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XRN 4923
AQ Calculation for RGMA (ONUPD) Estimate Reads

Last Updated
05 May 2020
Release Type
Implementation Date
Proposer Xoserve Impacted DSC service area

Service Area 6 (Previous Dec 18 – Mar 21)

Annual quantity, DM supply point capacity and offtake rate reviews

Customer Change Team Leader


This change will  Amend UKL to utilise estimated readings generated from RGMA ONUPD transactions for AQ calculations

When an RGMA ONUPD is submitted with no read record (DATASET_GROUP_READG), UK Link will generate an estimated read.   This estimated read is then used in the Reconciliation process, but is not currently used to trigger the AQ calculation.  There has always been the expectation from Shippers that if we use any Read for Reconciliation then the same read should also be used for AQ calculation.  The calculation of the revised AQ may change, as the optimum period utilised to determine consumption will alter base on the meter reading date which triggered the AQ calculation. As estimated transfer reading and class change readings trigger the AQ calculation, including the RGMA processes will bring consistency to all processes. Note defect 471

This change needs to be aligned to be in place for the formula year annual quantity snap shot taken on 1st December 2019 therefore the change needs to be implemented to ensure that the AQ and SOQs have been calculated ready for the next Formula Year snapshot which is taken on 1st December 2019.

Impacted Customer Types

  • Shipper
  • DCC


Document title Last updated Type
XRN4923 05/May/2020 PDF


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