For general interest, Western Australia's State Power company has a variety of battery application cases that it assists with; home batteries, community batteries, fully stand alone, microgrids (with batteries).

https://www.westernpower.com.au/resources-education/consumer...

https://www.wa.gov.au/organisation/energy-policy-wa/wa-resid...

West and South Australia are a fair way down the integrated renewables pathway with a high percentage of household rooftop solar, mixed rural PV farms, wind power, battery farms, etc.