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the Danish Folkecenter for Renewable Energy who delivered the
know-how for an integrated drive train, that is gear and generator
make up a closed unit in the nacelle. This construction was first
applied in 1992 in the TW 500 (500 kW) prototype installed on
Borkum Rif, and one year later in the very successful TW 600
(600 kW). Tacke sold several hundreds of its TW 600 worldwide.
For many years Tacke was the second largest German manufacturer.
Although the firm was able to compete in the megawatt-range it
went bankrupt in 1997. The same year business was taken over by
American Enron. A “new Tacke” came up, called Tacke Windenergie.
After struggling with financial problems, two years later it was
renamed Enron Wind which collapsed, and in the end, was taken
over by General Electric in 2002. The wind division is called GE
Wind Energy [4].
Figure 18.14
Tacke TW 600 units at Utgast, northern Germany, 2009. This
wind farm was Germany's biggest in 1996 (Photo: Arne
Jaeger).
Südwind: 1983-1998
Südwind was founded in 1983 in West Berlin and represents the
first wind energy activities in Eastern Germany. Designed and
built by a handful of young engineers a first 15 kW turbine was
put up in the western part of Berlin in 1983. This was a three-
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