IGG Agenda 26 th June 2008

IGG Agenda – 26 th June 2008 • • • Minutes from last IGG meeting Review of Action Items CER Update Electricity Tax Gemserv Update Market Operations Update ESB Networks IT Update Market Hub Update MPCC Update Retail Market Design Service Update Market Design Update Next Steps IGG Industry Governance Group 1 10. 00 - 10. 10 - 10. 20 – 10. 50 – 11. 00 – 11. 10 – 11. 20 – 11. 30 – 11. 40 – 11. 50 – 12. 00 – 12. 10 – 12. 20 Secretariat: RMDS www. rmdservice. com

Minutes from IGG meeting – 15 th May 2008 IGG Industry Governance Group 2 Secretariat: RMDS www. rmdservice. com

IGG Action Items Closed IGG Actions • Updated IGG Action List issued in advance of meeting • Actions closed since last meeting: 27 IGG Actions carried forward: 36 Owner No. Suppliers 8 RMDS 19 MRSO 0 ESBN 1 CER 8 TOTAL IGG Industry Governance Group 3 36 Secretariat: RMDS www. rmdservice. com

CER Update IGG Industry Governance Group 4 Secretariat: RMDS www. rmdservice. com

Gemserv Update IGG Industry Governance Group 5 Secretariat: RMDS www. rmdservice. com

Market Operations Update IGG Industry Governance Group 6 Secretariat: RMDS www. rmdservice. com

ESB Networks IT Update • Paul Mallon, ESB Networks IGG Industry Governance Group 7 Secretariat: RMDS www. rmdservice. com

Market Hub Update • Cormac Madden, RMDS IGG Industry Governance Group 8 Secretariat: RMDS www. rmdservice. com

MPCC Update • Colm Gaffney, RMDS IGG Industry Governance Group 9 Secretariat: RMDS www. rmdservice. com

Purpose of MPCC Testing • The Market Participant Communications Component (MPCC) is a key part of messaging architecture. • The need has been identified to establish the volumetric limits of the MPCC client. Message Name 010 014 R 341 Size kb Registration Request 1 Customer Details Change Rejection 1 QH Meter Technical Details IGG Industry Governance Group 10 255 Secretariat: RMDS www. rmdservice. com

MPCC Architecture IGG Industry Governance Group 11 Secretariat: RMDS www. rmdservice. com

010 Market Messages IGG Industry Governance Group 12 Secretariat: RMDS www. rmdservice. com

014 R Market Message IGG Industry Governance Group 13 Secretariat: RMDS www. rmdservice. com

IGG Industry Governance Group 14 Secretariat: RMDS www. rmdservice. com

Conclusions Main Conclusions: • The MPCC is capable of handling large volumes of inbound and outbound market messages. • The larger the market message size the longer the MPCC took to process the message. • The MPCC could simultaneously process 1, 500 Inbound and 1, 500 Outbound smaller (approx 1 kb) market messages within 13 minutes. • Before initiating a batch run certain house keeping steps should be carried out to optimise the MPCC • The message size will determine the optimal batch size. • The MPCC is more then resilient to the volumetric stresses applied during these tests. IGG Industry Governance Group 15 Secretariat: RMDS www. rmdservice. com

Retail Electricity Market Issues Update • Cormac Madden, RMDS IGG Industry Governance Group 16 Secretariat: RMDS www. rmdservice. com

Market Issues Log • 1 Market Issue Closed – No. 153 • Customer special needs not populated on 105 message. IGG Industry Governance Group 17 Secretariat: RMDS www. rmdservice. com

Retail Market Design Service Update C. Madden, RMDS Retail Market Design Service 18 www. rmdservice. com

RMDS Update Agenda • ARIS v 6. 1 IGG Industry Governance Group 19 Secretariat: RMDS www. rmdservice. com

ARIS 6. 1 • ARIS 6. 1 – Published on the website • Criteria for Approval of the Release Integrity of the Model Integrity of the Changes Functionality of HTML Release • Changes to MPD 25 – ARIS model did not reflect actual Co. LE process (next slide) Next step: Overall review of each of the MPDs to validate actual market processes against the Market Design IGG Industry Governance Group 20 Secretariat: RMDS www. rmdservice. com

MPD 25 – Change of Legal Entity Update • The way in which the business process works has not changed. The change is diagrammatic only. • What has changed: – Detail on how the connection agreement is processed has been added – Detail on how a DUo. S group change is performed has been added. IGG Industry Governance Group 21 Secretariat: RMDS www. rmdservice. com

Discussion Requests & Market Change Requests Cormac Madden, RMDS Retail Market Design Service 22 www. rmdservice. com

Market Change Request MCR 0161 - Increasing the threshold for connection agreements in Co. S process • Circulated to the market • No Feedback • Approval Requested IGG Industry Governance Group 23 Secretariat: RMDS www. rmdservice. com

Market Change Request MCR 0162 – So. LR • MCR circulated to the market • No Feedback received • Approval requested IGG Industry Governance Group 24 Secretariat: RMDS www. rmdservice. com

So. LR Working Practice • The working practice will cover: – De-energisations – Re-energisations – Sites with outstanding service orders – Meter Works – New Connections – Disputed Reads – Re-estimations IGG Industry Governance Group 25 Secretariat: RMDS www. rmdservice. com

Market Change Request MCR 0163 – Increase in tolerance levels for NQH Meter Reading validation • MCR circulated to the market • No Feedback received • Approval requested IGG Industry Governance Group 26 Secretariat: RMDS www. rmdservice. com

Market 154 Clarification Request Fields in the colour cream are to be added and fields highlighted in red are to be removed. IGG Industry Governance Group 27 Secretariat: RMDS www. rmdservice. com

Discussion Request • DR 0155 – Including the meter Multiplier on the extranet • Circulated to the market • No Feedback • Approval to progress to MCR IGG Industry Governance Group 28 Secretariat: RMDS www. rmdservice. com

Discussion Request • DR 0156 – Recalculation of Consumption Estimates • Circulated to the market • Feedback Received • Approval to progress to MCR IGG Industry Governance Group 29 Secretariat: RMDS www. rmdservice. com

IGG Industry Governance Group 30 Secretariat: RMDS www. rmdservice. com

IGG Industry Governance Group 31 Secretariat: RMDS www. rmdservice. com

Release Planning - Outstanding MCRs MCR Number MCR Description MCR 0033 Sending 306 for all NQH De-energisations Completing Design MCR 0034 Sending 307 for all NQH Re-energisations Completing Design MCR 0060 New Message to contain customer details on conversion from NQH to QH 1. 1 MCR 0062 New rules for MPD 1 - Co. S MCR 0069 Irish language character set MCR 0078 Add Validation to use of Registered Company Number Reduce residual CA on Co. S issue MCR 0081 Suppliers Extranet shows Non billable devices where installed Completing Design MCR 0087 Exchanged Meter Ref amendment to provide only for like exchanges Better mkt function MCR 0126 Rejection of change of usage requests DG 5 to 1 or 2 where MIC is greater than 30 v 1. 0 Speed up response MCR 0127 Decouple Connection Agreement and Co. S where no COLE Automation MCR 0130 Extra validation check required at creation of 306 and 307 messages v 2. 0 Better mkt function MCR 0152 Vulnerable Customers - Phase 3 Better mkt function MCR 0154 Versioning of 341 message Better mkt function MCR 0157 Proposal to add Acceptance / Completion / Cancellation message to Meter Works Design Automation + better function IGG Industry Governance Group (Impose 20 day time limit on replacement of Co. S reads) For TUo. S New market rule Irish Language Act 32 Secretariat: RMDS www. rmdservice. com

Release Planning • It was agreed at the Conference Call (12 th June) that this is the complete list of outstanding and relevant MCRs available for prioritisation for the next schema release IGG Industry Governance Group 33 Secretariat: RMDS www. rmdservice. com

IGG Industry Governance Group 34 Secretariat: RMDS www. rmdservice. com

Next Steps • Proposed Diary dates for IGG meetings in 2008: – – – 07. 08. 2008 – propose to change to 14 th August 18. 09. 2008 30. 10. 2008 11. 12. 2008 22. 01. 2009 – Proposed dates are on Calendar of Events on RMDS website IGG Industry Governance Group 35 Secretariat: RMDS www. rmdservice. com

Next Steps • Propose to continue with conference call every two weeks: - 10. 07. 08 - 24. 07. 08 • Call details have new contingency PIN No: – Number: 01 -6647602 PIN : 77640 – Contingency number remains: 01 -6647777 New PIN: 80490 IGG Industry Governance Group 36 Secretariat: RMDS www. rmdservice. com

Thank You IGG Industry Governance Group 37 Secretariat: RMDS www. rmdservice. com