Solar ROI Calculator

Enter your electricity details to estimate your solar savings, payback period, and ROI.

Monthly Electricity Bill (₹)

Electricity Tariff (₹/kWh)

System Size (kW) — leave blank to auto-calculate

Cost per kW (₹)

Capacity Utilisation Factor — CUF (%)Typical: 14–17% rooftop, 18–22% ground mount

O&M Cost / Year (₹)

Project Life (years)

Model

Fill in your details and click Calculate

₹1.5 Cr

Annual Savings

3.5 years

Payback Period

18–22%

Annual ROI

₹25 Cr+

25-Year Savings