Martin Lewis issued a warning to anyone on Direct Debit who is planning on trying to get cheaper rates.
Speaking on ITV's Martin Lewis' Money Show Live, the financial guru explained what is going to happen on October 1 as the new energy price cap of £2,500 comes into force.
Throughout the programme, he explained how energy prices are rising but with the £2,500 price cap and £400 discount, there will be a helpful discount.