Solar System Size Calculator for Indian Homes
Enter your monthly electricity bill or consumption to estimate the right solar system size, cost, subsidy, and savings.
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Recommended Solar System
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25 Year Savings
CO₂ Reduction
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Why This System Size?
How Are Savings Calculated?
Subsidy Information
Solar System Size Guide
Choosing the right solar system size depends on your monthly electricity consumption, available roof space, and energy requirements. The table below provides a general estimate of the recommended solar system size for Indian homes based on average monthly electricity usage.
Solar System Size Chart for Indian Homes
| Monthly Consumption (Units) | Recommended Solar System |
|---|---|
| 100–150 Units | 1 kW |
| 150–300 Units | 2 kW |
| 300–450 Units | 3 kW |
| 450–700 Units | 5 kW |
| 700–1000 Units | 7.5 kW |
| 1000–1400 Units | 10 kW |
| 1400+ Units | Custom Solar System |
This solar system size guide is intended for residential properties. Actual system requirements may vary based on location, sunlight availability, appliance usage patterns, and rooftop conditions. Using a solar panel calculator can help provide a more personalized estimate.
How Our Solar Panel Calculator Works
Our solar panel calculator estimates the ideal solar system size based on your monthly electricity consumption. By analyzing your energy usage, the calculator helps determine the recommended system capacity, expected power generation, rooftop space requirements, and potential savings.
Factors Considered in the Calculation
- Monthly Electricity Consumption – Higher energy usage generally requires a larger solar system.
- Solar Panel Capacity – The number and wattage of solar panels affect overall energy production.
- Average Sunlight Hours – Solar generation varies based on location and available sunlight.
- Available Roof Space – Adequate rooftop area is needed for solar panel installation.
- Energy Requirements – Household consumption patterns influence the recommended system size.
Why Use a Solar Calculator?
A solar calculator helps homeowners estimate how many solar panels may be required for their home before investing in a rooftop solar system. It provides a quick way to understand system sizing, expected energy generation, and the potential benefits of switching to solar electricity.
Solar System Cost and Subsidy Estimate
The cost of a solar system depends on factors such as system size, panel technology, inverter type, installation requirements, and location. In general, larger systems have a higher upfront cost but can generate more electricity and provide greater long-term savings.
Homeowners may also be eligible for government incentives under various rooftop solar programs. Available subsidy amounts can vary based on system capacity and current scheme guidelines. By using a solar system calculator, you can get an estimated system size and better understand the potential investment required for your home.
Typical Factors Affecting Solar System Cost
- Solar system capacity (kW)
- Type of solar panels
- Inverter specifications
- Roof structure and installation complexity
- Applicable solar panel subsidy programs
- Local electricity rates and energy consumption
For an accurate quotation, site assessment, and subsidy eligibility check, consult a professional solar installation company.