Second EDF price hike 'difficult to justify', energy regulator Ofgem says

EDF is hiking bills for the second time this year, a move that has been described as "difficult to justify" by energy regulator Ofgem.The French-owned firm, one of the "Big Six" energy firms, said a typical standard variable dual fuel bill would increase by £78 a year, or 7.2%, to £1,160 from 21 June, in a move affecting 1.5 million customers.Combined with a 1.2% bill increase that took effect earlier this year, it will put a typical household's gas and electricity costs for the year