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Cable Failure in Ibiza and Formentera Interconnection

By: Rameeza Haq Duggal 16/09/2022 4C Offshore

Cables General Interconnectors

A fault has occurred on one of the two 30 kV cables connecting the Balearic islands of Ibiza and Formentera, on Saturday 3 September 2022. The cable has suffered an external attack, possibly an anchor damage by a large vessel.

The fault location has been already traced, located in the submarine section of the link, 800 meters from the beach of Sa Roqueta de Formentera. It has been estimated that the repair works will be completed within 2 or 3 weeks, depending on sea conditions and weather.

The fault has not caused any disruption in electricity supply to the island, due to the second cable and island’s local generation of electricity.

Currently, the two islands are connected by two subsea cable interconnections of total 30 kV voltage, installed in 1974 and 1982. A third 132 kV interconnection project is currently underway and expected to be completed by 2023. Prysmian has been contracted to supply and install 2 X 27 km cables in a maximum depth of 62 meters. The onshore construction along the interconnection route has been already commenced.

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Cable Failure in Ibiza and Formentera Interconnection

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