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Solar ROI & PM Surya Ghar Subsidy Calculator

Accurately forecast daily generation, annual electricity bill savings, official government subsidies, and system payback across Gujarat and India.

INTERACTIVE SOLAR ROI & SAVINGS ESTIMATOR

Calculate Solar Generation & Savings

Estimate potential generation capacity, roof area requirements, and subsidy under PM Surya Ghar Muft Bijli Yojana.

Establishment Type:
Monthly Electricity Bill: ₹4,500
₹1,000 / mo ₹30,000 / mo ₹60,000+ / mo
Gujarat Rooftop Benchmark:

Gujarat receives ~300 sunny days annually. A 1 kW system produces ~120-130 units per month, delivering an estimated payback of ~3 years.

Estimated System Yield

Calculated based on standard irradiance conditions in Western India

Recommended Capacity
3.5 kW
Annual Savings
₹37,800
PM Surya Ghar Subsidy
₹78,000
Estimated Roof Area
350 sq.ft
Estimated Payback
3.2 Years
25-Year Estimated Lifetime Value: Cumulative returns over system life
₹8.50 Lakhs
*Figures are illustrative estimates. Final sizing requires site shadow analysis and sanctioned DISCOM load.