“Whiskey is for drinking; water is for fighting over.” Often attributed to Mark Twain, whoever said that seemed to have quite a bit of foresight, something the mainstream cleantech community is only recently warming up to.  The fights over water use facing utility scale solar thermal projects in the desert Southwest may have a lot to do with opening the eyes of the clean-tech community, but the sector’s challenges and opportunities are much broader than that, as scores of Californians, Middle Easterners, and Australians will attest.  So why, with the problems so immediate and demand remaining strong in the $58 billion annual market for water technologies, has clean tech venture investment declined since 2005?

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GE just invested in them. Now, Guy Sella, founder and CEO of Israeli company SolarEdge, is planning a revolution. Don’t be alarmed though, this one isn’t dangerous. His goal is to transform the way photovoltaic systems are now operated, in terms of efficiency, safety and cost.

“People haven’t been looking at photovoltaic systems from a holistic point of view,” Sella tells ISRAEL21c. “Panel manufacturers care only about the panels and panel conversion efficiency. The people that develop classical inverters only care about the efficiency of the inverter. I asked: can we create a system that is better than we currently have?”

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