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Re:Simple, solar-powered water desalination by bufferoverflow on Saturday February 08, 2020 @05:09AM (#22275014)
> Say solar panels cost $2 per watt

Not for a large desalination project. You will pay close to the spot price. Which is 30-45 cents.

Your biggest cost will be labor anyway. And the osmosis membrane, which needs to be regularly replaced, unlike the panels.

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