Find tariffs and suppliers Use a comparison website or phone different energy suppliers to find out what you can save by switching. You can ask your supplier if they will match an offer if you find one that’s better elsewhere. 

 

It's useful to have the following information: Your postcode. The name of your current supplier. The name of your current energy tariff. Your annual energy usage or costs. You can find your tariff, supplier and annual information on a recent energy bill. 

 

Once you have this information you can use a comparison site. The Citizens Advice Bureau offers and free and impartial comparison tool which you can access here: