<p>There are backstop powers in the Energy Bill to ensure that Ofgem's important reforms to the retail domestic energy market are not frustrated or delayed.</p><p>These reforms will require suppliers to limit the number of tariffs they offer to four per fuel and to move customers on poor value dead tariffs to the cheapest equivalent tariff, ensuring that all customers are on the cheapest tariff with their supplier that is in line with their preferences, such as a preference for a particular payment method or a fixed or variable rate tariff.</p>