The quantity of energy you’ll need and what other sources of energy will be available play a huge role on whether solar makes sense for an application. Energy storage seems to be less of an issue to me. In a way, the more energy you use the less solar makes sense because you’ll have to rely on other sources regardless. Isn’t that the reason electric cars don’t have a solar panel on roof? It would contribute so little as a percent of total that it’s not worth it.
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