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I was curious if panels are cheap enough now to mount them facing east and west, to generate more power in the morning and evening when fix sky-facing panels are tapering, but it turns out it is not necessary. You get a solar panel that generates from either side (bifacial) and mount it vertically as a fence running north to south.

I could see these being used as permanent snow fences down the western edges of north-south highways in the Midwest.

https://en.m.wikipedia.org/wiki/Bifacial_solar_cells