Citizens Advice said 600,000 people were forced onto a prepayment meter last year because they couldn’t afford their energy bills.
Altough this option can help people to budget, pre-pay customers often end up paying more than those on direct debit.
Pre payment meters also come with the risk of leaving people without gas or electricity if they don’t have the money to top up.
READ MORE: Millions of Britons on a low income could be entitled to £600 a month
