MP152 Consumption on Smart Polyphase Electricity Meters
Proposer
Chris Brown
Lead Analyst
SEC Change
Date raised
29/01/2021
Stage
Withdrawn
Implementation date
TBC
Latest update
On 23 November 2022 the Proposer withdrew this modification as they could not commit to effectively engage in the modification process. The Proposer also did not wish to pursue the modification as there was little support within industry.
What is the issue?
Polyphase meters are electrical meters used for measuring three phase electricity supply. Polyphase meters are sometimes used in scenarios where each phase is used for a specific purpose e.g. for heating and/or Electric Vehicle charging. Currently smart polyphase meters only provide profile consumption data as a combined value across the three phases. Therefore, the tariffs offered to those consumers who have polyphase metering equipment is applied to the cumulative consumption of all three phases combined, rather than individual phase data. Although, some electricity meters support the measurement of each phase, the Smart Energy Code (SEC) and DCC systems do not currently support functionality that would allow the individual phase data to be retrieved.
What is the solution?
The Proposed Solution is to amend the Great Britain Companion Specification (GBCS) and Smart Metering Equipment Technical Specifications (SMETS) to allow individual phase data to be retrieved where available.
This is the February 2024 SEC Modifications Working Group meeting, where we will be discussing: MP247 'Future Dating of Service Requests for SMETS1 Devices' MP263 'Improving transparency of DCC indicative
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