Households across the UK can stay warm all night this winter for as little as 1p without running the heating. Energy bills have already gone up this month thanks to Ofgem’s new price cap, meaning the average dual fuel home is now paying ￡1, 738 annually-up from ￡1, 717. The price cap limits the amount an energy supplier can charge for units of gas and electricity but it isn’t the absolute maximum price households will pay for energy as it’s based on usage-so those that use more, pay more. And wi