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June 25, 2019

Arizona fire highlights energy storage challenges

By JONATHAN J. COOPER
Associated Press

PHOENIX — Arizona's largest electric company installed massive batteries near neighborhoods with a large number of solar panels, hoping to capture some of the energy from the afternoon sun to use after dark.

Arizona Public Service has been an early adopter of battery storage technology seen as critical for the wider deployment of renewable energy and for a more resilient power grid.


 
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