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Retail Market Assurance Services for the Irish Electricity Market. Anna Anderson Loughlin IGG February 23 rd 2011 anna.anderson@gemserv.com. Agenda. Assurance Activity Update June 2011 Market Design Release Assurance Approach and Participant Questionnaire MCR Review and IPT
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Retail Market Assurance Services for the Irish Electricity Market Anna Anderson Loughlin IGG February 23rd 2011 anna.anderson@gemserv.com
Agenda • Assurance Activity Update • June 2011 Market Design Release • Assurance Approach and Participant Questionnaire • MCR Review and IPT • Important Assurance Dates
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
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)
JUNE 2011 Market Design Release
MCR Review • June 2011 Market Design Release • Five MCRs to be delivered • MCR0178 • MCR0179 • MCR0180 • MCR1024 • MCR1040
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
MCR 0178 • IPT • One Supplier x 1 IPT • Supplier to Volunteer withNP 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”
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
MCR 0179 • IPT • All Supplier x 1 IPT • Supplier to download files according to business requirements • Gemserv • Assurance will cover • Data validation, data integrity and connection testing on behalf of the market
MCR 0180 • Sending of Additional Messages to EirGrid – TSO • 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
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
MCR 1024 • Change in Settlement Class • 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
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
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
MCR 1040 • IPT • All Suppliers x 1 IPT • 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