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Probe launched into Arizona BESS explosion

Tue, 04/23/2019 - 17:44 -- John Shepherd
Probe launched into Arizona BESS explosion

An investigation is under way after an explosion at a lithium-ion grid-scale battery storage facility in the US operated by the Arizona Public Service (APS) utility.

APS told BEST Battery Briefing today several firefighters and a police officer needed hospital treatment as a result of the “catastrophic failure” of the 2MW/2MWh system at its McMicken facility in the city of Surprise, Arizona.

Firefighters were called to the site after smoke was discovered at the site on 19 April, an APS spokesperson told BBB. The explosion occurred about three hours after first responders arrived.

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