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Subsea cables at the nexus of global power and data struggle

Goola Warden
Goola Warden • 11 min read
Subsea cables at the nexus of global power and data struggle
Artist impressions of the 2 GW HVDC Platform @ TenneT Photo credit Seatrium
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Undersea cables are now indispensable in the quest for power and data for countries. That provides exciting business opportunities for companies specialised in the installation and maintenance of such equipment

On Christmas Day 2024, a 170km power cable, the Estlink 2 line, which runs along the seabed of the Baltic Sea between Finland and Estonia, was severed under mysterious circumstances. CBC News reports that since 2022, numerous cuts have taken place, severing both power and optical fibre cables. While accidents are not uncommon, European nations suspect some of the cuts are caused by sabotage.

Increasingly, as Singapore’s green plan takes shape, the city-state is likely to tap renewable power from neighbouring countries with subsea power cables. In addition, Singapore is a communications hub as it is the landing point of 26 optical fibre cables.

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