solar-calculator

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SPVToday

Smart rooftop solar sizing and savings estimation

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Solar Rooftop Calculator

Enter project details to estimate recommended solar capacity, inverter size, project cost, and savings.

Customer Details
Search and pin the project location. Add your Google Maps API key in plugin settings.
Project Details
Rooftop Design Input

How the calculator works

  • Recommended capacity = lower of area-based capacity and sanction load.
  • Area-based sizing uses 8 sqm per kW.
  • Project cost is auto-calculated using your slab rates.
  • Inverter size is selected from the nearest practical standard size.

Pricing slabs used

1 to 5 kW₹50,000 / kW
6 to 10 kW₹40,000 / kW
11 to 100 kW₹35,000 / kW
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