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'Solar leafs' outshine panels in UK breakthrough - Energy Live News
(www.energylivenews.com)
This is a most excellent place for technology news and articles.
You're assuming full production for 24 hours a day, I don't think that's likely. Maybe 8 hours of full production a day under optimal conditions? Still, ~200 liters a day of potable water seems quite big for a 5x5 area of solar panels.
Yeah, my bad. Your estimate seems more likely.