During the first three-quarters of 2008, 14% of people who switched supplier made savings of more than £350.
Switching energy suppliers keeps the companies on their toes to provide the most competitive price.
To find the cheapest gas supplier, and the cheapest electricity supplier, you need to do a gas electricity price comparison. Go to the Uswitch website Uswitch
You will be asked to enter your postcode and current plan, and the website will identify suppliers in your area.