Maintenance

Due to maintenance works in the OHL 400KV HVSS Pallini(813,833) – HVSS Lavrio (813,803), from Monday 04/05/2026 to Tuesday 30/06/2023 (daily outage from 08:00 to 16:00 EET), constraints may be imposed to the neighbouring Thermal Units production.

We inform you that the Annual Interconnections Maintenance Schedule for 2026 has been published here.

We inform you that the updated (version 2) Annual Interconnections Maintenance Schedule for 2025 has been published here.

Following information from the Italian TSO (TERNA), we inform you that the outage of the Greece-Italy DC-link, which occurred on Friday 12/08, at 14:51, due to a fault on TERNA’s side, is expected to last until Friday August 19, 2022 according to TERNA’s estimates. Therefore, until the restoration of the DC-link, the NTC of the Greece-Italy interconnection is set to zero in both directions.

We inform you that the Annual Interconnections Maintenance Schedule for 2022 has been published here.

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