Proposals in the Energy Prices Bill to allow the business and energy secretary of state to delegate powers over suppliers’ charges are "inappropriate" and have no "compelling justification", according to a parliamentary committee that vets legislation. The bill, which was debated in the House of Lords under a fast-track timetable designed to ensure it is passed by Wednesday next week, has been widely criticised for giving ministers sweeping powers to over-ride Ofgem and the existing licensing and regulatory regime.