3 kW solar system price in India (2026)
A 3 kW rooftop system costs about ₹2.14 lakh with GST. With the PM Surya Ghar subsidy of ₹78,000, the family pays ₹1.36 lakh. It makes about 438 units a month and pays back in about 3.1 years.
3 kW price, line by line
| Solar panels | ₹88,290 |
| Inverter | ₹30,000 |
| Mounting structure | ₹18,000 |
| Cables, DCDB, ACDB, earthing | ₹16,500 |
| Installation labour | ₹12,000 |
| Net meter, DISCOM fees, transport | ₹6,000 |
| Installer's margin | ₹25,619 |
| GST 5% on 70% of the value on ₹1,37,486 | ₹6,874 |
| GST 18% on 30% of the value on ₹58,923 | ₹10,606 |
| Price with GST | ₹2,13,889 |
| PM Surya Ghar subsidy (paid to your bank later) | −₹78,000 |
| The family's own money | ₹1,35,889 |
2026 market averages from the same engine as the EPCoffice app. Your installer's brands and state change them — type your own rates in the calculator.
With subsidy or without
The subsidy needs DCR panels (cells made in India), which cost more. Without the subsidy the cheaper imported-cell panels are used.
| With subsidyDCR panels | Withoutnon-DCR panels | |
|---|---|---|
| Price with GST | ₹2,13,889 | ₹1,87,552 |
| Subsidy | −₹78,000 | — |
| You pay | ₹1,35,889 | ₹1,87,552 |
| Pays back in | 3.1 years | 4.4 years |
Other sizes
Business rooftop? See 25 kW, 50 kW or 100 kW. All sizes on one page: solar prices, 1–100 kW.
Questions about 3 kW solar
How much does a 3 kW solar system cost in India?
About ₹2.14 lakh with GST in 2026, for DCR panels, inverter, structure, wiring, installation and the net meter. After the PM Surya Ghar subsidy of ₹78,000 the family's own money is about ₹1.36 lakh.
How much subsidy is there for 3 kW under PM Surya Ghar?
₹78,000. The central subsidy is ₹30,000 per kW for the first 2 kW and ₹18,000 for the third kW, capped at ₹78,000 for a house. It needs DCR panels, a vendor registered on the portal and a net meter from the DISCOM; it is paid to the bank account after the inspection.
How many units does a 3 kW system make?
About 438 units a month at 4.8 units per kW a day (Jaipur). Across India it is 4 to 5.5 units per kW a day; a sunnier state makes more.
How much roof does 3 kW need?
About 27 m² of roof with no shade from tanks, stairs or trees, for 6 panels.
Which electricity bill suits a 3 kW system?
A monthly bill of about ₹3,300 to ₹4,000 (at ₹8 a unit). The calculator sizes it from your own bill.