Exactly Where will it's Found? Ideally The placement will be shaded and close to your switchboard. If it’s not shaded, a cover can be necessary. Yearly price estimates presume general Electricity use of 4000kWh/year for the household customer on only one fee tariff. Rate estimates exclude solar feed-in tariff credits. https://citypointsolar.com.au/why-installing-a-100kw-solar-system-in-perth-is-a-smart-move-for-businesses/