BSC Changes impacting Unmetered Supplies Operators
This page shows which Modifications and Change Proposals have been identified as impacting Unmetered Supplies Operators. Please note that the assessment of where impacts may affect certain roles within the electricity market may be amended during the course of the Change process.
CP1552 ‘Reflecting BSCP501 timeframes in BSCP520 processes’
CP1552 seeks to provide clarity to market participants about the timeframes for various processes in BSCP520 ‘Unmetered Supplies Registered in SMRS’.
CP1561 ‘Updating SVA DC Volume 1 and 2 for CP1546’
CP1561 looks to update the Supplier Volume Allocation (SVA) Catalogue Volume 1 and 2 to include the approved data flows and data items from CP1546.
CP1546 ‘Introducing DTC flows to transfer UMS Summary Inventories and Control files’
P434 ‘Half Hourly Settlement for UMS Metering Systems’
This Modification will require a period of mandatory Change of Measurement Class (CoMC) activity for all Non-Half Hourly (NHH) Unmetered Supplies (UMS) Metering Systems running from October 2023 to October 2024. It will also require all new UMS connections to be settled Half Hourly (HH) from October 2023.