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by Julian Spector
September 15, 2017

Energy storage is like poker chips: You charge up when you have some extra money in your pocket and discharge when you need that cash back.

Feel free to use that next time you have to explain what you do to some inebriated souls at the craps table past the hour of midnight. The opportunity may have passed, though, because Solar Power International moves from Sin City to Disney City next year. 

Storage made a showing at SPI, like it does at any solar conference these days, but it couldn't help but be overshadowed by the solar industry's...