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Press Release
These developments support the continued growth of the Nordic digital infrastructure market amid significant private data center expansion in Jutland and Copenhagen
Arelion is upgrading its Nørre Nebel site to support additional cable landings and long-term network scalability. The site is fully operational and project-ready with front haul, back haul and subsea horizontal directional drilling (HDDs) for landing multiple diverse sea cables in place.
The global internet carrier is leveraging its network of ducts on the north route from Nørre Nebel to Copenhagen via a unique subsea cable system from Aarhus to Copenhagen. On the south route, ducts passing Esbjerg to Kolding and Copenhagen add resilience and route diversity, with Kolding serving as a key junction point for routes south to Germany and east to Copenhagen.
These investments are part of Arelion’s ongoing strategy to connect many new data center developments in the region to its network, including the recently completed new duct and cable extensions connecting the atNorth DEN01 Copenhagen data center to Arelion’s Nordic AI superhighway.
Complementing the infrastructure, new optical systems supporting wavelength capacity have been added between Amsterdam and Kolding to enable more efficient traffic routing and offer diversity bypass options for Hamburg.
The improvements strengthen connectivity for customers in Denmark’s expanding data center markets and align with broader European initiatives to improve subsea and terrestrial infrastructure across the North Sea region. Denmark’s access to renewable energy and its strategic position continue to support its emergence as a regional data center hub, with the national market expected to reach $2.9 billion by 2030 at a compound annual growth rate (CAGR) of 11.44 percent.
“These upgrades to our Danish network reflect our broader commitment to strengthening digital infrastructure across the Nordics, helping us support enterprise and wholesale customers with low-latency, fully diverse connectivity and predictable performance as they deploy AI applications,” said Johan Ottosson, VP Strategy & Product Management at Arelion. “Our continued investment ensures the capacity needed to keep pace with accelerating demand for AI-driven services, providing a scalable and secure foundation for both training workloads and latency-sensitive inference use cases.”
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