Large scale energy storage will be a key ingredient of a net zero electricity system. Grid-scale battery storage will help store surplus energy from various sources and dispatch it on demand when the needs are highest. But this emergent technology demands proactive acoustic consulting services. The tonal humming and buzzing of the high voltage electrical equipment can be disruptive to those nearby. Aercoustics is on the cutting edge of the planning and noise control for battery energy storage systems. We help guide clients through siting, equipment selection, and noise controls. Sites with solid noise controls will help protect the public and be a welcome addition to the local community and the entire province.