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Around 200 electricity meters are submitted for determination each year and the National Measurement and Regulation Office (NMRO) publish the results of these tests on a regular basis. NMRO does not use this data for any formal purposes other than to initiate action with meter manufacturers and owners when meter examiners identify systematic faults with certain meter types.
The information within these reports is not intended to represent the overall accuracy of electricity meters in Great Britain and the following points should be considered:
the meters tested were initiated by the consumer or the supplier in circumstances where it was suspected that the meter is measuring erroneously – the sample is not representative of the whole meter population
only a relatively small sample of meters are tested annually and this needs to be considered against the overall population of electricity meters in Great Britain that is in excess of 27 million
It is important that these factors are considered in context with the information provided.
If you wish to speak to a member of staff please contact:
Electricity metering team
Utilities Business Team National Measurement and Regulation Office
Stanton Avenue Teddington Middlesex TW110JZ