|Gearbox being changed at a wind farm in Wexford with 2.5MW Nordex turbines. This wind farm was installed in 2013. (Source:www.windnoise.info)|
A new study by Irish engineer, John Dooley, based on information from Denmark, casts doubt on the lifetime of larger wind turbines. It has been assumed in most business plans and by most financiers that the lifetime of these turbines are 20 years, the same as the smaller older models. If this is not the case, there is trouble ahead for newer wind farms and their investors - only time will tell.
The report can be accessed here: