how long does it take for a windmill to pay for itself
However, a rough guesstimate can range from 2-10 years to pay back the investment. However, one should be careful to note here that a typical wind turbine will last for 25+ years. However, one would hope that in those 25 years there are no major repairs that need to be done to the turbine.Also, one would hope that it lasts at least 50+ years, but naturally with this kind of lifespan there will be some repairs needed.owever, one would hope that in those 25 years there are no major repairs that need to be done to the turbine. Also, one would hope that it lasts at least 50+ years, but naturally with this kind of lifespan there will be some repairs needed.