Dong Energy has produced power for the first time at the 312MW Borkum Riffgrund 1 wind project in the German North Sea and initiated supply to the national grid.

The offshore wind project will feature 78 Siemens SWT-4.0-130 turbines, which are all likely to be commissioned over the next few months.

Located 54km from the German coast and 37km to the north of Borkum island, the project is expected to produce sufficient power for 320,000 homes annually.

Borkum Riffgrund 1 is a joint venture project, in which Dong Energy owns a 50% stake, with the other 50% being owned by KIRKBI and William Demant Invest.

LEGO Group president and chief executive officer Jørgen Vig Knudstorp said: “It’s an important milestone that the Borkum Riffgrund 1 wind farm has delivered its first electricity, as this wind farm will help us reach our goal of being based 100% on renewable energy by 2020.”

Lego is the parent company for KIRKBI.

Construction work for offshore wind facility was initiated in August 2013.

Dong Energy managing director in Germany Trine Borum Bojsen said: “Borkum Riffgrund 1 is our first German wind farm and we’re more than happy, that we’ve started to deliver CO2-free power to the German grid.”