Consumer champion Martin Lewis has warned that some members of the public could end up paying £10,000 a year on their energy bills.
It comes after Ofgem announced that the new energy price cap, for the average household, will rise to £3,549 a year from October 1. It will mean an increase in bill costs of 80 per cent for the 24 million households on a standard tariff across England, Scotland, and Wales.
Meanwhile, the 4.5 million pre-payment meter customers across Britain - who are among the most vulnerable to price increases - will see their annual bill increase even further to £3,608. However, Mr Lewis has warned that the situation is even direr, with some potentially paying the equivalent of a house deposit on their bills.