Kvaerner Teams Up with DOF Subsea for Hywind Tampen Marine Operations

Following the award of a contract for the Hywind Tampen project, Kvaerner has joined forces with DOF Subsea to deliver marine operations for the floating wind farm in Norway.

Kvaerner’s contract for the Hywind Tampen project is worth about NOK 1.5 billion (approx. EUR 146 million).

In addition to engineering, procurement, and construction of the floating concrete substructures, Kvaerner will also deliver marine operations for Equinor and its Gullfaks and Snorre partners. This will be performed as an integrated subcontract to the main contract and executed in a 50/50 joint venture with DOF Subsea.

The marine operations part of the contract involves full project management, engineering, assembly site management, mooring system installation, units tow-to-field and installation of the floating wind turbine units at the Tampen area.

DOF Subsea said it would deploy several state-of-the-art construction vessels during the project phases, including the 2011 built Skandi Skansen.

Kvaerner stated that its project will start immediately and be completed during autumn 2022.

The company will do the initial construction of 11 concrete hulls in the drydock at its facility at Stord in Norway, and then tow the bottom structures to the site at Dommersnes in the Vindafjord, where the construction will be completed.

The wind turbines will then be installed on top of the concrete hulls at Gulen Industrihamn in western Norway, which has been chosen earlier for the assembly of the floating wind turbines.

Hywind Tampen will comprise 11 8MW turbines based on the Hywind technology developed by Equinor. With the capacity of 88MW, it will be able to meet around 35% of the annual power demand of the Snorre A and B, Gullfaks A, B and C oil & gas platforms.

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