The average household energy bill is to increase by £149 from October after Ofgem said it was increasing its price cap as homes approach the winter months. Jonathan Brearley, chief executive of Ofgem, said rising prices in the international energy market, due to heightened political tensions and extreme weather events, were the main driver behind the decision. Report by Covellm. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn