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by grues-dinner 243 days ago
It would obviously be better in terms of per-panel efficiencies to be further south, but solar is still effective much further north than 40N. Nearly all of Europe from Madrid northward is higher latitude than that. And since Iowa has people there, the costs and losses of getting energy from Mexico to Iowa may outweigh much of the advantages for quite some time.

Assuming solar isn't displaced by something else, one day we'll presumably see highly insolated areas exporting power over huge interconnects, but for now, fitting a panel basically anywhere is still better than not fitting it at all.