Standard solar installs for households are designed to pay themselves off in 5 years. After that point they represent a net saving to the home owner. Source, A

Standard solar installs for households are designed to pay themselves off in 5 years. After that point they represent a net saving to the home owner. Source, Australian government via: https://www.energy.gov.au/solar/switch-solar-power/solar-households https://www.energy.gov.au/solar/switch-solar-power/solar-hou...