This is because they would be rolled onto an expensive default tariff, despite remaining with the same supplier.
Instead, households could potentially benefit from even bigger savings by shopping around to look for the cheapest deal.
Steve Buckley, Head of Data Science at Loop, said: “Too many customers are being exploited by energy companies after they roll over onto default tariffs, so checking you’re on the best available deal is vital for keeping costs low.
“It doesn’t matter whether you rent or own your home, every customer is entitled to switch their energy supplier and by ensuring you aren’t on an Standard Variable Tariff, you won’t be paying more for your energy than you need to.
— to www.express.co.uk