Solar Cost for a 3BHK Home in India (2025 Guide)
A 3BHK home in India typically consumes 350–650 units/month.
Here’s the complete solar cost estimate for different system sizes.
Solar Cost for a 3BHK Home
| System Size | Price (₹) | Monthly Savings |
| 3kW | ₹1,30,000–₹1,60,000 | ₹2,500–₹3,500 |
| 5kW | ₹2,15,000–₹2,60,000 | ₹4,000–₹8,000 |
| 7kW | ₹3,00,000–₹3,80,000 | ₹6,000–₹12,000 |
Which System Is Best for 3BHK?
If you use 1 AC → 3kW
If you use 2 ACs → 5kW
If you use 3 ACs → 7kW+
Payback Period
Most 3BHK homes recover solar cost in 3–4 years.
Subsidy for 3BHK Homes
Up to ₹78,000 subsidy on rooftop systems.
