Subsea cable projects

With a number of subsea cable projects announced in 2017, capacity looks at some of the most innovative ones in the pipeline

Deep Blue Cable Subsea Network

Length: 12,000km

Planned Capacity: Eight fibre pairs with an initial capacity of 6Tbps, and ultimate capacity of approximately 20Tbps per fibre pair

Locations connected: British Virgin Islands, the Cayman Islands, Colombia, Curaçao, Dominican Republic, Haiti, Jamaica, Panama, Puerto Rico, Trinidad & Tobago, Turks & Caicos Islands, and dual diverse landings in the US, on the Gulf Coast of Florida

Companies involved: Deep Blue Cable (developer, owner and operator), TE SubCom (cable builder), Digicel (equity partner and anchor tenant)

Projected ready for service: Q2 2020

Deep Blue Cable’s project is an attempt to overcome C&W’s monopoly in the Caribbean by offering an alternative route running between the islands and the US. A route survey is expected to take place in Q1 2018, with manufacturing expected to take place into 2019, and the cable due to go live in Q2 2020.


Length: 2,250km

Capacity: 100Gbps

Locations: Alaskan coastal communities of Utqiagvik, Wainwright, Point Hope, Nome and Kotzebue.

Companies involved: Quintillion, Alcatel Submarine Networks

Ready for service: Stage 1: December 2017

The first stage of Quintillion’s innovative arctic cable went live in December 2017, connecting remote parts of Alaska through a combination of subsea and terrestrial fibre. Eventually, Quintillion plans to extend its cable west to Tokyo and east to London.


Length: 10,556km

Capacity: 64Tbps

Locations: Boca Raton, Florida; Fortaleza and Praia Grande, Brazil.

Companies involved: Algar Telecom, Angola Cables, Antel, Google, TE SubCom

Ready for service: December 2017

Commercial traffic is shortly set to go live on the low-latency 10,556km Monet submarine cable connecting Florida to Brazil. The Monet cable has been built using SubCom’s Open Cables concept, providing the consortium with choice and flexibility in the selection of line cards.


Length: 15,000km

Capacity: 43.8Tbps

Locations: Sydney, Auckland, American Samoa, Oahu, Pacific City

Companies involved: Hawaiki, TE Subcom, Equinix, AWS

Hawaiki is the new carrier-neutral submarine cable linking Australia and New Zealand to Hawaii and mainland United States. The cable has also some industry heavyweights involved in its planning, including Equinix, which will be the landing point on the Australian side, and AWS which has purchased capacity in Hawaiki Submarine Cable. 

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