The Department of Energy and Climate Change said it is up to the energy companies to justify their profits.
A departmental spokesman said: "Profits are a matter for energy companies to justify to their customers and shareholders, but profits are needed if they are to continue to invest in Britain's energy security and infrastructure".
More top news
Winston McKenzie has lost his title as Lambeth and North Croydon chairman during an investigation which has seen the whole branch suspended.
The best of the weather will be in the south but as darkness falls it will be a blustery night for everyone.
Justin Bieber just lost 3.5 million followers in what has been dubbed the "Instagram Rapture".