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Press Release -- August 6th, 2026
Source: mdm
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Narwhal 1 and Narwhal 2: Twin Transatlantic Subsea Fibre Cable Systems

MDM is pleased to announce two new transatlantic cable systems, Narwhal 1 and Narwhal 2, between Ireland and the US. Narwhal 1 will run from the existing cable landing station in Galway, Ireland to Long Island (US). Narwhal 2 will run from a new cable landing station in the South of Ireland to New Jersey.

The two new cables will interconnect with existing cable systems under development in Ireland, including the Pisces System from Galway to Spain, France and Portugal, a new cable system from Galway to Norway, which is under development (MDM and industry partners), and multiple other Ireland-to-UK systems, providing onward connectivity from Ireland directly to Europe and to the UK.

MDM is currently working on the permit applications for the systems and marine survey procurement is underway. The provisional Ready for Service date for Narwhal 1 is Q3 2029, and Narwhal 2 will follow in 2030.

The systems are being funded via private equity and industry partner involvement.

MDM, established in 1990, specializes in the development, build and operation of sub-sea cable systems. The Narwhal 1 and Narwhal 2 cable systems represent an investment of $500M. Director and Co-founder Jim McMahon explains that demand for transatlantic connectivity is forecast to increase significantly over the next 5 years. MDM, through a combination of its extensive in-house capabilities and its existing landing station infrastructure, is uniquely placed to fast-track these exciting projects.

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