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Capri-Torre Annunziata (Mediterranean Sea) Mattresses Installation

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The Capri – Torre Annunziata project entails the installation of a 150kV AC submarine cable system, linking the West Italy mainland (Torre Annunziata) and Capri Island. Spanning a distance of approximately 30km, the submarine cable route, as specified by the customer, extends from landfall at Capri to landfall at Torre Annunziata, navigating through waters with a maximum depth of approximately 120m.

To ensure the stability and protection of the submarine cable system, Prysmian has enlisted the expertise of ASSO to execute mattress installations at in-service crossings.

Vessel/Equipment Used:

  • Ariadne
  • AssoMat I

Through meticulous planning and utilization of advanced equipment, this project aims to enhance the reliability and efficiency of power transmission to Capri Island, contributing to the region’s energy infrastructure development.


  • Owner
    Terna SpA
  • Contractor
    Prysmian PowerLink SRl
  • Year
  • Location
    West Italy mainland and Capri Island
  • Alternative Protection
    Mattresses Installation
  • Max Water Depth
    120 m


Some of the services we provided for Capri-Torre Annunziata (Mediterranean Sea) Mattresses Installation 


  • Ariadne

    DP III – Cable Laying Vessel The Ariadne is a DP-3 Cable Laying Vessel built for worldwide operations, …

    Ariadne Cable Laying Vessels


  • AssoMat I

    The AssoMat I is a system for fast and accurate installation of mattresses and similar products designed for …

    AssoMat I Mattresses Installation, Seabed Preparation Equipment

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