Energy firms must allow customers to switch suppliers within three weeks, the Government said today. This is the length of time - usually seven to fourteen days - within which firms give customers the right to reverse their decision. Regulator Ofgem has also been given more power when dealing with big energy firms. Energy Minister Charles Hendry, who signed the regulations into law, said: 'From today consumers will have a right to faster switching for a better deal on their gas and electricity. The new rules also mean that energy companies can no longer block action by the....Read more here--> Energy firms ordered to switch customers within three weeks | This is Money