75 kW solar system price in India (2026)
A 75 kW rooftop system for a shop, school or factory costs about ₹30.33 lakh with GST. It makes about 10,950 units a month, saves about ₹98,550 a month, and with 40% accelerated depreciation pays back in about 2.8 years.
75 kW price, line by line
| Solar panels | ₹13,59,360 |
| Inverter | ₹3,75,000 |
| Mounting structure | ₹2,25,000 |
| Cables, DCDB, ACDB, earthing | ₹3,00,000 |
| Installation labour | ₹1,87,500 |
| Net meter, DISCOM fees, transport | ₹40,000 |
| Installer's margin | ₹2,98,423 |
| GST 5% on 70% of the value on ₹19,49,698 | ₹97,485 |
| GST 18% on 30% of the value on ₹8,35,585 | ₹1,50,405 |
| Price with GST | ₹30,33,173 |
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.
Tax and depreciation
A business can write off 40% of a solar plant's value in the first year (accelerated depreciation). At the 25.17% company tax rate that lowers the tax bill early, which is why the payback here is shorter than the price ÷ saving. Over 25 years the plant saves about ₹4.03 crore, a return of about 35.1% a year.
Change the tax rate in the calculatorOther sizes
For a house, see 3 kW, 5 kW or 10 kW. All sizes on one page: solar prices, 1–100 kW.
Questions about 75 kW solar
How much does a 75 kW solar plant cost for a business?
About ₹30.33 lakh with GST in 2026 (₹40,442 per kW) for panels, inverter, structure, wiring, installation and the net meter. There is no central subsidy for businesses.
How many units does 75 kW make?
About 10,950 units a month at 4.8 units per kW a day (Jaipur).
What is the payback of a 75 kW plant?
About 2.8 years at ₹9 a unit, counting 40% accelerated depreciation at 25.17% tax.
How much roof does 75 kW need?
About 525 m² of shade-free roof, for 128 panels.