A global supplier and manufacturer

NKT has manufacturing plants across Europe supplying HV, MV, and LV cables and Accessories

About us
Production

NKT is a global company with manufacturing facilities in Europe which enable us to design, manufacture and market our high-quality products as well as push the boundaries of technological innovation in our field. Our manufacturing plants are among the most modern, flexible and cost-effective in the world, and we continuously invest in our manufacturing facilities to keep them at the highest technological level. Our state-of-the-art facility in Cologne, Germany is a unique example with specialized technical innovations which have been integrated into the factory to make the production as efficient as possible and our factory in Karlskrona, Sweden, is a center-of-excellence for production, installation and service of high voltage cables in both AC and DC for submarine and underground applications. It operates its own harbor as well as the world’s most advanced cable laying vessel.

All our production sites have their own testing facilities onsite, and especially our plant in Karlskrona offers some of the most advanced testing equipment in the industry.

Factory worker talking to office employee

You find a description of all our production facilities below:

NKT GmbH & Co. KG, Cologne

A state-of-the-art cable factory, and the embodiment of our customers’ requirements, down to the last detail, giving the facility the name f2c – flow2customer. The factory has been constructed on the basis of facilitating optimal cable production and an optimum of environmental protection. Special technical innovations have been integrated into the plant to make production as efficient as possible.

Product range: High voltage cables, Submarine cables, Fibre optic products, Superconducting cables, High voltage accessories, Medium voltage cables.

NKT HV Cables AB, Karlskrona

Dating back to the start of cable production in 1883 by Liljeholmens Fuse factory, our manufacturing facility in Karlskrona has an extensive experience in high voltage cables. It is a center-of-excellence for production, installation and service of high voltage cables in both AC and DC for submarine and underground applications.

Through the years, several world-record cables have been delivered and successfully installed and we are committed to a constant focus on research and development to deliver innovative and responsible products and solutions.

In 1992 the unit moved to Karlskrona in the southern part of Sweden and was acquired by NKT in 2017.

NKT (Denmark) a/s, Asnaes

Our production plant in Asnaes focuses on production of building wires, 1 kV and medium voltage cables up to 72 kV. In 2002 NKT won the EU Environmental Prize for being the first cable producer to introduce halogen-free cables on the Danish market.

The Asnaes location also features an assembly and repair plant for wooden drums.

NKT AB, Falun

Our production plant in Falun focuses on production of building wires, 1 kV cables, medium and high voltage cables up to 170 kV with accessories. We also manufacture cables for the telecommunications industry.

The company was founded in 1888 as Sieverts Kabelverk, later a part of Ericsson AB and since 2013 a part of the NKT group. In 1971 the power cable production was moved from Stockholm to Falun where we today design and manufacture building wires, 1 kV cables, medium and high voltage cables up to 170 kV and cables for the telecommunication industry. Our state of the art development and testing facility ensures that we meet our customers’ demands in the best possible way. Regardless if you are searching for a standard cable or a special solution customized to your needs.

This makes us truly local in understanding your demands and easy to contact but global in our possibilities to fulfill your needs.

NKT s.r.o., Kladno

Founded in 1865, this is one of the oldest cable production plants in Europe. Today, however, it boasts state of the art equipment and an optimized product flow, making it one of the most high-tech plants in the industry. Product range: Low voltage cables up to 1 kV, Low fire-hazard cables.

NKT s.r.o., Velké Meziříčí

Our production plant in Velke Mezirici is specialized in manufacturing medium voltage cables up to 50 kV to the highest industry standards.

NKT S.A., Warszowice

Company founded in 1928 in Czechowice-Dziedzice. In 1993 NKT A/S and IO bought shares of Śląska Fabryka Kabli S.A. In 1999 opening of the new production plant and logistic center in Warszowice, after 7 years in 2009 the new plant building in Warszowice was completed.

Currently the newest production plant in Poland equipped in the modern world class machinery like Niehoff and Rosendahl. Implemented Lean optimization, and very high efficiency of production.

The production range covers production of installation and low-voltage cables. NKT in Poland has also its own PVC compounds production facility located in Knurów.

NKT HV Cables AB, Alingsås

Our production plant in Alingsås manufacture AC cable accessories from 1 kV up to 420 kV and accessories for extruded HVDC cables.

Founded in 1888 as Sieverts Kabelverk, later on part of L. M. Ericsson and ABB, and now since 2017 a part of NKT.

In 1956 the manufacturing was moved to Alingsås and has since served as a dedicated plant for cable accessories suitable for safe and easy connection of distribution and transmission applications.

NKT GmbH Kabelgarnituren, Nordenham

Here in Nordenham, we concentrate our medium voltage accessories competence. At the site, we develop and produce all our premium MV power cable accessories. Thus, for NKT, Nordenham is a hub to continue our pioneering work in the field of silicone rubber.