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GST on solar

GST on solar, the 70:30 rule.

सोलर सिस्टम पर कितना GST लगता है? पूरा हिसाब।

Enter a system price, with or without GST. See the goods and services split and the GST on each.

This price is

GST, blended 8.9 %

₹12,905

Total with GST

₹1,57,905

before GST ₹1,45,000

Goods 70 %₹1,01,500 at 5 % = ₹5,075

Services 30 %₹43,500 at 18 % = ₹7,830

At the services rate on the whole price, GST would be ₹26,100. The split saves ₹13,195.

Estimates. Every rate used is listed with its date under Sources and dates, below.

The rule

Why solar GST is 8.9 %, not 18.

From 22 Sept 2025, solar devices pay 5 % and services 18 %. A system's value is taken as 70 % goods and 30 % services.

System, before GST

₹1,00,000

Goods ₹70,000 × 5 %

₹3,500

Services ₹30,000 × 18 %

₹5,400

GST, blended 8.9 %

₹8,900

Sources and dates(1)

Rates file as of 2026-09-27. 1 of 1 figures are verified against a primary source. 0 are not verified and are marked below.

  • GST on rooftop solar

    Solar devices 5% from 22 Sep 2025, services 18%. The 70:30 goods:services split gives a blended 8.9%. Provided as already-verified by the requester; not re-derived in this pass. Corrected the notification series from the site placeholder's 'Central Tax' to 'Integrated Tax' per the confirmed citation.

    CBIC Notification No. 9/2025-Integrated Tax (Rate)

    Effective 2025-09-22

    Verified
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