In addition, it has been claimed that the chancellor is planning to specifically mention rising levels of fuel poverty in his Budget next month, although he is reportedly planning to hold back the introduction of a windfall tax as a last resort on the issue.
A government official told the newspaper that Mr Darling was not planning to "shut that option off completely" in the event that companies do not pass profits or windfall back to energy consumers voluntarily.
News on the issue has come after Ofgem announced plans to launch a probe into the condition of the energy market.
The organisation is to examine whether the sector is failing energy customers and has urged people with evidence of anti-competitive behaviour to come forward.
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