It was the first installation of the 6MW offshore machine on land and also the first time Siemens erected it in Germany.
The site of the two SWT-6.0-154 machines offers wind conditions close to those at high sea, Siemens says.
The turbines have direct-drive generators and rotors with a diameter of 154 metres.
They will start operating in a few weeks.
Siemens has a 15-year operation and service contract for the machines.
The