Energy rip-off

The bloke who has been in charge of a two-year investigation into gas and electricity suppliers for the Competition & Markets Authority has decided that their profit margin should be no more than 1.25% “because they don’t make the stuff”. British Gas and SSE, margins 7% and 6.2% respectively, are reported to be outraged by this conclusion. But is there any chance of the May government giving them anything to grouse about?