UNC Modification Proposal 0362

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Presentation transcript:

UNC Modification Proposal 0362 Chris Warner Network Code Manager

Overview of Issue CSEP NExA (Annex A Part 5) requires iGTs to issues reconciliation volumes (in respect of CSEP Larger Supply Points) to the upstream Distribution Network CSEP NExA restricts the meter readings that can be utilised for reconciliation to “Valid Meter Readings” “Valid Meter Readings” (UNC TPD M3.1.4) do not include estimated (‘notional’) Opening Meter Readings provided by the DN (UNC TPD M3.8.5) Agreed Opening Meter Readings (UNC TPD M3.8.7) iGTs and Users have highlighted this as a key reason why there is a lack of reconciliation volumes submitted in respect of CSEP Larger Supply Points. risks associated with unreconciled energy and Transportation charges

UNC Terms for DN Connected Supply Points “Valid Meter Readings” (UNC TPD M3.1.4) do not include estimated (‘notional’) Opening Meter Readings provided by the DN (UNC TPD M3.8.5) Agreed Opening Meter Readings (UNC TPD M3.8.7) However estimated Opening Meter Readings can be used for Individual NDM Reconciliation (UNC TPD M3.8.5(a)); and Agreed Opening Meter Readings can be used for Individual NDM Reconciliation (UNC TPD M3.8.8(c))

Proposed Change to CSEP NExA Annex A Part 5 UNC Modification Proposal 0362 Proposes to extend scope of Meter Readings eligible to be utilised to generate reconciliation volumes. In addition to ‘Valid Meter Readings’: Estimated Opening Meter Readings; and Agreed Opening Meter Readings Would be consistent with UNC terms Proposal was considered by UNC Modification Panel on 17 February 2011 Subject to Self Governance provisions Referred to Distribution Workgroup

Benefits As at January 2011 3,995 live LSP LMNs 1,569 (39%) with some reconciliation activity 2,426 (61%) with no reconciliation activity 6,159 closed LSP LMNs 3,238 (53%) with some reconciliation activity 2,921 (47%) with no reconciliation activity How much additional energy / periods could be reconciled if estimated Opening Meter Readings and Agreed Opening Meter Readings could be used for reconciliation? UNC 0362 would be enhanced by quantification of this benefit As a guide, Xoserve is identifying volume of online reconciliation using the two read types