Solar Panel & Inverter Installation in Heidelberg West by Energy Reset
System Size: 9.68 kW
Panels: 22 × CSI Solar Co Ltd CS6R-440T (440W, IEC1000V, IEC 61215-2021)
Inverter: GoodWe Technologies Co Ltd GW10KAU-DT
Average Daily Production: ~25–55 kWh (seasonal variation)
Annual Bill (Before Solar): $4,955.72
Annual Bill (With Solar): $1,530.75
Annual Savings: ~$3,424.97 (↓69%)
Payback Period: 3–4 years
Net Present Value (20 years): $71,033.69
Total ROI (20 years): 615%
Internal Rate of Return (IRR): 33.4%