The article explained that people should "dig out a recent bill and enter your postcode at one of the sites to compare deals across suppliers" as "opting for an online bill and paying by Direct Debit will secure the cheapest deals".
It added that before choosing a new gas or electricity supplier people should check the small print to make sure they're not incurring any hidden extra costs.
Other tips for reducing the amount of people's monthly energy bills included switching lights off when leaving the room, not putting appliances on standby and ensuring the house is properly insulated.
Smart meters, which provide real time information on household energy usage and how much it costs, were also suggested as a way to change people's attitude to gas and electricity consumption.
Click here to run an energy price comparison, and see if you could be paying less for your gas and electricity.