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World’s Biggest Solar Thermal Plant To Be Built In Saudi Arabia
(www.forbes.com)
This is a most excellent place for technology news and articles.
In the current list [yes photovoltaic and not thermal], that would theoretically make it the 8th largest solar power plant in the world, and this plant is meant to power an aluminum mill
https://en.wikipedia.org/wiki/List_of_photovoltaic_power_stations