Offgridders for decades added #vertical_axis windmills these extract 10× more per footprint than the windfarm giants

So, a roofpeak or nearby hill or field usually ok for 1.5-5kw popular as spirals, many run DC no inverter on most amps saving the loss & 120ac what needs to be on inverters

Dabiri, 2007, his engr class talk theory and fileld tests, 40;22,Fwiw
#vertical_axis
#vertical_axis