BSC Changes impacting a HH Data Aggregators
This page shows which Modifications and Change Proposals have been identified as impacting a Half Hourly Data Aggregator. 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.
P407 ‘Project MARI’
P379 ‘Multiple Suppliers through Meter Splitting’
CP1537 ‘Extending the Timescales for agreeing Technical Assurance of Performance Assurance Parties (TAPAP) Findings Reports’
P423 ‘Market-wide Half Hourly Settlement (MHHS) Implementation and Governance Arrangements’
CP1544 ‘BSCCo Approved EFR Representative sign-off required for any EFR plan following escalation’
P375 ‘Settlement of Secondary BM Units using metering behind the site Boundary Point’
P375 will allow Metering Equipment situated ‘behind’ the defined Boundary Point to be used for Settlement purposes in place of the Boundary Point Meter. Primarily, this will allow balancing-related services on-site from smaller assets to be separated from current imbalance-related activities, more accurately reflecting the balancing-energy volumes provided by the Balancing Service Provider (BSP).
CP1562 ‘Amendments to the approved IDD changes for P375’
CP1562 seeks to update the New Electricity Trading Arrangement (NETA) Interface Definition Documents(IDD) Part 1 and 2 that were approved under P375, to provide clarity to the relevant Parties that make use of the document.
P436 ‘Consequential BSC changes for Switching SCR (REC 3.0)’
Ofgem’s Switching Significant Code Review (SCR) will introduce the new Central Switching Service (CSS) and version 3.0 of the Retail Energy Code (REC 3.0). P436 progresses the consequential BSC changes needed to align with REC 3.0.
CP1560 ‘Demand Control Event Process Clarifications’
This CP seeks to clarify the processes that take place after a Demand Control Event by amending the relevant Code Subsidiary Documents to ensure clarity and consistency.
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 to complete before the Market Wide Half Hourly Settlement (MHHS) migration to the Target Operating Model (Milestone 11 (M11) in the MHHS Timetable). At the time of writing, this would need to complete by October 2024. It will also require all new UMS connections to be settled Half Hourly (HH) from 12 months prior to M11, currently October 2023.