Solar Power Calculator kWh India
Plan your rooftop system with state-wise sunlight assumptions. This solar power calculator kwh india tool helps you estimate kWh generation, bill savings, and payback before installation.
System Configuration
Formula Snapshot
Daily generation = System Size x Peak Sun Hours x 0.78.
State Variation
Sunlight differs by climate and latitude, so Gujarat and Rajasthan can show higher kWh than cloudy coastal zones.
This solar power calculator kwh india page is built for practical rooftop planning. Enter your monthly usage, state, and tariff to estimate generation in kWh and monthly savings before requesting installer quotes. It is especially useful for homeowners comparing 2 kW, 3 kW, and 5 kW systems across Indian climates.
How to Use This Calculator
Enter monthly consumption
Take your average electricity usage in kWh from the last 3 to 6 bills for a stable baseline.
Choose your state and system size
Select your state to apply realistic sunlight hours, then set your planned rooftop solar capacity in kW.
Set tariff per unit
Enter the effective cost per unit in rupees from your electricity bill to estimate direct savings.
Compare generation, savings, and payback
Read daily and monthly generation, annual savings, coverage percentage, and estimated investment recovery period.
Reference Output Ranges
| System Size | Typical Generation | Monthly Range | Best Fit |
|---|---|---|---|
| 1 kW | 3.5-5.0 kWh/day | 105-150 kWh/month | Small 1BHK or partial daytime load |
| 2 kW | 7.0-10.0 kWh/day | 210-300 kWh/month | 2BHK with moderate appliances |
| 3 kW | 10.5-15.0 kWh/day | 315-450 kWh/month | Typical urban family home |
| 5 kW | 17.5-25.0 kWh/day | 525-750 kWh/month | Larger homes or heavy AC usage |
Frequently Asked Questions
Build Your Full Home Energy Plan
Combine solar output estimates with financing and investment planning to decide the best installation size and timeline.