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Installation of the wind turbine

The second construction phase began with the assembly of the electric unit on top of the foundation. Then the tower was erected, composed of four separate parts and with a hub height of 85m, on top of which came the nacelle. The nacelle, which houses the entire machinery, is mounted on top of the tower and is able to rotate so that it can adjust to the direction of the wind.  The final step was the assembly of the rotor blades. These were pulled up ready-assembled and mounted on the hub. This lift, also known as the ‘start lift’, is the most exciting because it is the most wind-sensitive hoist of all. The Steinriegel II wind farm turbines have a blade diameter of 71m. All blades are equipped with heaters.

The first wind turbine came into operation on 21.07.14, followed by the rest of the wind farm at the beginning of November 2014. A total of eleven Enercon E70 turbines were built within a 3-month time frame. Steinriegel I and II wind farms have a total capacity of 38.3 MW and produce some 75,600 MWh of electricity every year – which is sufficient to supply around 24,000 households. Annual CO2 savings amount to a total of approximately 45,000 tonnes.
Installing the electric unit on the foundation zoom