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NKT A/S
NKT makes and installs the big power cables that carry electricity across countries and to offshore wind farms.
NKT is a cable company, but not the kind you plug into a laptop. It makes and installs the giant power cables that move electricity over long distances — across the sea floor between countries, out to offshore wind farms, and through the high-voltage grid that keeps a modern country running. Utilities and grid operators are its customers, and they buy from NKT because these projects are huge, risky, and hard to fix if something goes wrong. You want the company that has done it many times before.
The business really has two halves. One makes the cables: NKT runs factories that turn copper and aluminum into thick insulated power lines, including a new plant in Sweden built to handle the boom in offshore wind. The other half is the tricky part — laying those cables from a ship, often in deep water, and then protecting them on the seabed. NKT owns a specialized fleet of cable-laying vessels for exactly this. It also serves lower-voltage customers, selling cables to power grids and to industries and buildings, but the big-money drama is in high-voltage projects. One quirk of the economics: it often books a big order years before the customer pays, so its order backlog is the number to watch. The wind behind the business is the energy transition. Countries in Europe and beyond are rewiring their grids and building offshore wind farms, and all of that electricity needs cable. NKT's order backlog has swelled to several billion euros as a result, with much of it tied to high-voltage power cable projects. That backlog gives it years of visibility, but it also carries risk: projects can run late or over budget, and NKT has had to write down problem contracts before. Its main rivals are the handful of other companies in the world that can make and lay high-voltage submarine cable at this scale — a small, specialized club that includes Prysmian and Nexans.
NKT is listed on the Copenhagen Stock Exchange and was formerly called NKT Holding, back when it was a conglomerate holding other businesses. It's based in Denmark, near Copenhagen. Its story is a reminder that the boring infrastructure of electricity — heavy, expensive cables nobody sees — sits right at the center of the energy transition. As long as the world keeps building wind farms and connecting grids, someone has to make and lay the cables, and NKT is one of the few companies that can.
Saved answer · last researched 12 Nov 2026