Plans by energy regulator Ofgem to let customers switch suppliers more quickly are a "game changer", according to price comparison site uSwitch.
The site's director of policy, Ann Robinson, said: "Today's announcement is exactly the sort of game-changer that is needed to encourage consumers to engage with the energy market.
"By speeding up the time it takes to switch energy supplier, households will feel the benefits of moving to a new tariff even sooner."
More top news
An Atlantic frontal system brings rain across northwest Scotland and Northern Ireland overnight.
A memorial to honour the service of millions of men and women from Africa and the Caribbean during the two world wars has been unveiled.
South Africa's president often seems able to survive anything, writes John Ray - but a vote of no confidence held in secret may change that.