Arizona Public Service News

Report on Electric Storage Explosion Highlights Danger of a Growing Technology

An investigation into the cause of an explosion at an Arizona energy storage facility that injured four firefighters confirms what engineers had feared: Packing lithium-ion batteries tightly together can spark a chain reaction that can cause catastrophic damage and endanger …

Battery Maker Disputes APS Report on 2019 Explosion in Arizona

An Arizona utility and the South Korean battery maker LG Chem Ltd. are at odds over what caused an explosion at an energy-storage facility last year that left multiple fire fighters injured. A defective battery cell overheated, melting other nearby …