Free tool
Rooftop solar savings calculator
Enter your monthly electricity bill to estimate the plant size you need, the roof area it takes, CapEx payback and zero-investment RESCO savings.
Your indicative estimate
- Suggested plant size
- 115 kWp
- Roof area needed
- 11,500 sq ft
- Solar units a year
- 1,66,750
- About 69% of your consumption
RESCO · zero investment
Estimated saving a month
₹27,792 – ₹41,688
Investment: ₹0. Savings rise sharply after the free ownership transfer.
CapEx · you own it
Estimated saving a year
₹16.7 lakh
Investment ₹46.0 lakh – ₹57.5 lakh; payback about 2.8 – 3.4 years.
Indicative only. Assumes 1,450 units per kWp a year, 100 sq ft per kWp, CapEx of ₹40k–50k per kWp and a RESCO tariff 20–30% below grid. Your proposal will use your actual roof, load profile and tariff.
Get an exact proposal
Send your details and we'll turn this estimate into a site-specific feasibility report, free of charge.