – Investigate, as part of DR 0128, whether advanced readings for de-energised sites could be outsorted
Item under investigation
Advanced Readings issue complicated by late CX111 processing 16

17. Action Items to be carried forward
Action Item 41 – RMDS to raise a DR to propose the initiation of the updates to the Market systems of a QH to QH meter replacement at the same time as the MV90 is updated
Under investigation 17

18. CER Update 18

19. Gemserv Update 19

20. Market Operations Update20

21. Market Operations Update
MRSO Update 21

22. Market Operations Update
Information Point
When acquiring a multi-site customer e.g. county council, could suppliers please check the MP Extranet for all of the relevant MPRNs to establish whether the sites are currently energised and confirm those that require energisation as the CoS process will automatically raise a re-energisation service order for de-energised sites on receipt of 010 22

23. Retail Electricity Market Issues Update
Cormac Madden, RMDS 23

24. Retail Electricity Market Issues Log
Log continuing to issue on a weekly basis
Summary Statistics (as per last release – )
Total Number of Issues Logged
Total ‘Closed’
Total ‘In Progress’
Total ‘Being Monitored’
Total ‘Logged’
Issues Resulting in DRRs
Total Raised Since Last Issue
Total Closed Since Last Issue 24

25. Retail Market Design Service Update
C. Madden, RMDS 25

26. Retail Market Design Service Update
RMDS have passed NSAI Audit and have been recommended for
ISO 9000:2001
Vulnerable Customer – Phase 1 – go live date 3rd May 2007
Information Point for Suppliers: - when a supplier is acquiring a multi-site customer, could they please check the MP Extranet for all of the MPRNs and establish whether the sites are energised and confirm those that require energisation as CoS process automatically raises a re-energisation service order 26

27. Discussion Requests & Market Change Requests
Oonagh Delaney, RMDS 27

28. New Market Change Request
MCR Vulnerable Customer Requirements
Circulated to the market on 12th April
Feedback by next Conference Call 28

29. New Market Change Request
MCR Decouple Connection Agreement
requirement from Change of Supplier where
MIC >= 100kVA and there is no Change of Legal
Entity
Following market approval this MCR is with CER for
approval 29

30. Market Change Requests
The following two MCRs went live as part of the Networks Special
Enhancements project on 11th April 2007
MCR Changes required to MPD 5 to cater for Management of QH
Eligibility
All new connections at LV (excluding embedded generators) will be set up as
NQH (currently LV new connections at 200KVA or higher are set up as QH).
MCR MPD 35 CHANGE OF METERING FROM NQH TO QH
This process covers the procedure for changes of metering from NQH to QH
requested by the registered supplier at a meter point or following regular
review of existing NQH sites by QHDC.
These Changes will be incorporated in Version 6.1 of the Market Design. 30

31. Discussion Request
MCR 144 – Data changes to accommodate new unmetered lamp types
Circulated to the market on 12th April
Feedback by next Conference Call 31

32. Discussion Request DR 123 - Versioning of the 341 message
Version 1.4 Circulated to the market on 12th April
Feedback by next Conference Call 32

33. Next Steps Proposed Diary dates for subsequent meetings 07.06.07
(proposed date change from 12th July) 33

34. Next Steps
Propose to continue with conference call every two weeks – proposed dates
Call details will remain the same:
Number: PIN :
Contingency number remains: PIN: 60236 34

35. Thank You 35