[Rizzo]

The greenway garage turbines are almost never running. The chamfered corner was not a good idea. Had they placed them up and over the sidewalk (paid the city for air rights above the sidewalk) those things would be turning like crazy.

Winds in downtown Chicago reliably travel parallel to the buildings, they do not move diagonally at intersections. So those turbines are more sheltered than anything.

Small rooftop turbines are good. They are free of obstructions and easy to repair. Their smaller size does have a large enough impact on the building's structure.

Integrated turbines were a fad in the 2000's of placing large turbines between two buildings, or cutting a hole in the center for a turbine. It's best practice to avoid that nowadays because it's extremely costly to isolate supports for the turbine so the building structure is not damaged from vibration. They also can produce sounds audible to occupants on the interior and movement of the turbine can be uncomfortable to look at. Usually floors where the turbines are visible are unused or its integrated creatively so there are no direct sightlines.