For Example, you could elect to purchase the solar system and pay out the associated fee in installments inside of a time period. In Washington, the payback time period is about seven – 9 yrs. A representative from a town federal government inspects your system and gives acceptance for interconnection. https://solarinstallerwesternaustralia.politics.blog/2025/03/12/why-solar-installation-in-wa-is-a-smart-investment/