Which? warns of electricity meters with 'wrong time'

Electricity meter clocks showing the wrong time are going unnoticed, meaning up to 3.9 million households on reliant tariffs could be paying too much, consumer group Which? has reported.

Which? says some electricity meter clocks are 'showing wrong time'.

The watchdog said several members had come forward to warn that their meter clocks had been showing the wrong time, potentially leaving them "significantly out of pocket".

Time-of-use tariffs such as Economy 7 and Economy 10 offer customers a lower rate for electricity during some hours and a higher rate for others.Some 3.9 million UK households are on these types of tariff.