Energy minister Ed Davey has written to the regulators questioning high profit margins on retail gas, and demanding an investigation: reported by the BBC, Independent and others.
It is suggested that if gas margins were similar to those for electricity, this could save the typical household £40 per year. The letter suggests that British Gas/Centrica prices and profits suggest a monopoly position.
The full text of the letter is here, and you can read more of our coverage of energy prices here.
