Battling householders owed a total of £2.1billion on their fuel bills even before April’s sky-high rise in energy prices.
Millions were struggling to pay, with debt growing 38 per cent from £1.5bn in the year to April 2022.
Campaigning group Debt Justice’s figures, based on the latest data from regulator Ofgem, appear to show that there should have been earlier intervention in order to ease the cost-of-living crisis.