Abstract: The present invention is vertical axis fluid flow turbine system for generating an alternative fuel. The turbines of the present invention are centered between at least two support structures so that the rotor holding the hub and the blades is perpendicular to the ground, rooftop, or the floor of a body of water and the axis of the blades coming from the hub are parallel to the ground, rooftop, floating structure, or the floor of a body of water. The turbines are secured to the support structures using struts. The struts are attached to each support structure and to the nacelle of each turbine. Attaching each turbine in this manner allows the turbines of the present invention to be stacked one on top of the other, that in turns minimizes the footprint of the vertical axis fluid flow turbine system.