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 November 17, 2024 edition of Sunday Express.
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 November 17, 2024 edition of Sunday Express.
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
Brownhill brilliant for Parker's men
SKIPPER Josh Brownhill's insatiable appetite for goals made it nine unbeaten games on the spin for Scrooge-like Burnley.
Japan favours 39 authentic flavours of UK
A TRADING breakthrough means much of Britain's best-loved food and drink could soon appear more often on menus in Japan.
Alarm over 'epidemic of loneliness'
FEELING lonely at Christmas could affect around 32 million people, research suggests.
Great War airfield can reach for skies once more
THE best preserved First World War airfield has secured its future for another year thanks to the generosity of the public.
Sir Elton won't let the sun go down on writing new songs
SIR ELTON John has revealed he is working on new songs despite having quit touring and suffering a severe infection that has left him unable to see out of his right eye.
World Cup hero George dies
TRIBUTES have flooded in for George Eastham, a member of England's winning 1966 World Cup squad whose death was announced yesterday.
Should I quit while I'm ahead, ponders Lesley as 70th looms
SOPRANO Lesley Garrett has revealed her impending 70th birthday has made her think about quitting singing.
French truckers' threat over checks for migrants
SURLY French lorry drivers have threatened to block goods from entering the UK unless checks to stop migrants arriving become more lenient.
Biden could save 40 from death row
PRESIDENT Joe Biden is considering commuting the death sentences of most - if not all of the 40 prisoners awaiting execution in US federal jails, it has been revealed.
'Time to come clean on mystery drones'
DONALD Trump has urged President Joe Biden to explain thousands of sightings of mysterious, SUV-sized drones reported across at least five US states.
