ESB Networks Market Release Meeting of the IGG, March 5th 2009

ESB Networks Market Release : Agenda 1. Introduction & Outline Proposals 2. Content of Market Release A and Market Release B - Proposals 3. Indicative Timelines and Key Milestones 4. Next Steps 5. TAG Implications

ESB Networks Market Release : 1. Introduction & Outline Proposals ESB Networks Market Release Management: Delivery of agreed changes, in Packages of work Today , propose to plan for Market Releases along agreed timelines with Planning for each release up to 12 months in advance This presentation outlines proposals for Market Releases in A November 2009 B May 2010 C and indicative timeframe of October 2009 to start planning for a release in November 2010

ESB Networks Market Release : 3 ESB Networks Market Release : 3. Indicative Timelines and Key Milestones Apr May June July Aug Sept Oct Nov Dec09 Jan10 Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec10 Jan2011 Mar Mar 2009 – Planning starts for A November 2009 and B May 2010 release End Nov 2009 - Go Live A B End May 2010 - Go Live Oct 2009 – Planning starts for November 2010 release C End Nov 2010 - Go Live

ESB Networks Market Release : 1 ESB Networks Market Release : 1. Introduction & Outline Proposals …continued. Networks SAP ISU Upgrade is due to go-live in Mid-April the delivery of this , and support for the upgrade in the period immediately afterward is priority work up to June. RMDS have worked with yourselves to shortlist 11 MCRs for delivery An initial assessment of the effort involved has been carried out , and while it is subject to more detailed work following the upgrade implementation, we are today signalling indicative proposals for a November 2009 Market Release. And it is also proposed to have a further release in May 2010 We would like to agree proposals with the IGG for a November 2009 Market Release A and a May 2010 Release B , and following on from that to proceed to plan in greater detail. We are asking Retail Market Participants for your comments , by March 19th, and in particular if you could let us know if you have any independent issues with the timings presented.

ESB Networks Market Release : Agenda 1. Introduction & Outline Proposals 2. Content of Market Release A and Market Release B - Proposals 3. Indicative Timelines and Key Milestones 4. Next Steps 5. TAG Implications

MCR0170 New MP Extranet Web Service ESB Networks Market Release : 2. Content of Market Release A - Proposals …continued. As previously stated, RMDS have worked with yourselves to shortlist 11 MCRs Based on the initial assessment of the shortlisted MCRs, we propose that there would be a November 2009 Market Release and that the proposed content of Release A : November 2009 would include the following 6 MCRs MCR0170 New MP Extranet Web Service MCR0154 Versioning of 341 message and new 342 MM for QH Export * MCR0168 331 MM sent when QH Meter removed MCR0169 Addition of Vunerable customer flag to 102 MM - Part 1 * MCR0165 Recalculation of Consumption estimates v3.0 * MCR0167 Delivery of 106d message to EirGrid * Requires schema changes

MCR0161 Increase the threshold for connection agreement in COS ESB Networks Market Release : 2. Content of Market Release B - Proposals …continued. The proposed content of Release B : May 2010 would include the remaining 5 MCRs MCR0162 SOLR process * MCR0161 Increase the threshold for connection agreement in COS MCR0164 Include Meter Multiplier on Extranet MCR0171 # Proposal to add Acceptance/Completion/Cancellation * message to Meter Works design (new 131 MM) MCR0152 # Vunerable Customers Phase 3 * * Requires schema changes Notes 1. For MCR0162 it may be possible to include aspects in the Nov 2009 release 2. # provisionally included are MCR0171 and MCR0152 which require further work to progress For each of these 3 MCRs we will revert back to yourselves by mid-June

ESB Networks Market Release : 2 ESB Networks Market Release : 2. Content of Release A & B - Proposals …continued. We are asking for your comments on the content that is proposed, by March 19th

ESB Networks Market Release : Agenda 1. Introduction & Outline Proposals 2. Content of Market Release A and Market Release B - Proposals 3. Indicative Timelines and Key Milestones 4. Next Steps 5. TAG Implications

ESB Networks Market Release : 3 ESB Networks Market Release : 3. Indicative Timelines and Key Milestones Apr May June July Aug Sept Oct Nov Dec09 Jan10 Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec10 Jan2011 Mar Mar 2009 – Planning starts for A November 2009 and B May 2010 release End Nov 2009 - Go Live A B End May 2010 - Go Live Oct 2009 – Planning starts for November 2010 release C End Nov 2010 - Go Live

ESB Networks Market Release : 3 ESB Networks Market Release : 3. Indicative Timelines and Key Milestones Release A – November 2009 Release A Apr09 May June July Aug Sept Oct Nov Dec09 Mid April - SAP ISU Upgrade Storm Period post Upgrade Market Release Changes - Design, Development, Test End Aug – end of Design, Development, Test End Aug - XML Schema Release ESBN Regression Test Market Assurance/ IPT End Nov - Go Live ESB Networks will have ongoing interactions with the IGG throughout the period

ESB Networks Market Release : 3 ESB Networks Market Release : 3. Indicative Timelines and Key Milestones Release B – May 2010 B Apr09 May June July Aug Sept Oct Nov Dec09 Jan10 Feb Mar Apr May Jun2010 Market Release Changes - Design, Development, Test End Feb – end of Design, Development and Test End Feb - XML Schema Release ESBN Regression Test Market Assurance/ IPT End May 2010 - Go Live ESB Networks will have ongoing interactions with the IGG throughout the period

ESB Networks Market Release : Agenda 1. Introduction & Outline Proposals 2. Content of Market Release A and Market Release B - Proposals 3. Indicative Timelines and Key Milestones 4. Next Steps 5. TAG Implications

ESB Networks Market Release : 4. Next Steps We are looking for responses from Market Participants to items raised today by Thursday 19th March Comments to rmds@esb.ie Feedback on the comments will be circulated to all Retail MPs by Thurs 2nd April and by Mid-June we will be looking to come to an agreement on the content and scheduling of Market Release MCRs finally, recommend that you do not proceed to Build until this agreement is reached

ESB Networks Market Release : Agenda 1. Introduction & Outline Proposals 2. Content of Market Release A and Market Release B - Proposals 3. Indicative Timelines and Key Milestones 4. Next Steps 5. TAG Implications

ESB Networks Market Release : 5. TAG Implications Rory Bland ICT Group ESB

ESB Networks Market Release : 5. TAG Implications All changes will be to the existing MPCC and messaging infrastructure For every release, a formal release of the XML schema will be planned for delivery 3 months prior to go-live.

ESB Networks Market Release : 5. TAG Implications……………………continued Scope of Changes to XML Schema Release A : 3 MCRs require changes to the schema 1 new Market Message viz MM 342 3 existing messages are being changed viz 341, add vulnerable customer flag to 102, add new field to 300 Release B : 3 MCRs require changes to the schema 1 new Market Message (131) # 8 existing messages are being changed # viz Outbound: 010, 013, 016, 017 Inbound: 114, 116, 101, 105 1 extra data value in existing field viz new Read Arrangement code * Notes * The extra data value may be included in Release A viz new Read Arrangement code # Provisionally included are MCR0171 and MCR0152 which require further work to progress, as previously stated

ESB Networks Market Release : Thank You