The completion of the process (third step), initially scheduled for January postponed by one year (by Resolution 867/2017/R/eel) and sets 1 January 2019 for the reform to be operational, applying also to system charges a tariff structure that is not progressive but rather differentiated between resident customers (to whom they will be fully applied as energy-related charges) and non-resident customers (to whom they will be applied partly as a fixed quota and partly as an energyrelated charge).