With a peak capacity of only 13.5kW, the CPV module that will be floated out and wired into a Tata Power hydropower dam near the Indian city this year may look like small beer.

Yet the potential of Australian company Sunengy's Liquid Solar Array (LSA) concept is said to be vast, eventually making it possible to ramp up production from the world's large hydro plants by hundreds of gigawatts.

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