Installs 500 kV direct current ultra high voltage submarine cable, with a total length of 335 km
One of the world’s largest unified electrical cable laying operations is carried out by ADMIE’s subsidiary, Ariadni Interconnection, which installs a 500 kV direct current ultra-high voltage submarine cable, with a total length of 335 kilometers as part of the Crete-Attica electrical interconnection.
This is noted in today’s announcement and in more detail it is announced that the cable weighing up to 13,500 tons is laid at a maximum depth of 1,200 meters between Korakia of Heraklion (Crete) and Pachi Megaron (Attica) by the state-of-the-art cable laying ship “Leonardo da Vinci” » of the contracting company Prysmian Powerlink.
This is an operation of extremely complex technical requirements that was successfully launched in early December and is estimated to last approximately 9 weeks.
After the operation of the first electrical interconnection of Crete with mainland Greece, via the Peloponnese in July 2021, ADMIE is proceeding at an intensive pace and according to the schedule and the second interconnection of the island with Attica, the largest electricity transmission project implemented currently in the country with a budget of 1 billion euros and a completion horizon of 2024.
As far as the underwater part of the project is concerned, the first 170 kilometers of the electric cable from Attica to Milos have already been laid, as well as all the fiber optic cables, 670 km long.
On the Attica side, the installation works of the underground cable sections are in full progress, while the foundations of the main buildings of the Conversion Stations that will be constructed at the two ends of the interconnection, namely Damasta Heraklion and Aspropyrgos Attica, have begun.
The president and CEO of ADMIE Manos Manousakis said in this regard: “ADMIE and its subsidiary Ariadni Interconnection take another important step towards the completion of the “big” interconnection between Crete and Attica, implementing one of the most demanding submarine cable laying operations internationally . The second electrical interconnection of Crete with the mainland will shield the island’s electricity supply, release its renewable potential and upgrade its position on the energy map of Greece and the Eastern Mediterranean.”
The Project Manager of Ariadni Interconnection, Angelos Stamatelos, said: “After the successful laying of the first section of the electric cable between Crete and Attica, Ariadni Interconnection is proceeding with the installation of the second ultra-high voltage cable. Within the next six months, the ADMIE subsidiary will now have installed all the submarine cables and will focus on the equally critical onshore part of the project.”
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