Transmission System Operation & Control Department

We inform you that after the justified request of producer ELPEDISON S.A., the maintenance of thermal unit Elpedison Thess, will take place on 08/04/2021 only. The unit will be available on 09/04/2021.

We inform you that after the justified requests of the producers ELPEDISON S.A. and HERON S.A., the Units Maintenance Schedule is updated. The updated (version 5) Units Maintenance Schedule is here.

IPTO announces that today, January 8, 2021, Greek time 15:05 (14:05 CET), a disturbance occurred in the System of South Eastern Europe (SEE), out of the Greek System. The consequence of this incident was the separation of the interconnected Transmission Systems of SEE from the Continental Europe Synchronous Area. The frequency value in Central Europe contained around 49.7 Hz while in Southeastern Europe approximately at 50.3 Hz.

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.