Scheduled Isolations

IPTO with the cooperation of the relevant RSC (Regional Security Coordinator) and any other concerned party (neighbouring TSO’S, Grid Users, etc.) prepares the annual Outage Schedules for Interconnections, Unit Maintenance and Transmission System Elements of the Hellenic Transmission System, in a way that secures the country’s electrical energy supply and the reliability of System Operation.

IPTO draws up the Outage Interconnection Schedule in cooperation with neighbouring TSO’s and the relevant RSC. IPTO presents the Outage Interconnection Schedule for the current and the next calendar year within a reasonable time in order to enable the activation of long term transmission rights assignment process.

IPTO draws up a Unit Outage Schedule in order to ensure the country’s energy adequacy and the secure supply of the Hellenic Transmission System. This rolling schedule is produced in cooperation with all relevant partners who own Units that belong to IPTO’s Units Registry and is presented for the current year and for the next three years. During the Unit Outage Schedule’s design IPTO takes into account the Hellenic Transmission System’s security of supply, the forecasted interconnection state and other system elements’ state, possible load increase and producers’ proposition of their units’ maintenance schedules.

IPTO draws up a Transmission System Elements Outages schedule and coordinates the outage and maintenance of these Elements in a way that ensures reliable and uninterrupted system operation. The yearly System Elements Outage Schedule consists of the maintenance schedule for all system elements according to their operation cycle, the outage duration and the proposed time window of implementation. IPTO presents the current yearly schedule and schedules for the next two calendar years.

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Title Processes Data Type Period Covered Info From To Published
Units Maintenance Schedule Year 2022 Version4 FORWARD MARKET Unit Maintenace YEAR 01.01.2022 31.12.2022 18.03.2022 13:40
Units Maintenance Schedule Year 2022 Version3 FORWARD MARKET Unit Maintenace YEAR 01.01.2022 31.12.2022 09.03.2022 10:15
Units Maintenance Schedule Year 2022 Version2 FORWARD MARKET Unit Maintenace YEAR 01.01.2022 31.12.2022 08.02.2022 12:00
Interconnected System Maintenance Schedule 2022 Version 1 FORWARD MARKET Interconnection Maintenace YEAR 01.01.2022 31.12.2022 01.12.2021 12:00
Units Maintenance Schedule Year 2023 preliminary FORWARD MARKET Unit Maintenace YEAR 01.01.2023 31.12.2023 01.12.2021 12:00
Units Maintenance Schedule Year 2022 Version1 FORWARD MARKET Unit Maintenace YEAR 01.01.2022 31.12.2022 01.12.2021 11:35
Units Maintenance Schedule Year 2021 Version 11 FORWARD MARKET Unit Maintenace YEAR 01.01.2021 31.12.2021 30.09.2021 09:40
Units Maintenance Schedule Year 2021 Version 10 FORWARD MARKET Unit Maintenace YEAR 01.01.2021 31.12.2021 08.09.2021 12:20
Units Maintenance Schedule Year 2021 Version 9 FORWARD MARKET Unit Maintenace YEAR 01.01.2021 31.12.2021 06.08.2021 10:50
Interconnected System Maintenance Schedule 2021 Version 4 FORWARD MARKET Interconnection Maintenace YEAR 01.01.2021 31.12.2021 25.06.2021 13:55
Units Maintenance Schedule Year 2021 Version 8 FORWARD MARKET Unit Maintenace YEAR 01.01.2021 31.12.2021 03.06.2021 12:20
Units Maintenance Schedule Year 2021 Version 7 FORWARD MARKET Unit Maintenace YEAR 01.01.2021 31.12.2021 21.05.2021 15:45
Units Maintenance Schedule Year 2021 Version 6 FORWARD MARKET Unit Maintenace YEAR 01.01.2021 31.12.2021 29.04.2021 12:20
Interconnected System Maintenance Schedule 2021 Version 3 FORWARD MARKET Interconnection Maintenace YEAR 01.01.2021 31.12.2021 23.04.2021 13:49
Units Maintenance Schedule Year 2021 Version 5 FORWARD MARKET Unit Maintenace YEAR 01.01.2021 31.12.2021 01.04.2021 12:25
Units Maintenance Schedule Year 2021 Version 4 FORWARD MARKET Unit Maintenace YEAR 01.01.2021 31.12.2021 12.03.2021 09:30
Units Maintenance Schedule Year 2021 Version 3 FORWARD MARKET Unit Maintenace YEAR 01.01.2021 31.12.2021 11.02.2021 08:55
Units Maintenance Schedule Year 2021 Version 2 FORWARD MARKET Unit Maintenace YEAR 01.01.2021 31.12.2021 23.01.2021 14:00
Units Maintenance Schedule Year 2022 FORWARD MARKET Unit Maintenace YEAR 01.01.2022 31.12.2022 23.12.2020 10:20
Units Maintenance Schedule Year 2021 FORWARD MARKET Unit Maintenace YEAR 01.01.2021 31.12.2021 23.12.2020 10:20