Where will it's Situated? Preferably the location will probably be shaded and shut towards the switchboard. If it’s not shaded, a canopy might be essential. Yearly value estimates think normal Power use of 4000kWh/year for your household buyer on just one amount tariff. Value estimates exclude solar feed-in tariff credits. https://citypointsolar.com.au/13-2kw-solar-system/