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Not-so-smart meter: Devices ‘go dumb’ when switching energy firms

Money saver: A hand-held smart meter PICTURE: PA

SIX in ten of energy customers with a smart meter found the devices stopped working when they switched supplier, a study finds.

More than 13.5million smart meters have been installed with the vast majority the first-generation SMETS1, says Which?

These can go ‘dumb’ when a customer switches, meaning they stop sending readings, or the display showing usage stops working properly.

Sarah Threadgould of Which? said: ‘Our advice is for energy customers with a first-generation meter is not to be discouraged from switching, as they could still save money.’

A third of people with smart meters said it helped reduce their consumption — but a fifth said it had increased.

Robert Cheesewright, of rollout campaign Smart Energy GB, said: ‘We are well on the way to solving these issues.’