If our wind turbine farms have become, in a few decades, a real industrial challenge, but also a political symbol of energy transition, the future of small domestic wind turbines, could well come to an end. Inventory. Yes, the majority of mini wind turbines are failures or rip-offs. Because the almost systematic absence of study of the wind potential of the place, yet essential to establish the power of the turbine, its starting speed and the minimum height of the mast.