Their justification for price rises was the hike in cost of wholesale prices. [[http://www.theguardian.com/business/2013/oct/29/energy-firms-raised-prices-as-wholesale-costs-fall#.Um-gQdTOfR4.facebook At least three]] of them may not be accurate with their reasoning, as the rates they pay have actually gone down between 2010 and 2012. Funny that.