Yes, and you should shop around for the best electricity tariff. The things to look out for are: 

  • Who is charging the lowest unit cost for the electricity that you need to buy from the grid; 
  • Who is offering the highest rate for the electricity that you export into the grid? This payment is known as the Smart Export Guarantee (SEG) payment. As of September 2023 best rate is around 15p per kWh. You do not have to sign up for SEG from your current supplier. You can find SEG rates for different electricity suppliers here; and 
  • If you have a battery, are they offering a ‘time of use’ or ‘agile’ tariff? These offer cheaper rates at off-peak times. If you have one of these tariffs, you can charge your battery overnight with cheaper grid electricity and use it during the day to avoid higher day time rates.   

At present, Octopus energy seem to be offering the best tariffs, but keep on the look out for others who might catch up.