V12.00.00 Retail Market Release (ROI & NI)

1. V12.00.00 Retail Market Release (ROI & NI) Detailed Co-Ordinated Cutover Plan – Walkthrough Thursday 4th April 2019

2. Agenda

3. Retail Market Release v12.00.00 (ROI & NI) Update Thursday4thApril 2019

4. Market Release V12.00.00 – Scope

5. Market Release v.12.00.00 (ROI & NI) - Plan 1st May 26th June 5th Dec 27th 16th Jan 16th 7th 7th 30th 4th 3rd 25th 29th 3rd 13th 6th Mar Publication of v.12.00.00 Schema Mon 28th Jan (ROI & NI) - Design/Build/Test Final RA Engagement IPT Prep IPT Exec Go Live Easter 2019 Go live Aug B/H v Other (ROI Only) Market Assurance Unicode Conversion SAP Hana Go Live Easter 2019 SAP IS-U Enhancement Pack (8.0) Go Live Easter 2019 Smart Enablement for Meter Installation Go Live Easter 2019 Market Engagement Apr 2019

6. Market Release V12.00.00 (ROI & NI) – Status • IPT • IPT Execution Completed – Friday 15th March 2019 • IPT Exit Reports issued to RAs – Friday 5th April 2019 • No concerns raised by Market Assurance bodies based on outcome of Market Assurance Engagement • Co-Ordinated Cutover • Co-Ordinated Detailed Cutover Plan published via ReMCoDS Friday 29th March • Schema Instruction Guides (Cutover and Rollback) shared by ATOS – Wednesday 3rd April 2019 • Cutover Workshop with Market Participants – Thursday 4th April 2019 • Cutover/Go-Live • Final RA engagement prior to Cutover – Monday 8th April (ROI & NI) • Cutover Commences Thursday 18th April (ROI) & Friday 19th April (NI)

7. Cutover Weekend - Overview • V12.00 Retail Market Release – Co-Ordinated Cutover (ROI &NI): • The Cutover weekend schedule will be managed through a detailed list of planned tasks that will progress through a number of key milestones along the way • Critical Cutover activities involving ESB Networks, NIE Networks, ATOS and all Market Participants are planned over the course of the weekend including: • Message Reconciliation activities pre Outage • Self Service EMMA Schema upgrades • MP Backend system updates • A co-ordinated and aligned Cutover approach is critical to ensure a successful outcome • All communication between ESB Networks, NIE Networks and Market Participants throughout Cutover Execution will be managed via ReMCoDS

8. When will it happen? • In Month Before (i.e. Up To Fri 12th Apr) 2. Week Before (i.e. Mon 15th Ap – Thu 18th Apr (ROI)/Fri 19th Apr (NI)) 3. Cutover Weekend (i.e. From Thu 18th Apr (ROI) and Fri 19th Apr(NI) Until Mon 23rd Apr) 4. Post Cutover • Cutover will be take place over four distinct stages:

9. Tasks – In Month Before Key Market Tasks RMDS website - v12.00.00 Detailed Cutover Plan on RMDS website • Additional Notes: • Market Participants (ROI & NI): • Market Participants to ensure any Business continuity mechanism is in place for Outage • MPs submit any queries on v12 Schema Self Service pack to ATOS by – Friday 12th April @ 17:00 • ReMCoDS • Each MP will be provided their respective SFTP login details to download their Self Service pack – Monday 8th April

10. Tasks – Week Before Key Market Tasks RMDS website - v12.00.00 Detailed Cutover Plan on RMDS website

11. Cutover Weekend – Plan on a Page ……. 8 AM 9 AM 10AM 12PM ……. ……. 6 PM 7 PM 8 PM 9 PM 10 PM 11PM …. …. System Isolation - RoI System Isolation - NI 2 4 1-5 Pre-Cutover Tasks 19 6 7 Central Hub Update Suppliers Apply V12 Schema 5 7 Point of No Return 9 8 6 Supplier STOP MM / RoI Supplier STOP MM / NI 11 NI SUPPLIER – 602 Reconciliations 3 13 10 RoI SUPPLIER – 602 Reconciliations Cutover Completed 12 8 1 Key Market Task - (KMT) Key Market Milestone – (MS) RMDS website - v12.00.00 Detailed Cutover Plan on RMDS website

12. Tasks – Cutover Weekend Key Market Tasks (Thursday 18th April) RMDS website - v12.00.00 Detailed Cutover Plan on RMDS website

13. Tasks – Cutover Weekend Key Market Tasks (Friday 19th April) RMDS website - v12.00.00 Detailed Cutover Plan on RMDS website

14. Tasks – Cutover Weekend Key Market Tasks (Saturday 20th April) RMDS website - v12.00.00 Detailed Cutover Plan on RMDS website

15. Tasks – Cutover Weekend Key Market Tasks (Sunday 21st April) RMDS website - v12.00.00 Detailed Cutover Plan on RMDS website • Additional Notes (Sunday) • ESBN and NIE Networks: After Milestone 7 has been achieved, activities are undertaken in the following sequence • ESBN and NIE Networks Business Validation Testing • ESBN and NIE Networks confirm the completion of cutover to ReMCoDs

16. V12.00.00 Retail Market Release (ROI & NI) Summary

17. Summary • The dates and timings of individual Key Market Task and Milestones are subject to change based on progress of Cutover • Flexibility is required from all market participants to ensure a successful cutover and resumption of normal market services as planned by Mon 21st Apr @ 23:59 • During cutover all Market Participants are required to update their EMMA via the agreed self service approach in order to be able to send and receive messages • Do not send market messages using Schema Version v11.00.00 after the following times: • Key Market Task 8 - Stop sending Market Messages (ROI) – Thu 18th Apr @18:00 • Key Market Task 9 - Stop sending Market Messages (NI) – Fri 19th Apr @18:00 • Market Participants are requested to be contactable until formal notification of successful Cutover Completion has been confirmed by ReMCoDS • ReMCoDs will inform Market Participants when they can start sending MM’s following achievement of Milestone 8 - Notification that cutover is complete. Resumption of normal services

18. Contingency Approach • Contingency approach for cutover will be to fix any issues encountered until a specified cut-off time whereby a decision will be made to roll back • In the unlikely event of a rollback being required: • ATOS will provide an instruction guide to MPs to roll back their EMMAs to Schema v11.00.00 • Market Participants will need to roll back their EMMA upgrade, and any associated changes made to their respective backend systems. • A rollback scenario can only be invoked up to: Milestone 7 - Network Operator Testing commences (POINT OF NO RETURN) Sun 21st Apr • The contingency approach after this milestone is a “Fix and go Forward” strategy • ESBN and NIE Networks will collaborate closely withReMCoDSthroughout the cutover period and should the need for a rollback scenario arise, this will be flagged as appropriate via ReMCoDS • ESBN & NIE Networks cutover approaches have been proven via IPT and multiple Dress Rehearsals in their internal testing • MPs EMMA upgrade to V12.00.00 Schema in Cutover mirrors that validated via IPT

19. V12.00.00 EMMA Self Service Upgrade Refresh & Lessons Learned from IPT

20. IPT – Schema Upgrade - Lessons Learned

21. Schema Upgrade Steps • Market participants need to follow the following steps as part of the upgrade - • Pre upgrade check • Download upgrade script from the SFTP site • Running the schema upgrade script as administrator • Upload the upgrade script output log to the SFTP site for Atos to review • Post upgrade check (TIBCO and Additional webforms codes) • Send 999 test message • Confirm that the version number of the 999 message is version 12.00.00 • Confirm that the 999 message sent successfully • Send an email to ATOS to confirm completion of all the EMMA upgrade tasks above (dl-uk-niebusinessappstibco@atos.net)

22. Self Service – Schema Update Guide • Walkthrough of Market Participant Self Service Schema Upgrade – Instruction Guide Note: In the unlikely event of a Schema rollback being required, a Schema Roll Back Guide will be provided by Atos.

23. Self Service – Schema Update Guide • Support will be provided by ATOS to Market Participants throughout the Schema Cutover window • Schema Cutover Approach used during Cutover mirrors that used in IPT • Lessons learned from IPT have been incorporated into the cutover plan and Instruction Guide • It is recommended that the same resources who executed the IPT Schema update on the Test EMMA do the same for Production EMMA at Cutover • Support will be provided, if required, by ATOS • Market Participants should not carry out any changes to any EMMA in relation to the v12.00.00 Retail Market Release in advance of formal instruction via ReMCoDS i.e. • Milestone 5- Notification that Central Hub upgrade is complete – Sat 20th Apr • MPs commence EMMA upgrade as per agreed schedule – Sat 20th Apr Note: Do not start this EMMA upgrade task until Milestone 5 has been confirmed by ReMCoDS • On completion of EMMA Upgrade MPs should e-mail ATOS to confirm 999 sent and Log uploaded

24. V12.00.00 Retail Market Release (ROI & NI) Hypercare Arrangements

25. Hyper Care - Overview • What is Hypercare? • Hypercare is the stabilisation period after cutover which focuses support for the v12.00.00 Retail Market Release (ROI & NI) implemented over Easter Weekend • Purpose of Hypercare is to ensure and support resumption of normal BAU market operations following cutover • When is it? • Hypercare begins immediately after cutover and runs for a period of up to 2 weeks

26. Hyper Care - Arrangements • Week 1 Post Go-Live – Tue 23rd to Fri 26th April • ReMCoDS will schedule two conference calls in the first week with Market Participants, to provide a general status update and discuss any items raised or queries that Market Participants may have: • Wed 24th April – Time TBC • Fri 26th April – Time TBC • Week 2 Post Go-Live – Mon 29th April to Fri 3rd May • TBC – based on checkpoint on Fri 26th April

27. V12.00.00 Retail Market Release (ROI & NI) Post Cut Over

28. Facilitate energy efficiencies in Local Authority Public Lighting Market Release v12.00.00 - Published on RMDS Website • The Schema Release v12.00.00 is due to be published on the RMDS website on Tuesday 23rd April 2019.  This release will implement the following Schema and Non Schema items.

29. Eircodes Batch Update Process

30. Eircodes – Batch Update Process • Approach • ESB Networks plan to process the set of 1.5 Million Eircodes • This approach has been validated by ESB Networks performance testing • Update Period Update Schedule will commence on Wed 1stMay and run for a period of 12 weeks • Schedule & Volumes • Weekdays - Monday to Friday • From: 8.00 p.m. Until : 9.00 p.m. • Estimated Volumes: ~ 15K MPRNs/Day • Weekends - Saturday to Sunday • From: 6.00 a.m. Until: 7.00 a.m. • Estimated Volumes: ~ 50K MPRNs/Day Refer to the v12.00.00 Market Release FAQ page on the RMDS website for further details. Link here

31. Cutover Weekend Contacts

32. Cutover Weekend Contacts

33. Questions?

34. Thank You

35. Appendix

36. ROI Market Release 2019 – Schema MCRs

37. ROI Market Release 2019 – Non-Schema MCRs