3kW Solar Panel System Price in India (2026)
A 3kW solar system is the most popular choice for Indian homes (2-3 BHK). It comfortably runs 1 AC (1.5 Ton) along with standard lighting, fans, and a refrigerator.
Average Cost Break-up (Without Subsidy)
| Technology Type | Price Range (₹) | Best For |
|---|---|---|
| Polycrystalline (Budget) | ₹1,35,000 - ₹1,50,000 | Ample roof space |
| Mono PERC (High Efficiency) | ₹1,60,000 - ₹1,75,000 | Standard homes |
| Bifacial/TopCon (Premium) | ₹1,80,000 - ₹2,00,000 | Limited roof space |
PM Surya Ghar Subsidy (2026)
For a 3kW system, the residential subsidy is capped at a maximum of ₹78,000. This brings your net investment down significantly, cutting the ROI period to roughly 3-4 years.
How many panels do I need?
If you use modern 500W Mono PERC panels, a 3kW system requires 6 panels (500W x 6 = 3000W). It will occupy around 300 sq.ft of shadow-free roof area.