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Figures include discounts for paying with Direct Debit in UK and Standing Order in Guernsey.

This typical household is assumed to use 11,500 kWh of gas and 2,700 kWh of electricity a year with a single bill for gas and electricity, settled by direct debit.

Customers can also estimate their own potential saving by knocking 7% off their monthly direct debit.

This means the annual bill for a dual-fuel direct debit household using a typical amount of energy is £1,849 per year.

Between April and June, households on prepayment meters are paying slightly less than those on direct debit, with a typical bill of £1,803, a rise of £113 from the previous quarter.