NKT is a Danish high-voltage power-cable maker, listed on Nasdaq Copenhagen, that became a Portuguese manufacturer in June 2024 when it acquired SolidAl and its plant in Esposende — now part of NKT’s European high-voltage cable network.
NKT traces its roots to 1891 and today is one of Europe’s leading manufacturers of medium-, high- and extra-high-voltage power cables, with around 6,000 employees, production in ten European countries and a listing on Nasdaq Copenhagen. Its cables underpin the grid upgrades, interconnectors and offshore-wind connections that the European energy transition depends on.
NKT’s Portuguese footprint dates to June 2024, when it acquired SolidAl, a Portugal-based power-cable manufacturer, bringing the site in Esposende into the group. The plant adds medium- and high-voltage capacity to meet rising demand from grid and renewable projects, and NKT has confirmed that Esposende — alongside its Cologne site — supplies high-voltage onshore cables under an extended framework agreement with France’s transmission operator RTE running from 2026 to 2028.
The SolidAl deal turned a long-standing Portuguese cable maker into a node in a Danish-owned, pan-European high-voltage network — a textbook example of Nordic industrial capital deepening Portugal’s role in Europe’s electrification supply chain rather than simply selling into the market.
Acquisition of SolidAl completed June 2024 (Esposende site); high-voltage framework agreement with RTE extended to 2026–2028, supplied in part from Esposende.
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