‘More than seven million households have been given flawed smart energy meters that fail if you switch suppliers, the Mail can reveal.
Customers have been urged to sign up for smart meters on the basis that they will be able to see in pounds and pence how much power they’re using.
But these meters – which automatically send suppliers meter readings – currently only work with the customer’s existing provider.
If customers want a cheaper deal by switching supplier, the meters stop working and customers have to go back to submitting readings.
The Mail understands that energy suppliers are preparing to launch a major upgrade to correct the fault later this year. However, last night experts warned it could cause billing chaos for millions.
Mark Todd, director of Energyhelpline, branded the smart meter roll out ‘a complete shambles’. He said: ‘There is still a huge question mark over how firms will update these meters.’