If there were any doubt that the transition to a smart, flexible energy network was well under way, it was dispelled this week with the publication of Ofgem’s latest thinking on how users should be charged for the past, present and future costs of network infrastructure. In an update to its targeted charging review, the energy regulator set out a range of potential reforms that would see a dynamic charging system in which network users could choose to pay more or less to be connected to the grid depending on the time, quality and geographic range of their connection.