EDF, British Gas, Bulb and Shell Energy are among the companies named and shamed online as many Britons said they cannot afford hundreds of pounds per month more.
Nadhim Zahawi and Business Secretary Kwasi Kwarteng will press gas and electricity company executives for solutions to the predicted spike in bills over winter.
Liz Truss makes Lexit pledge at Tory leadership hustings in Leigh manchestereveningnews.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from manchestereveningnews.co.uk Daily Mail and Mail on Sunday newspapers.
Matt Reed, an aircraft engineer from Cornwall, was outraged when his energy provider sent him an email urging him to opt for a fixed contract of more than £3,600 a year.
Obituary: Brian Woodrow OBE DL - Bedford Independent bedfordindependent.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from bedfordindependent.co.uk Daily Mail and Mail on Sunday newspapers.