Which? executive director, Richard Lloyd, said:
“While any increase is bad news for hard-pressed consumers, today’s announcement will make people question why other major suppliers have hit their customers so much harder.
“People want to hear more than just tough talk from the politicians – they want to see tough new action to fix our broken energy market, not tinkering at the edges while consumers grapple with the rising cost of living.
“With trust at rock bottom and record numbers very worried about rising energy costs, we’re calling on the Chancellor to stand up for consumers when he stands up in the House of Commons to deliver this year’s Autumn Statement.”