List of offshore wind farms in Germany

Federal Maritime and Hydrographic Agency
http://www.bsh.de/de/Meeresnutzung/Wirtschaft/Windparks/


Offshore Windenergie
http://www.offshore-windenergie.net/en/wind-farm/authorized/sandbank-24

Development of wind turbine rotor size over time

Source:  http://www.vattenfall.co.uk/en/file/Wind_power-ENG.pdf_16636463.pdf