Prysmian wins $140m China interconnection deal

Italian cable company Prysmian has won a $140m contract for a submarine power interconnection between Hainan island and the China mainland.

It will be the second link between the island and the mainland and marks the first extra-high voltage submarine cable project in China for Prysmian.Prysmian wins $140m China interconnection deal

One of the key beneficiaries of the new link will be a 1300 MW nuclear power plant being built in Changjiang County. The combined capacity of the submarine cables and the nuclear plant are intended to help boost Hainan’s efforts of being an international tourism island.

The new interconnection comprises four high voltage alternating current 500 kV single core self-contained fluid filled cables to be laid under the Qiongzhou Strait in southern China, along a 32-kilometer route.

The cable system will link a mainland transformer substation to a transformer substation in Hainan’s Chengmai County and have a transmission capacity of 600,000 kW.

Prysmian said that the cables will be operated in AC configuration but are also designed to work in DC.

All the cables will be produced in Prysmian’s centre near Naples in Italy and marine installation operations will be performed by the group’s own cable-laying vessel.

Delivery and commissioning is scheduled for the first quarter of 2019.

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