Rooftop solar in Australia typically costs about $2,710 per kW installed, and household electricity is around $0.405 per kWh. The average sunshine is about 5.4 peak sun hours a day.
As a rough example, a 5 kW home system would cost about $15,590, make around 7,391 kWh a year, and save about $2,993 a year. That is a payback of roughly 5.2 years.
Rooftop solar
For homes and businesses. Size, cost, savings and payback.
Open rooftop calculatorSolar plant
For larger projects. Project returns and break-even price.
Open plant calculatorThese are typical estimates, not quotes. Replace them with real quotes before you decide anything.