Tesla CEO Elon Musk has said that the company is already achieving “good margins” on the residential Powerwall product, but that “some additional work is needed” for its utility-scale Megapack to do so.

Renewable energy developer Neoen last month published its plan for a new project in New South Wales, Australia, called the ‘Great Western Battery’ which will be among the country’s largest battery energy storage system facilities to date.

Ameren Missouri is planning three grid-scale solar facilities with energy storage, reportedly marking the first ever instance of an energy company in the US Mid-West state powering its customers’ homes with batteries.

Arizona Public Service (APS) announced Wednesday that rather than rebuild miles of electricity transmission lines, it will install two battery storage systems totalling 8MWh in rural Punkin Center, Arizona — making it one of the first electricity companies in the US to utilise batteries instead of traditional infrastructure.

Developer Deepwater Wind has applied to build a 144MW offshore wind farm, coupled with 40MWh of battery-based energy storage from Tesla, off the coast of Massachusetts.

A remote town in Canada which lies 55km away from the nearest electrical substation, was supplied with a battery system aimed at shoring up the reliability of its electricity supply.