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Implementation of UNC Modification 451AV UK Link Committee - May 2014

This overview discusses the differences in prepayment profiles, reconciliation charges, and meter point reconciliation under Modification 451AV. It covers the process for Pre-Payment meters and Smart meters in pre-payment mode, including file formats and record types for reconciliation invoicing.

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Implementation of UNC Modification 451AV UK Link Committee - May 2014

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  1. COR3316: Implementation of UNC Modification 0451AVUK Link Committee – May 2014

  2. COR3316 Overview • [Modification 451AV has argued] that the Prepayment Profile [is different] from the standard domestic credit meter (EUC01) customer. • [the illustrative profile developed during the Development Workgroup suggested that] during the winter period there is an over allocation of gas usage and during the summer period an under allocation of gas usage. • Xoserve is developing a solution to calculate a monthly reconciliation charge [which will invoice the difference between the EUC01 and the alternative profile]. • Modification 451AV will end at UK Link Programme implementation when individual meter point reconciliation will start.

  3. COR3316 Overview • The meter points that will be subject to the reconciliation will be: • Pre-Payment meters • Users need take no action these will be subject to reconciliation based upon an extract from UK Link • Smart meters operating in Pre-Payment mode • Users need to provide an extract of their Smart Metering portfolio operating in Pre-Payment Mode. UK Link must also hold these as Smart Meters. • UK Link Committee has approved the input format for this file

  4. Reconciliation Invoicing • The Prepayment Meters Supporting Information will be issued via the I’X against the .ADB invoice type issued via the .ADH invoice. • The Supporting information will be issued in a new file format for prepayment meters .PPM. • The new .PPM format will have 5 new record types: • P22 • P23 • P24 • P25 • P26 • The Prepayment Meters will utilise existing charge types: • ZRE • GRE • NRE

  5. User Pays Charges • The Supporting information for User Pays will be sent via the IX against the existing .ADW invoice type issued via the Adhoc (.ADH) invoice. • The supporting information file sent will utilise an existing file .USP, but will require a new record type R21. • There will be 2 new charge types created for .USP supporting information they are: • W19 - PPM ADJ ONGOING CHARGE CR • W20 - PPM ADJ ONGOING CHARGE DR

  6. Implementation • Implementation Date has yet to be defined • File formats are provided to UK Link Committee in advance of establishing the Implementation Date to provide as much notice as possible • UK Link Committee are asked to note: • This might not allow 6 months notice • UK Link Committee are reminded of the December 2011 presentation regarding notice periods • This is likely to be implemented outside of a UK Link Release • UNC Modification 486 – Prepayment Profile for iGT Sites – Economies of scale assumed. This may impact delivery timescales.

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