Enter your monthly usage and city — get instant estimates for system size, cost after subsidy, annual savings, and grid income.
Solar peak hours in Mumbai:5 hrs/day
Add 20% Future Buffer
For EVs, ACs, or growing usage
System Size
1.6
kilowatts
Solar Panels
4
× 400W each
Annual Savings
₹16K
Payback Period
2.5 yrs
then pure profit
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Gross Cost
₹1.8L
8 × 400W panels
After Subsidy
₹82K
− ₹94K subsidy
Annual Savings
₹17K
+ ₹6K grid
Payback Period
3.5 yrs
ROI after that
You'll export 2,155 units/year back to the grid
Earning ~ ₹6K/year via net metering @ ₹3/unit
5
years
Total savings
₹80K
+₹40K net profit
10
years
Total savings
₹1.6L
+₹1.2L net profit
25
years
Total savings
₹4.0L
+₹3.6L net profit
1.9T
CO₂ avoided
2,278
kWh clean energy
47
trees equivalent
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* Estimates based on ₹55,000/kW installed cost, ₹7/unit tariff, 5 peak sun hours in Mumbai. Actual figures may vary.