Something strange about the Watchtree turbine

 

Having said that the Watchree Vestas were 660kW, I noticed that the sticker on the new display turbine mechanism claims 1300kW and that it dates from November 2017. Questions to look into are 1. How long do the working parts of a wind turbine generator last? 2. Were the turbines upgraded or do you always fit a turbine with a higher spec on its name plate?