It seems pretty expensive. It has a 20 year life-spam, with costly maintenance in-between. And performance seems to decrease every year

At 10 years of life, blades and gearboxes are needing to be replaced already so it is unlikely they will make it another 10 years. The cost to teardown a single turbine is $200,000, not including any payback from selling or recycling valuable materials, ...

I honestly don't think this is a topic that cost should matter anyways. Just saying.