3kW vs 5kW Solar System Comparison
Choosing the right solar system size is crucial. Here's a detailed comparison to help you decide.
Quick Comparison
| Feature | 3 kW System | 5 kW System |
| --------- | ------------- | ------------- |
| Daily Generation | 12-15 units | 20-25 units |
| Monthly Generation | 360-450 units | 600-750 units |
| Roof Space | 200-250 sq ft | 350-400 sq ft |
| Cost (Before Subsidy) | ₹1.8-2.1 lakh | ₹3.0-3.5 lakh |
| Cost (After Subsidy) | ₹1.0-1.3 lakh | ₹2.2-2.7 lakh |
| Monthly Bill Savings | ₹2,000-3,000 | ₹3,500-5,000 |
| Payback Period | 4-5 years | 4.5-5.5 years |
When to Choose 3kW
- Monthly electricity bill: ₹2,000 - ₹4,000
- Small to medium homes (2-3 BHK)
- Limited roof space
- Budget-conscious installation
When to Choose 5kW
- Monthly electricity bill: ₹4,000 - ₹7,000
- Large homes (3-4 BHK)
- Multiple ACs and appliances
- Future-proofing for EV charging
Our Recommendation
For most Indian households, a 3kW system provides the best balance of cost and savings. However, if you plan to add an EV or more appliances, investing in a 5kW system now saves money in the long run.
Contact us for a free consultation to determine the ideal system size for your home.