Transmission System Operation & Control Department

We inform you that the Annual Interconnections Maintenance Schedule for 2023 has been published here.

We inform you that after the justified request of producer HERON S.A., the scheduled annual maintenance of thermal unit HERON S.A. for the period 13/10/2023 to 19/10/2023, is cancelled.

We inform you that after the justified requests of the producers PPC S.A. and HERON S.A., the Units Maintenance Schedule 2023 is updated. The updated (version 6) Units Maintenance Schedule is here.

Due to necessary maintenance works in the Transmission System and specifically in Circuit 400kV HVSS AG. STEFANOS (813,833) - HVSS PALLINIS (913,893), from 07:00 on Wednesday 20/09/2023 to 17:00 on Saturday 07/10/2023 (continuous outage) and in Circuit 400kV HVSS AG. STEFANOS (853) - HVSS PALLINIS (873) daily during 07:00-17:00 from 20/09/2023 to 25/09/2023, constraints may be imposed that could affect the unit production in the area.