Orsted has delivered power from all the turbines at its 450MW Borkum Riffgrund 2 wind farm in the German North Sea.
The project features 56 MHI Vestas V164-8.0MW machines supported by 20 suction bucket jacket and 36 monopile foundations.
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Fred Olsen Windcarrier jack-up Bold Tern started turbine installation in May, with first power delivered in early August.
The vessel installed the final MHI Vestas unit in September.
Full commissioning is scheduled for 2019.