British Gas the fourth of the Big Six energy suppliers to boost prices after Ofgem’s price cap British Gas, the country's biggest energy supplier, becomes the fourth of the Big Six energy companies to raise its prices after Ofgem, the energy regulator, increased the price cap on gas and electricity bills. Customers of British Gas can expect the standard variable tariff to increase by £117 for 3.5m customers starting 1 April. Stephen Murray, [...]