As soon as your utility approves your interconnection, an installation generally lasts one to three times for residential rooftop; extended for ground mount. Invoice credits reset on March 31 of each year, however you won’t reduce any remaining credits. Rather, It can be credited to your account for later use. https://bestsolarpanelinstallersperth.blogspot.com/2025/03/total-solars-residential-solar-power.html