This is essentially an ad for MidAmerican Energy but it shows the work that takes place over 3 weeks to install a 40-storey (442 feet tall!) wind turbine – and it compresses it all into a 3 minute video digest:

This video explains how a wind farm is built. It takes around 3 weeks to install a turbine. A wind turbine with 30 years working life will return its investment within 3 to 4 years.

Posted by Engineering World on Tuesday, May 5, 2015