This page shows which Modifications and Change Proposals have been identified as impacting a Licensed Distribution Systems Operator. 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.
P472 Amendment to provisions for Parties to bring claims against BSC Agents in BSC Section E
P477 Data Protection Provisions for Market-wide Half Hourly Settlement
The purpose of this Modification is to address the need for personal information sharing in the Balancing and Settlement Code (BSC), once the Market-wide Half Hourly Settlement (MHHS) arrangements are operational.
P441 Creation of Complex Site Classes
This Modification looks to progress a recommendation of the Issue 88 Workgroup to introduce Complex Site classes.
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 2025. It will also require all new UMS connections to be settled Half Hourly (HH) from 12 months prior to M11, currently October 2024 (post CR055 decision).
P478 Implementation of MHHS Arrangements
This Modification proposes changes to the BSC to enable the Market-Wide Half-Hourly Settlement (MHHS) arrangements.