Solar panels — 80% of which are made in China — are so cheap that they're now being used to line garden fences in Germany and the Netherlands, the Financial Times reported on Tuesday.
They can actually be more efficient. They can reflect heat remaining cooler and not be essentially thermally throttled. You can also put them in a denser array
Vertically installed solar panels are actually not a bad idea in some places so the headline is a bit misleading.
They link out to this which imo is the real story
https://www.pv-magazine.com/2024/01/16/solar-fences-stand-out-in-australian-market-simulation/
TLDR solar fences work pretty well
They can actually be more efficient. They can reflect heat remaining cooler and not be essentially thermally throttled. You can also put them in a denser array