Market experts have suggested that the Big Six energy firms have not been 'fully candid' about their profit margins, according to reports.
The firms have been accused of misleading consumers over why bills are so high by glossing over the large mark-ups they charge for generating electricity, it has been claimed.
According to The Independent, the industry’s figurehead, Angela Knight, said suppliers worked on margins of just give per cent which were justified to pay for “extremely large” investments necessary in their businesses.
More top news
A second Scottish independence referendum is "even more likely" after Theresa May's Brexit speech, Nicola Sturgeon has said.
At least 100 people are feared dead in the bombing including soldiers and Nigerians working for Doctors Without Borders.
Each broadcast automatically disappears as soon as a recording finishes and users have the option to disable comments.