Key Takeaways

• NKT is expanding its Karlskrona factory to become the world’s largest high-voltage offshore cable facility, enhancing production of submarine power cables.
• The project will utilize 100% renewable electricity and includes new infrastructure from ABB to ensure reliable power supply for continuous operations.
• Once completed, the factory will produce cables capable of connecting up to ten offshore wind farms, enough to power approximately 15-20 million homes.

Expansion of NKT’s Factory in Karlskrona

Sweden’s NKT is undertaking a significant expansion of its Karlskrona factory, aiming to enhance its capacity for offshore high-voltage power cabling. This expansion will introduce a new production facility and a third extrusion tower, positioning it as the largest high-voltage offshore cable factory in the world. The facility will manufacture high-voltage submarine power cables that operate at up to 640 kV DC, which are essential for the global energy transition towards renewable sources.

To maintain consistent power supply during this major development, NKT has enlisted the expertise of ABB Distribution Solutions. This partnership aims to ensure that the factory runs smoothly around the clock, with a focus on uninterrupted power flow during the cable production process. NKT plans to achieve this using 100% renewable electricity from two new distribution stations.

Darren Fennell, NKT’s executive vice president and head of HV Solutions in Karlskrona, highlighted the implications of this investment, stating, “The ongoing investment in the factory creates the opportunity to annually produce the cables required to connect up to ten average offshore wind farms with a total capacity of 20 GW – enough to supply approximately 15-20 million homes.”

ABB’s role includes providing 90 UniGear ZS1 switchgear panels, along with peripheral systems such as busbar packs and cross-connection cabinets. The UniGear ZS1 switchgear, known for its high safety and reliability standards, has been successfully deployed in demanding applications for over 25 years. The project will encompass comprehensive support, covering plant design, project management, installation, testing, and commissioning of the equipment.

Håkan Morling, responsible for Solutions at ABB Distribution Solutions in Sweden, expressed enthusiasm for the collaboration, stating, “We are excited to be involved in NKT’s efforts to facilitate the transition to renewable energy through advanced submarine cables. For ABB, this project signifies our total commitment. Our extensive experience in delivering large, complex facilities will prove valuable.”

The expansion of NKT’s Karlskrona facility not only signifies a milestone for the company but also contributes significantly to the global energy infrastructure. As the demand for renewable energy solutions surges, submarine high-voltage power cables play a crucial role in facilitating the transfer of energy offshore and connecting countries. With this investment, NKT aims to support the increased capacity needs required for offshore wind energy projects and propel the transition towards a sustainable energy future.

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