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Solar Power Tower
(media.piefed.zip)
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this post was submitted on 26 Jul 2026
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My understanding is that these are more expensive and less efficient than PVs but they can store the energy as heat. Still, not a surprise they havent taken off.
The costs associated with photovoltaic systems have decreased significantly in the past fifteen years or so, and I would say they are the competitor to solar thermal systems.
As well as storing heat, they can be used for thermal desalination at the same time as power generation. I haven't seen a breakdown in costs of this system versus something like reverse osmosis, so I can't really say if it's better or worse, but I'm sure there's places that find it useful to have a combined solution to water and power.