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There's no reason you can't power solar panel factories with solar panels (once you've bootstrapped the process of course, but that applies to any power source).

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You'd need a lot of land, and also need to put aside a proportion of your production (or profits) to cover those panels as they age.

When Europeans can buy 500W+ Trina panels for $150 shipped, something tells me this one-time investment isn't going to be too insurmountable.

Or like 450W panel for 74€ shipped, for example: https://www.leroymerlin.es/productos/energias-renovables/ene...

A proportion of revenue will going on acquiring power regardless of the source.

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