Arizona fire highlights challenges for energy storage

  • Source: KTVK-TV 3 (azfamily.com)
  • Published: 06/25/2019 12:00 AM

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. But an April fire and explosion at a massive battery west of Phoenix that sent eight firefighters and a police officer to the hospital highlighted the challenges and risks that can arise as utilities prepare for the exponential growth of the technology. With an investigation ongoing and no public word on the fire’s cause, the incident is being closely watched by energy storage researchers and advocates. “This is getting attention, and I think everyone realizes that too many safety incidents ... will be detrimental going forward,” said George Crabtree, director of the Joint Center for Energy Storage Research, a partnership of national laboratories, universities and companies funded by the U.S. Energy Department. “So I think it’s being taken very seriously.”



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