Transmission System Operation & Control Department

We inform you that the Annual Interconnections Maintenance Schedule for 2021 has been published here.

We inform you that after the justified requests of the producers, the annual maintenance of units HERON CC and ELPEDISON THESS is extended until 22/11/2020.

We inform you that after the justified requests of the producers, the updated Annual Maintenance Schedule for the reliability year October 2020 – September 2021 is published here.

We inform you that today Wednesday 14/10/2020 there will be a temporary shutdown of the Market Management System (MMS) & Authentication System from 15:00 to 18:00 due to necessary maintenance and upgrade works. The Balancing Market Management System (BMMS) will also be affected from the aforementioned maintenance works and will be unavailable at the same period of time.

We inform you that after the justified request of the producer MYTILINEOS SA, the annual maintenance of the Steam Turbine (ST) of the unit SITHYA AGIOU NIKOLAOU VIOTIAS (ALOUMINIO) scheduled for 27/8/2020, will start on 29/8/20.

We inform you that after the justified request of the producer HERON SA, the annual maintenance of unit HERON CC scheduled to start on 15/9/2020, will start on 15/8/2020.