In light of the EU’s aim to be climate neutral by 2050, which requires a 25-fold increase in offshore wind capacity by 2050, NKT is coming up with the world’s largest high-voltage offshore cable production site in Sweden, the second highest tower in Sweden, where cables could be produced for up to 6,40,000 volt direct current (DC) and 3 gigawatts.

Oct 27,2023

The capacity expansion project at NKT in Karlskrona will increase the extrusion capacity making it the world’s largest high-voltage offshore cable production plant. It will be Sweden’s second-highest tower. Additionally, post expansion the number of employees will increase by 500 people making it the largest production site. The new assets will be operational from 2027. The new cable tower will be one of Sweden’s tallest towers when ready, reaching an impressive 200 meters above the ground. In the tower, the insulation system of the cable is applied through extrusion. The high tower is needed for the cooling of the cable which is hanging in a vertical position. The cables could be produced for up to 640,000-volt direct current (DC) and 3 gigawatts – equivalent to the power for all households in Denmark.

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EU aims to be climate neutral in 2050 with 300 GW of renewable wind power – that will need a 25-fold increase in offshore wind capacity by 2050. NKT has invested heavily in their cable factory in Karlskrona to meet the demands of the green transition. In recent years, they have expanded the factory with a second cable tower NKT Lighthouse, a state-of-the-art cable laying vessel NKT Victoria, a new test laboratory, and our employees. The latest and ongoing investment will turn the site into the world’s largest production site for high-voltage offshore cables. Their expansion with a new third extrusion tower allows them to meet the growing demand for both larger and longer high-voltage offshore cables needed in the green transition. The tower in the new factory will be the second-highest tower in Sweden. Their high-voltage cable systems are connecting countries bringing renewable energy from one place to another. They connect a greener world.