The regulator now expects a dual fuel bill for the next 12 months to be £1,315, leaving suppliers with a £65 profit margin. Additionally, Ofgem lowered its prediction for a typical gas bill down to £755 — a drop of £70 — with suppliers making £65 in profit — £10 less than before. The estimate for electricity bills fell by £30 — down to £600 — with the profit margin reduced by £5 to £45.