Taking meter readings for low-voltage customers is the responsibility of the Hellenic Electricity Distribution Network Operator (DEDDHE). For medium-voltage customers, the responsibility rests with the Independent Power Transmission Operator (ADMHE). Both of them send their measurements to Protergia, who calculates the charges by according to the applicable tariff.
You can contact the Hellenic Electricity Distribution Network Operator (DEDDHE), who is responsible for the development, maintenance and operation of the distribution network. For a list of relevant telephone numbers, click here.