1. Retail Market Assurance Services for the Irish Electricity Market
Anna Anderson Loughlin
IGG February 23rd 2011

2. Agenda Assurance Activity Update June 2011 Market Design Release
Assurance Approach and Participant Questionnaire
MCR Review and IPT
Important Assurance Dates

3. Assurance Activity Update

4. Assurance Activity Update
Gaelforce
undertaking preparation for Market Entry as a small supplier
PrePayPower
undertaking preparation for Market Entry re- qualification as a large supplier
June 2011 Market Design Release
MDR Assurance Approach and PQ for IGG approval
IPT for GaelForce & PPP is 28th March

5. Assurance Activity Update
Assurance Product Set Review (Ongoing)
Assurance Strategy and Process Updates
Participant Questionnaire and IPT Documents
Format and Content review
DR submitted for IGG consideration (DR1046)

6. JUNE 2011
Market Design Release

7. MCR Review June 2011 Market Design Release Five MCRs to be delivered

8. MCR 0178 Treatment of Supplier Unit excess of Generation over Demand
MCR proposes to allow positive values for “Measured Quantity Field” on 590 MM and 596 MM i.e. the true value of the excess is to be left unchanged
The routine that changes the “Measured Quantity Field” value to zero when there is excess generation will be removed
NPED (Non Pricing Effecting Demand)

9. MCR 0178 IPT One Supplier x 1 IPT ESBN - ½ Day Site Visit
Supplier to Volunteer with NP Generator Data
ESBN - ½ Day Site Visit
Assurance will cover
Changes to the existing “routine” to prevent the automatic resetting of the “Measured Quantity Field” to zero
Changes to accommodate the new “positive” for the Measured Quantity Field”
Non Participant Generator Data

10. MCR 0179 Downloadable Meter Point Details File
Supplier to access regularly refreshed downloadable format of the Meter Point registration database
The files data content is specified in the MCR’s appendix
The downloadable file will be delivered via ESB Networks “Managed File Transfer Service”
5 files (*.csv) to be made available on a monthly ( first week of each calendar month) basis
The data will be for the preceding calendar month
Field contents by Meter Point Type - (Appendix 1)
5 separate files which are categorised as follows:
Clarification 1
Domestic MRPN Details
Domestic Meter Details
Commercial MPRN Details
Commercial Meter Details
Unmetered MPRN Details.
Clarification 2
The files will be produced on a monthly basis.
The download will be run from the central market system on the first weekend of each calendar month.
The data captured in the download will be that for the preceding calendar month.

11. MCR 0179 IPT All Supplier x 1 IPT Gemserv
Supplier to download files according to business requirements
Gemserv
Assurance will cover
Data validation, data integrity and connection testing on behalf of the market

12. MCR 0180 Sending of Additional Messages to EirGrid – TSO IPT
EirGrid/TSO requires a copy of 342 MM (Export QH Meter Daily Readings) from Central Market Systems
Message data is for the billing of TUoS for Distribution -connected Generation
Change to be implemented by Central Market Systems
Includes the addition of a trigger or automation to have 342 MM sent to EirGrid
IPT
EIRGRID only x 1 IPT
Message is already available for
NPEG (Non Price Effecting Distribution Connected Generation)
but not for PEG (Price Effecting Distribution Connected Generation)
IPT - New connection registration (test 101, 101P message to see no X in settlement class field)

13. MCR 1024 Global Aggregation
Aggregation Solution as part of Market Deregulation
MRSO will provide daily NQH factors to SEMO for each Supplier as part of each data aggregation run
The factor value on the 590 MM to be used
The factor value will also be added on the 596MM
Additional field (NIEP) to be added on the 590 and 596 MM in order to carry the NQH factor value
NPEG – non price effecting distributed connection generation
NPED – non price effecting demand

14. MCR 1024 Change in Settlement Class IPT All Supplier x 1 IPT
Change the code that specifies how data is to be processed and aggregated for settlement
Change in the use of an existing codified field on registration message 101, 101P, 102, 102P and 105 MM
IPT
All Supplier x 1 IPT
Aggregation run will test the NIEP field on 596 MM
NIEP - Non Interval Energy Proportion

15. MCR 1024 ESB CS x 2 IPTs New Connection Registration
New Connection Registration (101, 101P), test for absence of “X” in the settlement class field
Change of Supplier (Gain)
Registration (102, 102P, 105), test for correct population of the settlement class field

16. MCR 1040 New value for Unmetered Total Usage Factor on 591 MM
Introduce additional occurrence of the “AdditionalAgregationData” segment to the 591 aggregated message
The fields “timeofuse” & “totalusagefactor” appear in the segment
A new “timeofuse” field (UMN) to be added to the segment
NB. In the test system all sites will have UNM present on the 591 message. Only MPs with unmetered sites will have a value populated against the UNM “timeofuse” field. All other sites will have zero value
In the test system all sites will have UNM present on the 591 message. Only MPs with unmetered sites will have a value populated against the UNM timeofuse field. All other sites will have zero value

17. MCR 1040 IPT All Suppliers x 1 IPT ESBN - ½ Day Site Visit
Aggregation Run
ESBN - ½ Day Site Visit
Assurance will cover
Changes to add additional occurrence of the “AdditionalAgregationData” segment to the 591 MM.
Changes to the existing “timeofuse” field

18. Summary MCR Reference No. of IPT Participant IPT Test Focus MCR0178 1
Volunteer supplier
Data Aggregation (596 will be populated with a positive value)
MCR0179
All
suppliers
Downloadable file via ESB Networks “Managed File Transfer Service
MCR0180
EirGrid
QH export interval data (342 to be generated and sent to Eirgrid)
MCR1024
All Suppliers
Aggregation run will test the NIEP field on 596 MM 2
ESB CS
Registration (102, 102P, 105 MM)
New Connection Registration (101, 101P MM)
MCR1040
All suppliers
Data Aggregation (UNM populated in the new repeated "timeofuse" field on 591 MM)

19. Key Dates Key Dates Schema release: 9th February 2011
Activity
Comments
28/02/2011
RMDS to distribute PQ to MPs
28/03/2011
MPs to return Participant Questionnaire
Sent to Gemserv, Copy RMDS
02/05/2011
Final Participant Questionnaire
Return Date
09/05/2011
IPT Commences
20/05/2011
IPT Ends
05/06/2011
Go - Live
Key Dates
Schema release: 9th February 2011
IPT window commences: 9th May 2011
Go-live: 5th June 2011

20. Questions & Discussion