There are so many public spaces that would benefit from more shade, where the cost of building that shade could be offset significantly by having solar panels o

There are so many public spaces that would benefit from more shade, where the cost of building that shade could be offset significantly by having solar panels on the top. I'm thinking about things like public parks, car parks, open-air malls, etc. I am increasingly seeing this exact thing put into practice, but it kind of blows my mind that the uptake has been so slow.