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turbine manufacturers themselves. If a manufacturer hesitated to
introduce a wind turbine using a new blade type, it might well be
suddenly losing market share; relentless conditions of competition,
over which the individual wind turbine manufacturers had no say.
Figure 7.49
LM 61.5 m blade installed 2009
on REpower 6 MW wind turbine
in Elhöft on the German/Danish border (above); In 2012, a
73.5 m LM blade was installed on 6 MW Alsthom Haliade wind
turbine (below).
Each new generation of blades used to increase by one or a few
metres, but from the middle of the 1990s when MW-sized wind
turbines entered the market, several metres were added to each
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