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Written by Martin Lynch, European News Editor for Industrial Info (Galway, Ireland) - Construction at the Gwynt y Môr offshore project in the U.K., the world's second largest offshore windfarm, has finished.

Developer RWE Innogy, the U.K. arm of German energy giant RWE AG (OTC:RWEOY) (Essen), announced that the final array cable has been installed at its flagship 576-megawatt (MW) offshore project, off the North Wales coast. It saw the laying of the last of 161 array cables by U.K.-based Reef Subsea earlier this week, using its two specialist cable laying vessels, Polar Prince and Polar King.

Construction has taken just under three years on the project which will be capable of generating enough power for approximately 400,000 homes - a third of the all the homes in Wales. The project has cost an estimated €2 billion ($2.5 billion). To date, the construction phase has seen 160 foundations and turbines, four export cables, two offshore substations and 161 array cables installed.

"Completing the installation of all the components at Gwynt y Môr is a hugely significant milestone and brings to an end the construction phase of the project," explained RWE Innogy UK's Gwynt y Môr Project Director, Toby Edmonds. "It is a tremendous success for the project team and our attention now turns to commissioning the final turbines."

Duncan MacPherson, Chief Executive Officer at Reef Subsea said of the project: "Drawing this phase of the project to a successful conclusion is a proud moment for the Reef Subsea team and we have been delighted to have been involved from the early days. Gwynt y Môr Wind Farm is one of the largest offshore wind farm constructions of its kind in the world and is also the largest project that Reef Subsea has been involved with since its formation in 2011.

In September, RWE announced that more than half of the 160 turbines at the windfarm were commissioned and generating electricity. Final commissioning of the remaining turbines is expected to be carried out over the winter months.

In April, Industrial Info reported that RWE had sold a 10% stake in the Gwynt y Môr offshore windfarm to the U.K. government's Green Investment Bank (GiB) for €265 million ($365 million). For additional information, see April 3, 2014, article - RWE Sells Stake in Welsh Offshore Windfarm.

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