Info from your Australian Bureau of Figures for the number of acceptable (freestanding and semi-detached) houses in Every single postcode is made use of. Once-a-year cost estimates suppose typical Electricity use of 4000kWh/12 months for a residential customer on just one price tariff. Value estimates exclude solar feed-in tariff credits. https://citypointsolar.com.au/reliable-residential-solar-panel-installation-in-perth/