Swedish energy company Vattenfall, along with German utility Stadtwerke Munchen, will build a 288MW offshore wind farm in the North Sea with a total investment of approximately EUR1bn.

The DanTysk wind farm will be situated about 70km to the west of the German island of Sylt.

Vattenfall is responsible for the construction and operation of the wind farm, which will consist of 80 turbines erected in an area of approximately 70sq km in water that is up to 30m deep.

Once complete, the wind farm will produce around 1,320GWh of electricity annually.

Construction of the power project will begin in 2012, and Siemens will deliver the wind turbines, which will be commissioned in 2013.

Vattenfall owns a 51% interest in the project while Stadtwerke Munchen holds the rest.