Price gap between best and worst energy tariffs widens to £109 on average

Different between big six energy companies' fixed price deals and standard variable tariffs widens by more than half since price hikes over winter The gap between the best and worst energy tariffs offered by the big six suppliers has widened by more than half since a round of price hikes over the winter. The difference between the firms' cheapest fixed deals and their most expensive ones, standard variable tariffs, jumped from £70 last November on average to £109 in June, according to challeng...