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Electricity figure மட்டும் கட்டாயம் — மற்றவை optional
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Extracted from your bill
Units consumed
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Bill amount
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Billing period
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Recommended System
3 kWp Rooftop Solar
Grid-tied · Coimbatore · RCC roof
4.2
years payback
Your Investment
Gross system cost
₹2,25,000
PM Surya Ghar subsidy
− ₹78,000
Your actual outflow
₹1,47,000
Monthly Savings
Current bill (per month)
₹4,200
New bill after solar
₹310
Monthly saving
₹3,890
Annual saving
₹46,680
25-year total saving
₹11,67,000
Solar Offset
Your monthly consumption
580 kWh
Solar generation
495 kWh
Grid units remaining
85 kWh
Year-by-Year Recovery
These are estimates based on TN irradiance data and TANGEDCO tariffs.
Get a precise quote tailored to your roof.
* Estimates use 5.5 kWh/kWp/day irradiance (Tamil Nadu average), ₹75,000/kWp installed cost, and TANGEDCO current bi-monthly tariff slabs (₹2.25–₹6.40/unit). Actual savings depend on consumption patterns, roof orientation, and shading.