Home rooftop · 2026 price

1 kW solar system price in India (2026)

A 1 kW rooftop system costs about ₹76,306 with GST. With the PM Surya Ghar subsidy of ₹30,000, the family pays ₹46,306. It makes about 146 units a month and pays back in about 3.2 years.

Price with GST₹76,306
PM Surya Ghar subsidy−₹30,000
You pay₹46,306
Units a month146
Saving a month₹1,168
Pays back in3.2 years
Panels2 × 545 Wp
Shade-free roof9 m²

1 kW price, line by line

Solar panels₹29,430
Inverter₹10,000
Mounting structure₹6,000
Cables, DCDB, ACDB, earthing₹5,500
Installation labour₹4,000
Net meter, DISCOM fees, transport₹6,000
Installer's margin₹9,140
GST 5% on 70% of the value on ₹49,049₹2,452
GST 18% on 30% of the value on ₹21,021₹3,784
Price with GST₹76,306
PM Surya Ghar subsidy (paid to your bank later)−₹30,000
The family's own money₹46,306

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 panelsWithoutnon-DCR panels
Price with GST₹76,306₹67,527
Subsidy−₹30,000—
You pay₹46,306₹67,527
Pays back in3.2 years4.8 years
See it without subsidy in the calculator

Other sizes

1 kW2 kW3 kW4 kW5 kW6 kW8 kW10 kW

Business rooftop? See 25 kW, 50 kW or 100 kW. All sizes on one page: solar prices, 1–100 kW.

Questions about 1 kW solar

How much does a 1 kW solar system cost in India?

About ₹76,306 with GST in 2026, for DCR panels, inverter, structure, wiring, installation and the net meter. After the PM Surya Ghar subsidy of ₹30,000 the family's own money is about ₹46,306.

How much subsidy is there for 1 kW under PM Surya Ghar?

₹30,000. 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 1 kW system make?

About 146 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 1 kW need?

About 9 m² of roof with no shade from tanks, stairs or trees, for 2 panels.

Which electricity bill suits a 1 kW system?

A monthly bill of about ₹1,200 to ₹1,400 (at ₹8 a unit). The calculator sizes it from your own bill.