With prepayment meters (PPMs) currently acting as a lightning rod for criticism of the energy retail sector, Utility Week speaks to the chief executive of the country’s only PPM specialist. Utilita’s Bill Bullen discusses politicians “jumping on the bandwagon”, Ofgem’s “unachievable and inconsistent” directions and “lazy, middle-class assumptions” around PPMs, as well as his challenge to other retailers to get out of the HQ and onto the high street.