LIGNITE

Due to fault restoration works on the OHL 400kV HVSS MEGALOPOLI (843, 823) – HVSS ACHELLOOS (833) - HVSS DISTOMO (863) from Saturday 29/08/2026 08:00 ΕΕΤ to Sunday 06/09/2026 16:00 ΕΕΤ, constraints may be imposed

We inform you that following the justified request of producer DEI S.A., the annual maintenance of the Steam Turbine (ST) of LAVRIO 4 is deferred from the period 24/8 - 07/09/2026 to the period 31/08 - 14/09/2026.

We inform you that, following the justified request of the producers PPC S.A., METLEN ENERGY S.A. και HERON_ENERGY S.A., the Units Maintenance Schedule 2026 is updated. The updated (version 5) Units Maintenance Schedule is here. 

Due to maintenance works on the OHL 400kV HVSS THESSALONIKI (853, 873) – HVSS AG.DIMITRIOS (833, 823), from Saturday 23/05/2026 to Sunday 24/05/2026 (daily outage from 07:00 to 19:00 EET), constraints may be imposed on the neighbouring Thermal Units production.

Due to works on the OHL 400KV HVSS MEGALOPOLI(823,843) – HVSS ACHELOOS (863) – HVSS DISTOMO (833), from Monday 25/05/2026 to Wednesday 03/06/2026 (continuous outage), constraints may be imposed on the neighboring Thermal Units production.

We inform you that following the justified request of the producer METLEN S.A., the annual maintenance of AG. NIKOLAOS II is extended till 18/05/2026.