Subsea Cable

Very shortly, 2021, HMN Technologies will complete another industry-first: a 16 fiber pair repeatered submarine cable system connecting Hainan Island to Hong Kong. This is another milestone project that showcases both HMN’s advances in submarine cable technology reinforcing that high fiber count, large capacity Space Division Multiplexing (SDM) systems are no longer a concept, but a fast-evolving reality.

JDR, the global subsea umbilical supplier and servicer, owned by the TFKable Group, has been awarded a contract by Parkwind to supply, test and terminate 33kV subsea cables for the Arcadis Ost 1 offshore wind farm in Germany.

TeleGeography, a global telecommunications market research and consulting firm, has launched its 2021 Submarine Cable Map, sponsored by Telecom Egypt.

SubCom, in conjunction with Google, today announced that a contract is in force for the design, manufacture, and deployment of Firmina, a new high- speed undersea cable system connecting North and South America.

For the very first time in history, the island of Crete has been connected to the Greek mainland by means of a subsea electricity link. A project commissioned by grid operator ADMIE, and awarded to Hellenic Cables in which Jan De Nul Group installed the 135-km long cable over a very challenging seabed, at up to approximately one kilometer in depth.

Cable breaks or faults on subsea optical cables can impact global digital connectivity and have costly ramifications for businesses and internet users. Three such incidents impacted users on the African continent in 2020 alone. Each year more than a hundred cable breaks are recorded across the world causing disruptions to communications and connectivity.

China Mobile International, Facebook, MTN GlobalConnect, Orange, stc, Telecom Egypt, Vodafone and WIOCC announced on May 14, that they will partner to build 2Africa, which will be the most comprehensive subsea cable to serve the African continent and Middle East region. The parties have appointed Alcatel Submarine Networks (“ASN”) to build the cable in a fully funded project which will greatly enhance connectivity across Africa and the Middle East.

NKT has finalized the German sector of the NordLink power cable system connecting the German and Norwegian power grids. The 525 kV MI HVDC power cable system from NKT has now been put into operation by the owners TenneT, Statnett and KfW. For NKT, the turnkey project comprised design, manufacture and installation of 154 km submarine plus 54 km underground power cable systems for the German sector of the power link. With a 1,400 MW power rating, the NordLink interconnector is a cornerstone project for an interconnected and green Europe and can meet the power needs of 3.6 million German households.

With recent publicity surrounding offshore wind cable failures, Aberdeen-based Balmoral Comtec says its integrated cable protection stability system offers up to 75% reduction in subsea cable movement helping prevent irreversible damage.

Jan De Nul Group has successfully repaired TenneT’s AC108 cable connecting the Trianel Borkum offshore substation with Tennet's DolWin alpha convertor station. The repair job is part of the Service Level Agreement for cable repairs that Jan De Nul Group and TenneT entered into in 2019.

Reliance Jio Infocomm Ltd. (Jio), India’s leading 4G and mobile broadband digital service provider, is constructing the largest international submarine cable system centered on India.

JDR, a global subsea cable supplier, owned by the TFKable Group, has been awarded a contract to supply, test and terminate the 66kV dynamic cables in consortium with SDI, part of the DEME Group for the Leucate floating wind farm.