South Aegean Sea – Mainland Greece HVDC Line is a 400kV underground line from South Aegean Sea, Ermoupoli, Greece, to Mainland Greece, Greece, Greece.

The project, which is currently under construction, is expected to be commissioned in 2021.


South Aegean Sea – Mainland Greece HVDC Line is an underground line that will be operated by IPTO. The line will carry direct current (AC).

The development of the South Aegean Sea – Mainland Greece HVDC Line project has been approved by the Regulatory authority for energy, Greece.

South Aegean Sea – Mainland Greece HVDC Line project development status

How well do you really know your competitors?

Access the most comprehensive Company Profiles on the market, powered by GlobalData. Save hours of research. Gain competitive edge.

Company Profile – free sample

Thank you!

Your download email will arrive shortly

Not ready to buy yet? Download a free sample

We are confident about the unique quality of our Company Profiles. However, we want you to make the most beneficial decision for your business, so we offer a free sample that you can download by submitting the below form

By GlobalData

The construction works on the South Aegean Sea – Mainland Greece HVDC Line project were commenced in 2020 and commissioning is expected in 2021.

About IPTO

IPTO SA (IPTO), a subsidiary of Public Power Corporation SA, is a power distribution company. The company provides electrical transmission system operation solutions. Its services include system supervision, control and operation; and operation scheduling. The company also offers training and education services. IPTO also provides legal and functional unbundling of the transmission and distribution functions of vertically integrated undertakings participating in member states. Its installed transmission lines such as overhead transmission line, submarine transmission line, underground transmission line, substation and interconnection.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.