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Greentech Media
May 25, 2017, 1:49 pm189 ptsTrendingWith two grid-scale batteries newly in place, Arizona Public Service is learning the elements of energy storage operation that you can't read in a book. The utility is using the pair of 2 megawatt / 2 megawatt-hour lithium-ion battery systems from AES to test how the technology performs in the desert climate of…
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