Speaking to the Financial Mail, he outlined who he felt should provide assistance to households struggling with rising gas and electricity prices.
He explained: "We have to face the reality that ultimately it is the government's responsibility and it is the government through the benefits system that can take crucial decisions."
Last month, Ofgem published a new document outlining its action plan on tackling fuel poverty.
The regulatory body's programme was created after it held a summit to discuss the issue with energy suppliers and the government.
Measures featured in the proposals include the introduction of a new pilot scheme to ensure that vulnerable customers are on their suppliers' cheapest tariff.
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