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JDR wins contract for floating offshore wind project to power oil and gas platforms

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Energy Global,

JDR Cable Systems Ltd, part of the TFKable Group, has signed a contract with Equinor for the Hywind Tampen project. JDR is designing and manufacturing 11 66 kV dynamic inter-array cables and two static export cables, each equipped with a JDR designed breakaway system and a range of cable accessories for delivery in 2022.

The project will be the first worldwide to power oil and gas platforms using floating offshore wind -- a far more technically challenging and less mature technology than traditional fixed-foundation offshore wind. Cables pose a particular challenge due to the high dynamic stress they must withstand.

The Hywind Tampen project will consist of 11 wind turbines developed by Equinor. The 8 MW turbines will have a total capacity of 88 MW, capable of meeting about 35% of the annual power demand of the five Snorre A and B, Gullfaks A, B and C oil and gas platforms. The floating wind project is in water depths of 300 m.

The 2.5 km long 66 kV dynamic array cables will connect to the 11 turbines in a loop and the two static 12.9 km and 16 km export cables will be used to connect the loop to the Snorre A and Gullfaks A platforms. The greater water depth means the cable accessories will be especially designed to withstand higher water pressures.

The power cores for the cables will be manufactured by JDR's parent company TFKable at its Bydgoszcz factory in Poland. All the cables and accessories will be assembled at JDR's facilities in Hartlepool UK.

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