Overview

• EDF’s Simply Fixed Aug26v11 is priced at £1,634 for a typical dual‑fuel customer paying by direct debit, which is £86 below the current cap and £110 under EDF’s own October prediction.
• Ofgem’s July–September caps are £1,720 for direct debit, £1,855 for standard credit, and £1,672 for prepayment, highlighting higher costs for those paying on receipt of bill.
• EDF forecasts the October cap at about £1,744, noting market volatility and warning its fixed offer may be withdrawn; exit fees of £50 per fuel apply.
• MoneySuperMarket estimates households can save about £271 a year by switching supplier, with a further £135–£138 saved by moving from standard credit to monthly direct debit.
• DESNZ data indicate around 3.4 million households use standard credit and could collectively pay up to £459 million more each year than direct debit customers under the current cap.