" UKPower.co.uk helps customers to save money on their gas and electricity bills through our free, impartial gas and electricity comparison and switching service. The calculator takes input from the user and returns results based on their location, current supplier and tariff. Results can be viewed by price, rating or green only tariffs. UKPower.co.uk is not an energy supplier but an independent, Energywatch approved service, providing our consumers with unbiased comparisons ".