Transmission System Operation & Control Department

We inform you that after the justified request of producer PPC S.A., the annual maintenance of Gas Turbine 2 of thermal unit Lavrio 4, is extended till 04/06/2023.

We inform you that after the justified request of producer PPC S.A., maintenance works will be conducted in thermal unit Aliveri 5, from 03/06/2023 to 08/06/2023.

We inform you that after the justified requests of the producers PPC S.A., HERON ENERGY S.A, ELPEDISON S.A. and MYTILINEOS S.A., the Units Maintenance Schedule 2023 is updated. The updated (version 3) Units Maintenance Schedule is here.

We inform you that after the justified request of producer HERON S.A. the Heron 1, Heron 2 and Heron 3 thermal units annual maintenance schedule is modified as follows:

• Heron 1: 23/09/2023 to 07/10/2023
• Heron 2: 20/03/2023 to 22/03/2023
• Heron 3: 23/03/2023 to 25/03/2023

We inform you that after the justified request of producer PPC S.A., the initiation of the annual maintenance of thermal unit Komotini GT2, is temporarily postponed. New maintenance period from 27/04/2023 to19/05/2023.

We inform you that after the justified requests of the producers PPC S.A.and MYTILINEOS S.A., the Units Maintenance Schedule 2023 is updated. The updated (version 2) Units Maintenance Schedule is here.