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February 1, 2013--The German company, Siemens, has built new turbines twice as big as its older models for offshore wind production – so big that a special ship had to be built to carry the giant blades. Even larger ones loom on the horizon. 

Several companies are designing 10- and even 15-megawatt machines with 100-meter blades.

“These blades would reach two-thirds of the way to the roof of the Empire State Building. The push to supersize wind turbines is part of an effort to reduce installation and maintenance costs, which can be far higher than the cost of the turbines themselves. The pictures in this slideshow give a sense of just why installation is so costly,” Technology Review reports.  View full story:

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