Huge

This is one of six tripods, coming from Trondheim, Norway.
The height of this thing is 45 meter.
It's a part of six windturbines of 5 Megawatts each.
After finishing construction at Eemshaven they will be towed to a place in the Alpha Ventus Windpark, 45 km north of the German Island of Borkum.
There they will
The total output of the park (12 turbines in total) is enough for supplying energy to 50000 households.
The total height with blading will be 148 meters, the height of the axis is 90 meters.

See also this almost Blip with the other 5 tripods.