The new line at Prysmian’s Pikkala plant in Finland can produce around 360 km of high voltage direct current (HVDC) 525 kV submarine cables in a year.
May 27, 2025

Prysmian has strengthened its transmission business with the completion of capacity expansion at its plant in Pikkala, Finland, entailing an investment of over EUR 200 million.
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The global leader in the transmission sector boosted the production capacity for high voltage direct current (HVDC) cables in Pikkala using vertical continuous vulcanization. The new high-voltage submarine cable VCV line is housed in ‘Prysmian Tower,’ a vertical factory, which can produce around 1 km of HVDC 525 kV submarine cables every day.
New high voltage submarine cable VCV line:
Prysmian Tower is not a usual skyscraper, it is the highest building in Finland, standing at 185 meters and comprising 24 floors. The cables produced by Prysmian in Finland will reach seas all over the world.
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Prysmian celebrated another major milestone with the christening of its state-of-the-art cable laying vessel, the Prysmian Monna Lisa. The 171-meter-long vessel is purpose built for submarine cable installation, with two carousels of 7,000 tonnes and 10,000 tonnes of submarine cable and is the most environmentally conscious vessel in the sector, owing to its high voltage shore connection, battery hybrid system and diesel generators compatible with biodiesel blends. The vessel is now fully operational, sailing worldwide.