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Energy regulator boss faces MPs

The man charged with regulating the energy industry will answer to MPs later today after it emerged profits of Britain's "Big Six" energy suppliers multiplied five-fold to more than £1 billion since 2009.

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npower: Ofgem's report is 'already out of date'

Energy supplier RWE npower said Ofgem's report into its profits was "already out of date".

The energy supplier said in a statement: "RWE’s power stations in the UK made a loss of £51 million, a far cry from a 20% profit margin.

RWE npower said it made a profit margin 'of just 3p in the pound' from supplying homes and businesses. Credit: Andy Hepburn/PA Wire

"For supplying Britain’s homes and businesses with electricity and gas, npower made a profit margin of just 3p in the pound”.

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