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High voltage manufacturing site in Karlskrona, Sweden

NKT Lighthouse – our new extrusion tower

Key geographical location​ – close to Europe’s offshore wind market

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Facts on the new tower, NKT Lighthouse

In the tower, NKT will produce power cables up to 640 kV

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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 gigawatt – equivalent to the power for all households in Denmark.

Overview of capacity expansion project at NKT’s Karlskrona plant: Highlights of investment

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  • Site XLPE extrusion capacity increase - making it one of the world’s largest sea cable production plant (seen with MI and XLPE)
  • Construction of new 150 m cable tower – one of Sweden’s tallest towers
  • Increase by up to 100 jobs – making it NKTs largest production site – and driving construction work employment as well as sub-contractors in Sweden.

One of Sweden’s tallest towers

Watch our new completed extrusion tower NKT Lighthouse

Learn more about how a cable is produced and installed

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