1. Harmonisation Working Group
HWG Meeting
Wednesday, 23rd February, 2011
CER Offices
Dublin

2. Harmonisation Working Group
HWG Agenda
Introduction, Minutes and Agenda
13.00 – 13:05
HSG Meeting Feedback
13.05 – 13.10
ES Project Update
13.10 – 13.15
Market Design Work Update
13.15 – 13.35
Long-Term Consumption Adjustments Update
13.35 – 13:50
HWG To-Do List Review
13:50 – 13:55
AOB & Closing
13: :00
23 Feb, 2011
Harmonisation Working Group

3. Harmonisation Working Group
Feedback from HSG, 1 Feb 2011
23 Feb, 2011
Harmonisation Working Group

4. Harmonisation Working Group
ES Project Update
23 Feb, 2011
Harmonisation Working Group

5. MCR1042 V3.0 – Removal of non-visit keypad meter configuration changes
Change Request
Suppliers would no longer be able to request a non-visit keypad meter configuration in NIE
Would improve the accuracy of site configuration and subsequent billing data
Current update means that Meter Works Type K01 (Change Keypad Meter Configuration - No Site Visit Required) will be developed but disabled at go live, pending an operational review by UR, including:
Estimated Savings that will be accrued by remotely reconfiguring keypad meters;
The additional issues and risks that will be encountered by remote reconfiguration to the quality of market data; and
The change in the customer experience.
At today’s Meeting
Approval
23 Feb, 2011
Harmonisation Working Group

6. Harmonisation Working Group
DR1045 V1.0 – Removal of non-visit keypad meter configuration changes - NI Interim Solution
Change Request
Essentially the same as MCR1042 but:
Applies only to the Interim Solution
No commitment in the DR to an operational review
Jurisdiction-specific change request
At today’s Meeting
Agreement to Transfer to SIG
23 Feb, 2011
Harmonisation Working Group

7. MCR1024 V2.2 – Global Aggregation
Change Request
CER request for Retail Market implementation of recent SEM Committee decision on Global Aggregation (Option E)
MCR V2.1 Approved at HWG 26 October 2010
For implementation in the ROI June 2011 MDU
Current update removes the now unnecessary requirement to change MM597 and unnecessary references to MM590
Intent of MCR remains unchanged
At today’s Meeting
Approval
23 Feb, 2011
Harmonisation Working Group

8. DR1046 V1.0 – Revision of ROI Market Assurance Documentation
Change Request
Revision of the full Market Assurance Library for:
Improved general usability and readability (esp. new entrants)
Application of accumulated technical updates:
Post Implementation Review
Inactive entrant re-qualification
Small Supplier Market Entry Requirements
Self-Supplier Market Entry Requirements
Data Transfer Testing
Balance of IPT Test Scenarios
Jurisdiction-specific change request
At today’s Meeting
Agreement to Transfer to IGG
23 Feb, 2011
Harmonisation Working Group

9. Harmonisation Baseline (HBL) Update
Approach to updating HBL to V2
Refresh of HBL V1
Merging of Data Codes (schema and non-schema coded value sets) with Value List Compare
Removal of all comparative, data definition-related and working info from Value List Compare to produce a cleansed Data Codes file
Removal of all value codes-related information from Data Definitions file and alignment with cleansed Data Codes file
Production of HBL V2
Phase 1: application of all approved Harmonisation-impacting MCRs to core HBL elements (Definitions, Codes, Messages)
Phase 2: derivation of all jurisdiction-specific Message Guides and ROI impact document (NI Change Note will not be further maintained)
Phase 3: publication of new HBL V2
Outlook
Core HBL V2 elements will be available by end March along with ROI-specific elements (Message Guides and Impact document)
NI-specific elements will be available later in line with the ESP schedule commitments
23 Feb, 2011
Harmonisation Working Group

10. Long Term Consumption Adjustments
ESB Networks & NIE T&D.
23 Feb, 2011
Harmonisation Working Group

11. Harmonisation Working Group
Agenda
Issues
Mod 66_08
Outside Settlement Determination
Long-term Consumption Adjustments - Options
Other factors in dealing with LTCA
Next Steps
23 Feb, 2011
Harmonisation Working Group

12. Harmonisation Working Group
Issues
Mod 66_08 approved – need to agree a process in the Retail Market
Increased activity in the Market – all Suppliers impacted:
In ROI Suppliers may not receive full Energy or TUoS adjustments
In NI Suppliers may not receive full Energy, PSO or SSS adjustments
Customer Complaints if overcharges are not reimbursed by Suppliers
Problems more complex as market opening progresses
Need to review and revise the process for handling Consumption Adjustments to ensure a consistent approach for their treatment and documentation across business processes e.g.
How far back to correct data & charges
Implications for COS/CoLE
Possible revision of DSO rules and documentation
Different solution may be required post Global Aggregation
Opportunity to provide an harmonised arrangement in both retail markets.
23 Feb, 2011
Harmonisation Working Group

13. Harmonisation Working Group
Mod 66_08
Background
Long Term Consumption Adjustments relate to errors in consumption data that would not ordinarily be rectified through Meter Data Provider (MDP) aggregation processes. These errors could arise through:
Illegal abstraction
Meter faults
Actual readings replacing estimates post 13 months.
It is proposed that errors are handled according to the following criteria:
Where the errors are identified within the 13 month Re-settlement period any portion of these errors falling within a period which has yet to have it’s final scheduled Re-settlement should be processed through the normal SEM Re-settlement processes
Where the errors are identified outside the 13 month Re-settlement period these will always be processed through an Outside Settlement Determination process
Where an Outside Settlement Determination is used, it is proposed that this is coordinated in the “Retail Market”.
23 Feb, 2011
Harmonisation Working Group

14. What is an Outside Settlement Determination?
A calculation performed outside of the Settlement Systems and Processes that is designed to achieve approximately the same cash flows as a settlement run based on correct data.
Would involve those Parties whose Meter Data was affected by the error, plus representation from the Error Supplier Unit if appropriate, representation from the Meter data Provider, the Use of System provider, Revenue Supplier Units and Customers if appropriate.
23 Feb, 2011
Harmonisation Working Group

15. Options for Addressing Long Term Consumption Adjustments
Option 3 is considered in the following slides
23 Feb, 2011
Harmonisation Working Group

16. Harmonisation Working Group
OSD – Key Principles
DSOs provide data only to Market Participants
Adjustments >13 Months:
DSOs to use spreadsheet applications to record kWh adjustments and forward OSD data to all participants and error account holder to enable parties to make bilateral financial settlements.
Adjustments of DUoS resettled by DSOs directly with each relevant supplier.
Error Supplier Unit issues Debits / Credits directly to Suppliers in respect of Energy / Capacity
TSOs issue Debit / Credit for TUoS directly to Suppliers
Suppliers will settle with customers for the period that they served the customer
Note:
All Revenue Adjustments which cannot be rectified by reading replacements to be recorded as kwh adjustments and processed as above
Revenue Vs Reading Adjustments
Revenue Adjustments - Unable to Replace / Withdraw readings in SAP
Faulty Metering Equipment (meters, timeswitch, CTs, VT’s)
Interference to Metering Equipment or Network where meters are bypassed
Undocumented Connections where readings not available or MPRN created from current date.
Unit Adjustments – Readings can be Replaced/Withdrawn in SAP
Actual Meter Readings received after prolonged estimation
Incorrect Number of Digits applied to meter readings
Crossed Metering
Incorrect Multipliers applied to consumptions
Retrospective Adjustments to unmetered inventories
Undocumented Connections where readings available and MPRN created pre connection date
Adjusted Profile Data
Exclusions
MIC / Availability Changes
23 Feb, 2011
Harmonisation Working Group

17. Data Flows ESU TSO Supplier Customer MRSO (RoI) MRSO (RoI) CMS (NI)
DUoS Billing
ESU = NIE ES in NI or ESB CS in RoI
23 Feb, 2011
Harmonisation Working Group

18. Revenue Vs Unit Adjustments
Revenue Adjustments - Unable to Replace / Withdraw readings in
SAP/CCMB
Faulty Metering Equipment (meters, timeswitch, CTs, VT’s)
Interference to Metering Equipment or Network where meters are bypassed
Undocumented Connections where readings not available or MPRN created from current date.
Unit Adjustments – Readings can be Replaced/Withdrawn in SAP/ CCMB
Actual Meter Readings received after prolonged estimation
Incorrect Number of Digits applied to meter readings
Crossed Metering
Incorrect Multipliers applied to consumptions
Retrospective Adjustments to unmetered inventories
Undocumented Connections where readings available and MPRN created pre connection date
Adjusted Profile Data
Exclusions
MIC / Availability Changes
23 Feb, 2011
Harmonisation Working Group

19. Other Issues for Agreement / Decision
How far back to correct data – proposal:
Beginning of Problem / Incident or
Limiting date for SAP ISU / CC&B - 1st Jan ’06 in ROI or Aug ’06 in NI or
6 Years (limitation of liability – Contract Law Act)
Should data be corrected irrespective of COS or CoLE
Supplier issues regarding debit/credit de-registered customers
Should there be a materiality threshold
Mechanism for Suppliers to make bilateral settlements
Frequency of Processing information for OSD
Market must establish historic monthly price matrix for Energy & TUoS (in ROI)
Progression to Global Aggregation Market
DSO cost recovery for provision of OSD service.
23 Feb, 2011
Harmonisation Working Group

20. Harmonisation Working Group
Next Steps
Feedback from Participants to HWG
Establish Industry Working Group to make recommendations on implementing an Outside Settlement Determination for both jurisdictions.
23 Feb, 2011
Harmonisation Working Group

21. Draft Terms of Reference Joint Working Group
Review Options
How Suppliers deal with Deregistered Customers
Develop Price Matrices - Energy, Capacity, Imperfections, MO, TUoS (in ROI) & PSO & SSS (in NI).
Disputes Committee
Materiality Threshold
Develop a Working Practice and Code of Practice
Impact Assessment of any system changes
How to Progress to Post Global Aggregation Phase
23 Feb, 2011
Harmonisation Working Group

22. HWG Action Items update since last meeting
23 Feb, 2011
Harmonisation Working Group

23. Harmonisation Working Group
Next Steps
Next HWG meeting
6 April, 2011 (Belfast)
Dates for all meetings for 2011 are on the Calendar on the RMDS website
23 Feb, 2011
Harmonisation Working Group

24. Harmonisation Working Group
HWG Meeting
AOB
23 Feb, 2011
Harmonisation Working Group

25. Harmonisation Working Group
HWG Meeting
Thank You
23 Feb, 2011
Harmonisation Working Group