IN DEPTH: DolWin Alpha platform

The DolWin Alpha converter platform travels under the raised Botlekbrug near Rotterdam, on  its way from Zwijndrecht to Schiedam

The DolWin Alpha converter platform travels under the raised Botlekbrug near Rotterdam, on its way from Zwijndrecht to Schiedam

The enormous yellow box looks too big to be moved. It is the size of a large apartment block — ten storeys high, 62 metres long and 42 metres wide — and weighs in at 9,300 tonnes, more than 1,100 double-decker buses.

And yet it sits on a barge about to be floated 30km downriver and then 75km out to sea, where it will be lifted on top of a 3,500-tonne steel foundation.

It is a monumental undertaking but one that is key if Germany is to achieve its ambition of having 25GW of wind power in the North Sea by 2030.

The yellow box at marine contractor Heerema’s fabrication yard in Zwijndrecht, South Holland, is the 800MW DolWin Alpha, the first of a series of giant offshore converter stations destined for German Log in to read complete article.

Become a Recharge subscriber!

Or try our free trial.

Order Subscription

Already a member?

Login


Recharge Monthly Magazine