Harmonisation Working Group HWG Meeting Wednesday, 19th September, 2012 CER Offices Dublin

HWG Agenda Introduction Aileen O Connor, RMDS 13:00 – 13:05 HSG Meeting Feedback Seán mac an Bhaird, CER 13:05 – 13:10 Enduring Solution Project Update Joan-Edel Smith, NIE 13:10 – 13:15 ROI HSP Update Conor Garrigan, ESBN 13:15 – 13:25 Market Design Update 13:25 – 13:50 HWG To-Do List Review 13:50 – 13:55 AOB & Closing 13:55 – 14:00 19th September 2012

Minutes from HWG meeting – 8th August 2012 Approval of Minutes Minutes from HWG meeting – 8th August 2012 19th September 2012

Feedback from HSG Seán mac an Bhaird, CER 19th September 2012

Feedback from HSG 31/08/12 19th September 2012 Topic Detail HWG relevant topics covered by the Harmonisation Steering Group 31st August 2012 Topic Detail Review of matters arising from HWG An update of the HWG Meeting was provided by AOC. There were no MCRs for approval by HSG. Review of HSG Actions The feedback on the Terms of Reference from Suppliers had been circulated to the HSG prior to the meeting and discussed. New Action for Regulators to compile a response to HWG on the feedback received and any further changes to be made to the document. New Action for Proposal of moving forums to a two monthly cycle to be brought to HWG and feedback sought. There was a discussion on the proposal on cost allocation. Update on Enduring Solution NIAUR noted that this item could be dropped from future HSG meetings. Nigel Wray provided the final update to HSG. They are currently in Post Go Live ‘Care and Maintenance’ phase. Data Quality is good and there are no major defects impacting the market. Global Aggregation is being implemented. Switching is going well. Project has been successful beyond expectations. 19th September 2012

Feedback from HSG 31/08/12 RoI Harmonisation Project CG gave an update to HSG. The physical cutover for NI to the combined solution has been moved from 8/9th September to 15/16th September which introduces a risk to the H&SP if this were to be delayed any further as it is the weekend before cutover. The project has now finished the formal Test Phase including system Integration and UAT. Gemserv has issued the formal Assurance Report to CER. IPT finished on 28th August and all Suppliers executed some level of testing and some additional tests executed over and above requirements giving a reasonable confidence for Go Live. Evidence for all Suppliers (excluding one MP) has been sent to Gemserv. Performance Testing Phase is taking place now in 3 phases: Testing RoI load which is a typical daily load approx. 80k messages onto the combined HUB. This has gone well with a good rate and is on par with existing timings. This will involve ramping up the messaging – increase to 150-200k to stress test the system and will take place early next week. Test a Base RoI load and NI load – true reflection of capability of HUB. This will be done over the next week as it needs to be done before NI Cutover. Formal Cutover Plans have now issued to both Markets which involved co-ordination between RoI, NIE and Northgate. The Project is on track but there is still a lot of technical work to complete and co-ordination between all parties. The NI Cutover dates of 15/16th are now critical. 19th September 2012

Enduring Solution Project Update Joan-Edel Smith 19th September 2012

ROI HSP Update Conor Garrigan 19th September 2012

Market Design Update – Workload Overview 19th September 2012

DR1106 V1.0 – Update to NIE Revenue Protection Process Discussion Request DR Classified as Harmonisation Impacting and deemed Approved at HWG on 12.12.2011 DR put on hold pending resolution by NIE of concerns raised by Suppliers At today’s Meeting Re-Classification as NI Specific 19th September 2012

DR 1124 V1.0 - Sending of MM116N only where Customer Name is Different on MM010 and MM016 Discussion Request MM 116N currently sent to New Supplier every time Old Supplier submits a MM016 for COLE, while a CoS is in progress. New Supplier only needs to take action if the customer names are different. New Supplier will investigate and probably cancel the CoS. If names are the same, no action is required by the New Supplier and CoS can proceed. At Today’s Meeting: Classification as Jurisdictional Specific requested. Change is required in both jurisdictions 19th September 2012

DR 1125 V1.0 - New Meter Point Status Reason Code on 017 Discussion Request Request for new Meter Point Status Reason Code to be added to the 017 market message, to flag de-energisation request due to vacant premises. Benefit for Suppliers & the Market to be able to uniquely identify when a disconnection is requested for reason of vacant premises. At Today’s Meeting: Classification as Harmonisation Impacting requested. Recommendation for Approval as DR and MCR 19th September 2012

DR 1128 V1.0 – Review Secure Meters System Charges Discussion Request Discuss/review Secure Meters monthly charges for Transaction & Maintenance fees associated with the Liberty Keypad Encryption System Discuss/review all associated NI transactional arrangements to establish the impact of direct invoicing of Secure Meters monthly charges to participating Suppliers. At Today’s Meeting: Classification as NI-Specific Requested 19th September 2012

DR 1130 V1.0 – Working Practice for De-Energisation of Essential Plant Discussion Request DR raised to present Working Practice 0022,which details the procedure for the De-Energisation of Essential Plant Sites. At Today’s Meeting: Classification as ROI-Specific Requested 19th September 2012

MCR 1097 V2.0 – New Order Status Code for Supplier timeout Market Change Request MCR presented at HWG meeting on 8th August 2012 and put on hold pending impact assessment At Today’s Meeting: Re-Classification as NI Specific Requested 19th September 2012

Recommendation for Approval of MCR 1122 MCR 1122 V2.0 – Introduction of Flag into the Market Design to identify Sites with Essential Plant Market Change Request DR 1122 v1.0 Classified and deemed Approved at HWG meeting on 8th August 2012 Definition of EP updated on MCR 1122 to address clarification requested by Supplier concerning Security Systems At Today’s Meeting: Recommendation for Approval of MCR 1122 19th September 2012

MCR 1126 V2.0 – Phone Number Categorisations Market Change Request DR Classified as Harmonisation Impacting and recommended for Approval at HWG meeting on 8th August 2012 At Today’s Meeting: Recommendation for Approval of MCR 1126 V2.0 19th September 2012

Open Items as at end of last meeting HWG Action Items No. Assigned to Description Date Raised Date Due 060 CER/NIAUR Confirm single Supplier-side TIBCO instance and single Market Hub for the Harmonised Market 12/12/2011 11/01/2012 085 NIE DR1106 - consider Supplier issues and re-present when ready - 091 HRDS MCR 1122 - Incorporate Definition of Essential Plant on MCR for NI 27/06/2012 08/08/2012 094 MCR 33 & 34 to have status amended to WITHDRAW following feedback from Energia (Action 89 refers) 19/09/2012 Open Items as at end of last meeting 19th September 2012

HWG Meeting AOB 19th September 2012

DR1114 – Sundry Post Harmonisation Changes This Request provides a single gathering point for a basket of small technical changes to the HBL and/or Harmonised Schema that arose during the course of the Harmonisation Projects Confirmation of 2 outstanding items awaited before approval can be sought as DR/MCR Proposal to include in Prioritisation exercise for Schema Release If subsequently not approved, can be excluded 19th September 2012

DR1114 – Sundry Post Harmonisation Changes 19th September 2012

Next Steps Next HWG meeting 31st October, 2012 (Belfast) Dates for all meetings for 2012 are on the Calendar on the RMDS website 19th September 2012

HWG Meeting Thank You 19th September 2012