Energy company chief executives even intervened to demand that MPs offer more support to households.Į.ON boss, Michael Lewis, told The Guardian that up to 40 per cent of people in Britain could fall into fuel poverty. This comes as the UK has been hit by the worst cost of living crisis since 1980s, and inflation at a staggering 7 per cent. Prepayment customers saw a jump of £708, from £1,309 to £2,017, and further hikes are expected. The price cap, which limits the rates a supplier can charge per unit of electricity and gas, rose from £1,277 to £1,971. Ofgem, the energy regulators, hike their prices 54 per cent on April 1. April saw the energy price cap rising to record £693 per year on average, with prepayment customers paying even more.