The next prime minister will tackle "eye-watering" energy bills, Boris Johnson has said, amid criticism that he has failed to respond to the crisis.
Writing in the Mail on Sunday, Mr Johnson said his successor would deliver a "huge package" of support.
Charities and experts have called on the government to announce more support as a matter of urgency.
Conservative Party leadership candidate Liz Truss is reported to be considering a 5% cut to VAT.
A report in the Sunday Telegraph suggests she is looking at the move as a "nuclear" option and says it could save the average household £1,300 a year. But a spokesperson for her campaign said it would not be right for her to announce any plans at this stage.
Rishi Sunak's team has dismissed a cut to all VAT as "incredibly regressive", saying it would cost more than £30bn.
Mr Sunak, who is vying with Ms Truss to become the next prime minister, has said he would cut VAT on energy bills and has promised targeted support for the most vulnerable.
On Friday, the energy regulator hiked the price cap on household bills by 80%, meaning the typical household gas and electricity bill will rise to £3,549 a year from October.
https://www.bbc.co.uk/news/uk-politics-62703858