DEME secures Dogger Bank bounty

In: CablesVesselsWindfarms
DEME Offshore has been awarded an EPCI contract for the inter-array cables at the Dogger Bank A and  Dogger Bank B, the first two phases of the 3.6 GW Dogger Bank Wind Farm.

The scope includes the engineering, procurement, construction and installation of the subsea cables for the combined 2.4 GW wind farm. DEME Offshore will supply, install and protect 650 km of 66 kV inter-array cables and all related accessories. The contract with DEME Offshore is subject to joint venture partners SSE Renewables and Equinor reaching Financial Close on Dogger Bank A and Dogger Bank B, expected in late 2020.

Production of the cable for Dogger Bank A and Dogger Bank B will start in 2021 and will be installed using the DP3 cable installation vessel
Living Stone.  It was selected based on its cable capacity of more than 10,000 tonnes. The vessel features a DEME-designed dual-lane system, consisting of two cable highways – one for laying the cable and one where the next cable can be simultaneously prepared and have the cable protection system (CPS) installed.

DEME Offshore stated it will work closely with SSE Renewables and Equinor to engage with the UK supply chain in the delivery of the project.

Bart De Poorter, General Manager DEME Offshore, said: “We are very proud to have been awarded this exceptional project, which represents the largest ever inter-array cable contract in the world to date. The renowned cable-laying capabilities and stellar reputation of ‘Living Stone’ were key factors in securing this important contract.”

Steve Wilson, Dogger Bank Wind Farm’s Project Director at SSE Renewables, commented: “We are delighted to welcome DEME Offshore to the Dogger Bank project to undertake the manufacturing and installation of the 66 kV inter-array cables for Dogger Bank phases A and B in what is the largest ever inter-array cable order of its type. DEME, using its state of the art ‘Living Stone’ vessel, has a proven track record in delivering large inter-array cable scopes, and this experience and capability will be essential to successfully install the 650 km of cable required for Dogger Bank A and B.”

Halfdan Brustad, Vice President for Dogger Bank at Equinor, added: “Dogger Bank Wind Farm is pioneering new technology, and at the forefront of scaling up significant energy infrastructure. This contract, for the largest ever order for inter array cables, demonstrates the sheer scale of this project: when complete it will be able to generate around 5% of the UK’s electricity needs with power from the wind. The dual lane system on the ‘Living Stone’ means we can reduce the time needed to install the cables, which for a project of this size greatly helps to reduce costs.”

Dogger Bank Wind Farm is located more than 130km off the North East coast of England and is currently being developed in three 1.2 GW phases by joint venture partners SSE Renewables and Equinor. Dogger Bank will be one of the world’s largest offshore wind farm when complete and will generate enough energy to power over 4.5 million homes every year – around 5% of the UK’s electricity needs.

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