Glossary

P432 Half Hourly Settlement for CT Advanced Metering Systems

Formal title: Half Hourly Settlement for CT Advanced Metering Systems

This Modification proposes to align the BSC definition of an Advanced Meter with that in the Standard License Conditions (SLC) and to set explicit Half Hourly (HH) Settlement obligations for Current Transformer (CT) Advanced Meters ahead of the migration to Market-wide Half-Hourly Settlement (MHHS). 

Existing CT Advanced Meters settling Non-Half Hourly (NHH) are required to move using the Change of Measurement Class (CoMC) process to settle HH by MHHS Milestone M14 (in the MHHS Transition Timetable), currently March 2026 based on the latest MHHS re-plan documents).

If this Modification is not implemented there is a risk that there will be insufficient time for Customers, Suppliers and their Agents to address issues that may arise will be increased, especially against the backdrop of the larger MHHS migration activities that will be needed for Smart Meters.

 

Current Status

Submission
Assessment Procedure
Report Phase
With Authority
Awaiting Implementation
Implemented

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