They can call in
10410 or to enter it though the internet at
http://www.dei.com.gr/Default.aspx?id=5634&nt=18
where there are precise instructions of how to file ones reading. For blocks of flat with many meters the consumer must check the number of the meter with a number at the top of his bill.
This is a strategic move from the company in order to stop private electricity companies such as Aegean Power and Energa that are now trying to sell electricity to consumers apart from big companies.
source:
