UK Gas and Electricity Comparison Sites "There are a number of Energywatch approved sites that compare prices of gas and electricity services (utilities), including dual fuel packages. They help you find the cheapest utility suppliers / providers" http://paler.com/uk_gas_and_electricity.html
Utilities | Confused dotcom "Use Confused.com's FREE and impartial service to find out how much money you could save on gas and electricity for your home – you could save up to £252 a year" https://www.confused.com/
Utilities | Go Compare "Gocompare.com was founded by Hayley Parsons, one of the original members of confused.com, Gocompare.com was created to provide a comparison service covering many different products, all aimed at helping the customer receive the very best for their insurance and financial requirements." http://www.gocompare.com/
Utilities | Guardian online This easy tool shows how much you could save by shopping around for gas and electricity online. We are working with Xelector plc to make it easier for you to compare and switch suppliers. http://products.xelector.com/guardianukmoney/Utilities/
Utilities | Simply Switch "Welcome to SimplySwitch, your free and impartial comparison service that could save you a fortune on your household bills. As well as saving you money on your gas, electricity and home phone we can also find you the best deal on your mobile phone, credit card, broadband connection AND your mortgage." http://www.simplyswitch.com/