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comment by Nepotist
Nepotist  ·  2032 days ago  ·  link  ·    ·  parent  ·  post: Solar panels replaced tarmac on a motorway — here are the results

And it's not just the positioning of the panels. Designing solar panels to withstand the abuse of a roadway means they're going to be way more expensive to produce. So even if roadways were somehow as good of a place for solar panels, it's still far less economical.

The only way this makes sense is if you have nowhere else to put the panels, but in the areas where the has been tried (USA and Australia), there is an abundance of space for solar installations.