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Solar Panel Calculator

Calculate the right solar system size for your home in India. Enter your monthly electricity bill or consumption to get recommended kW capacity, panels needed, installation cost, payback period and 25-year savings.

India Subsidy25-Year Projection
☀️ Your Energy Details
/kWh
/kWp
% p.a.
📊 Solar Recommendation
Recommended System Size
kWp solar system
Panels (400W each)
Roof area needed (sq ft)
Install cost (after subsidy)
Payback period
Monthly generation (kWh)
Year 1 savings
Payback Progress
Break-even in — years
25-Year Projection
YearAnnual SavingsCumulative SavingsStatus