Mildura RSL Carpark - Solar Canopies Solar Panels and Shade Sail Structures Utilizing Solar panel structures to provide an off the grid solution to the Cubs power consumption, creates another solution in providing shading to the entire car park area for patrons. Design Bu using a “butterfly” structured portal frame, the design emulates the design principles of the main building, as well as utilizing a bespoke portal frame element, to eliminate surface connection areas. This “frees up” circulation to the underside of the structures and minimizes opportunity for impact collision