Image: Martin Bennie, Unsplash
Taihan Cable & Solution, a South Korea-based power cable manufacturer, has won a contract from Top Solar Group to supply 154 kV submarine cables and associated materials for a grid connection project in South Jeolla Province, on the southwestern tip of the Korean Peninsula.
The cables will connect two PV arrays in Sinan province – the Bigeum Island solar farm and the Dogo floating solar facility – to a substation on Anjwa Island.
The project is the first to be carried out in collaboration with Taihan Ocean Works, a marine installation subsidiary that Taihan acquired in July 2025. Taihan will produce the cables at its submarine cable factory in Dangjin, while Taihan Ocean Works will handle transportation and installation. The company said the project demonstrates an integrated value chain that includes manufacturing, transportation and installation.
“This project serves as an important benchmark demonstrating our business capabilities in submarine cable and represents a strategic stepping stone for expansion into large-scale power grid projects, including HVDC,” a Taihan spokesperson said. pv magazine.
The spokesperson said the experience gained from the project “will serve as a basis for participation in large-scale HVDC initiatives such as the West Coast Energy Highway, a major offshore wind energy project led by the Korean government.”
Taihan said it is building a second submarine cable factory in Dangjin that can produce 640 kV HVDC cable. The contract value and timeline for project completion were not disclosed.
South Korea has been steadily expanding its solar and floating PV capacity, including the 47.2 MW Imha Dam floating solar project, which recently came into operation, in addition to national tender programs such as a 1 GW solar tender launched in 2025. The Sinan cable project is part of a broader effort to strengthen transmission links and integrate remote and island-based generation into the national electricity grid.
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