Senegal Awards Subsea Power Cable Contract

The US$205 million project will improve the high-voltage network in Dakar.

By Sneha A on
19th September 2023

French contractor Eiffage has announced the award of a US$205 million contract in joint venture with the UK's Enshore Subsea for the design, manufacture and installation of subsea power cables in Dakar, Senegal.

The project is designed to improve the high-voltage electrical network infrastructure in Dakar and the surrounding area. It is one of several projects being developed through the Senegal Power Compact programme, an investment grant agreement between Senegal and the US, which aims to generate inclusive economic growth and reduce poverty in Senegal.

MCA-Sénégal II is the public sector organisation tasked with managing the programme.

Eiffage will execute the cable installation project through its subsidiaries Herbosch-Kiere, Eiffage Sénégal and Eiffage Énergie Systèmes in a 50:50 partnership with Enshore Subsea.

The offshore work will commence in October and is scheduled for completion by the third quarter of 2025.

Herbosch-Kiere and Enshore Subsea will install two 225kV power cables offshore, each 16km long, and six 2km 225kV cables onshore, linking the Bay of Dakar’s west coast (Rive Bel Air) and the east coast (Cap des Biches). 

Subsea cables work in Senegal
Subsea cables route in Senegal
Source: Eiffage

The project entails the excavation of trenches in which high-density polyethylene conduits will be laid. Once the cables are installed, the trenches will be backfilled to bury the cables. Two ships sailing under the flag of Belgium will be used in the works: the barge Gaverland and the self-propelled multipurpose vessel Atlantis.

Eiffage Sénégal will be responsible for the onshore civil engineering works near Rive Bel Air, while Eiffage Énergie Systèmes will install the onshore cables. 

The Senegal Power Compact was signed in December 2018 and involves a five-year, US$550 million financing facility from the US government, with the Senegalese government supplying an additional US$50 million. 

MCA-Sénégal II operates under the technical supervision of the government’s General Secretariat and under the financial supervision of the Ministry of Finance.

Top photo: Subsea cable installation (Source: Enshore Subsea)

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