According to power  companies the life time of a wind turbine is about 20 years. But in reallity after about 10 years of life blades and cells need to be replaced, so it’s unlikely they’re going to get 20 years out of these turbines. One big question is how much money is being set aside for the inevitable decommissioning costs associated with removing aging, unprofitable and just plain worn out wind turbines. In the US it is estimated that the tear-down cost of a single modern wind turbine, which can rise from 75 to 150 m above the ground, at $200,000. Who is going to pay for this?

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