Find out who your current suppliers are, by ask your landlord or letting agent for this information. Take meter readings as this will help you to avoid being charged for the previous tenant’s usage. You can take meter readings yourself, or you can ask your landlord or letting agent to do it for you. Choose a new supplier if you feel the existing supplier is not meeting your needs with regards to prices and tariffs. You can use a comparison website to help you with this. Set up your account. Once you’ve chosen a new supplier, you’ll need to set up an account with them. This usually involves providing some personal information and your meter readings.