Most people will presume "big electrical items" burn the most electricity, however the firm states "it is smaller devices that consume the most energy".
Research by Tesco Compare found that lighting can equate for 40 per cent of an electricity bill while putting a coffee machine on standby and a heated towel rail can put £10 a month each on a bill.
The firm states: "The long days and warm weather mean your energy consumption is at its lowest point in the year, and there has never been a better time to review your energy tariff."
UK Energy Saving recently stated there was "no time like the present" for consumers to switch their gas and electricity suppliers in order to start saving money.
Click here to run an energy price comparison, and see if you could be paying less for your gas and electricity.