Solar Calculator

Enter your average monthly electricity bill and see the system size, cost after subsidy, savings and payback for your property.

Your electricity usage

All parameters below are maintained by our engineering team and reflect current market prices and the prevailing subsidy scheme.

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Leave at "Auto" and we will size the plant from your bill.

Current pricing slabs used in this calculator
PropertyCapacity rangeRate per kW
Commercial 0 - 10 kW ₹55,000
Commercial 10.01 - 50 kW ₹48,000
Commercial 50.01 - 1000 kW ₹44,000
Industrial 0 - 50 kW ₹46,000
Industrial 50.01 - 5000 kW ₹42,000
Residential 0 - 3 kW ₹65,000
Residential 3.01 - 10 kW ₹57,000
Residential 10.01 - 100 kW ₹52,000
SubsidyCapacityBenefit
PM Surya Ghar - 1 kW 1 - 1.99 kW ₹30,000
PM Surya Ghar - 2 kW 2 - 2.99 kW ₹60,000
PM Surya Ghar - 3 kW and above 3 - 1000 kW ₹78,000

How this estimate is calculated

  • Generation assumption4 units / kW / day
  • Generation days per year360
  • Roof area per kW80 sq ft
  • Panel wattage used580 Wp
  • Annual degradation0.5%
  • Tariff escalation3% per year
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