The big five energy comparison sites have admitted they earn up to £30 in commission every time a customer switches provider.When customers change both electricity and gas accounts, they charge up to £60. The figures emerged as the bosses of five price comparison sites were questioned by MPs on the Energy Select Committee. The price comparison sites argued that the fees were justified. Such payments are controversial, as sites have been accused of "hiding" deals which do not make them money. John Robertson, a Labour member of the Committee, accused the comparison sites of not being fair to customers. "There seems to be some kind of ethos in the energy market that says, 'I want to rip off every person I get hold of'," he said....Read more here