10kW solar systems are on the massive side for residential installations (in which 5kW to six.6kW is way more typical). So as described higher than, 10kW systems tend to be most suitable for households or businesses with major quantities of daytime electricity consumption higher than 40kWh on a daily basis. https://medium.com/@solarsystemaustralia/the-comprehensive-guide-to-a-7-7kw-solar-system-in-western-australia-015e16fcfab4