MID (Measurement Instruments Directive) is one of the current European directives for certifying meters.

In the UK, it was previously OFGEM Approval, and all the meters that fall under this certification appear on Schedule 4. 

See https://www.gov.uk/government/publications/schedule-4-uk-nationally-approved-electricity-meters

From 30th October 2016, all meters being used for billing purposes must be MID Approved.

Meters for monitoring purposes only, do not need to be approved.

This does not affect what is installed currently, but anything that is brand new and put in to use for billing after 30th October 2016 must be MID approved.

Of course we keep a full range of MID approved single phase, three phase, and prepayment meters, so you don’t need to worry!

For more information on MID approval, go to:


What is MID Approved?



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P & J Wales Meters Ltd.    |    Unit 1, Salisbury House, Salisbury Road, Newton Abbot Devon TQ12 2DF   |   VAT Reg No. 408 9005 59