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by diogenescynic 2540 days ago
Owners of the malls would still hold the rights to the roof, not the occupants of stores, so you’d just have to pay them enough that it’s worthwhile for the owners. However, I like the idea of requiring it for new developments over X square footage.
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FWIW, California is requiring solar on new homes, in 2020:

https://fortune.com/2018/12/06/california-solar-panels-new-h...

Maybe not as cheap as large-scale solar, but cheaper than natural gas?