Jason Ford

Alstom to connect North Sea windfarm to German grid

News

Alstom has entered Germany’s offshore high-voltage direct current (HVDC) market with a €1bn contract to connect an offshore windfarm project in the North Sea to the German mainland.

Awarded by TenneT, the contract calls for onshore and offshore converter stations plus connecting cable systems for the DolWin3 offshore wind project.

The DolWin3 project will be the third grid connection in the DolWin wind farm cluster in the south-western region of the North Sea and will offer a capacity of 900MW.

Once the project is complete in 2017 DolWin3 will be the eighth grid connection project to be implemented by TenneT using DC technology.

‘The contract is for the engineering, design and construction of the platform which is going to connect five windfarms and around 200 wind turbines to produce up to 900MW that will be connected to onshore grid of Germany,’ said Patrick Plas, senior vice-president, Alstom Grid Power Electronics and Automation.

‘The scope of the contract covers the turnkey supply and construction of the offshore converter station, which includes the platform itself, the complete converter system onshore - including construction works - and the DC cable connection between these two stations,’ he added. ‘The cable connections include 80km on the seabed and 80km onshore to connect the offshore platform to the onshore platform.’

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