The meter in David's home in Surrey failed to automatically send regular readings since it was first installed.
Lydia Joseph fears her grandfather living alone since he was widowed in 2016- is owed as much as £7,000.
Supplier EDF maintained "all historic overpayments" had been addressed, after David was refunded £700.
Retired horticulturist David - whose surname is not being published to protect him from scammers - first noticed something was amiss when his monthly direct debit was "suddenly hiked up massively" from £70 to £260.
This story is from the {{IssueName}} edition of {{MagazineName}}.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
Already a subscriber ? Sign In
This story is from the {{IssueName}} edition of {{MagazineName}}.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
Already a subscriber? Sign In
Emily's expecting even more in '25
ENGLAND'S record points scorer Emily Scarratt is convinced 2025 is going to break new ground for women's rugby in this country.
LUKE: TRASH TALK IS JUST RUBBISH
WORLD CHAMPION Luke Humphries planted his standard at the summit of Alexandra Palace and sent out a warning to Peter 'Snakebite' Wright: \"Your trash talk won't work on me.\"
'Insecure' Elvis feared for future as Beatlemania was always on his mind
ELVIS Presley was all shook up and feared his music career would end when Beatlemania hit America 60 years ago.
Time to roll back the ‘harmful' nanny state
BRITAIN needs to roll back the nanny state and give its citizens more freedom to manage their own health and finances, an independent think tank has suggested.
Rapid nationalisation for failing train firms
BOSSES of failing train operators have been warned they could be fast-tracked for nationalisation.
Life after cancer: 'I am lucky to be here, but now I'm ready to move on'
DESPITE all of her career success Sarah Beeny reveals she is hugely proud that her four sons have formed a successful indie rock band.
growers AI to help cut global waste
RED SPIDER mites can devastate vegetable plants, as this image shows, but help is at hand thanks to artificial intelligence.
Monty brings blooming good news
PERENNIAL green-fingered favourite Monty Don shows no signs of wilting - and will host Gardeners' World for at least another two years.
Reeves: VAT on school fees will raise standards
CHANCELLOR Rachel Reeves has defended the introduction of VAT on school fees by insisting it will lead to \"more teachers\" and \"higher standards\" in the state sector.
Homes face £45 bill hike to clear bad energy debt
PLANS to charge every household up to £45 extra on their energy bills, to help write off £1.29billion in customer debt are being considered by the Government.
