Vesta's The World’s Biggest Wind Turbine

Vestas has successfully installed world's biggest wind turbine at the Danish National Test Centre for Large Wind Turbines in Østerild.

Vestas' V-164 [3]

This wind turbine is powered by Vestas' V-164, have blade height of 80 meter and total height of 220 meters.
Vestas' V-164 is powerful enough to supplying electricity for 7.500 average European households. [1]

Video bellow show Vestas' V-164 in action [2]:



Here are some specification for Vestas' V-164 [3]:

Rated power: 8,000 kW
Cut-in wind speed: 4 m/s
Rotor diameter: 164 m
Swept area: 21,124 m²

Vestas' V-164 power curve [3]

References:
[1] - The Daily Fusion, (http://dailyfusion.net/2014/02/vestas-launches-worlds-most-powerful-wind-turbine-26416/)
[2] - Bloomberg TV, 
(http://www.bloomberg.com/video/the-world-s-biggest-wind-turbine-YPo_9UzoTUWnlAM1jZbthw.html)
[3] - Vestas, (http://www.vestas.com/en/products_and_services/turbines/v164-8_0-mw#!)