this post was submitted on 09 Apr 2024
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True, but there are also solar steam systems, using a parabolic mirror to focus the sun on a steam drum.
Arguably these are even greener than photovoltaics, since they don't require the same kinds of materials to make (mostly just steel) and last longer than photovoltaics are supposed to. They use a fair bit of water, but you probably aren't building them in places where water is at a premium.
I mean the main steam cycle solar plants are built in dry sunny hot regions, not exactly a great source of water, but probably not completely void of it either.