Rooftop Solar Subsidy in Tamil Nadu
What residential consumers in Tamil Nadu can claim under PM Surya Ghar, how the application flows through your DISCOM, and what a rooftop system will actually generate at your latitude.
5.3 h
avg. peak sun hours / day
~126
units / kW / month
₹78,000
max central subsidy (3 kW+)
PM Surya Ghar subsidy window: 31 March 2027
The ₹78,000 central residential subsidy is sanctioned through the end of FY 2026-27 (31 March 2027). Apply and get commissioned well before this date — an extension is possible but not assured.
As of July 2026 — confirm the current position on pmsuryaghar.gov.in.
Central Subsidy Structure (National)
The PM Surya Ghar: Muft Bijli Yojana subsidy is uniform across India, including Tamil Nadu. It is credited directly to the applicant’s bank account after commissioning and inspection.
| System capacity | Central assistance |
|---|---|
| First 2 kW | ₹30,000 per kW |
| Third kW | ₹18,000 per kW |
| Above 3 kW | No additional central subsidy (max ₹78,000) |
Tamil Nadu State Subsidy — On Top of the Central Amount
As of February 2026, Tamil Nadu has no widely-documented additional state top-up beyond the national PM Surya Ghar subsidy — so a 3 kW+ home receives up to ₹78,000. State incentives are announced and revised from time to time; confirm the current position with TEDA (Tamil Nadu Energy Development Agency) or your DISCOM before budgeting. We update these pages as verified schemes change.
TEDA (Tamil Nadu Energy Development Agency)Subsidy information verified February 2026. Schemes and amounts change frequently — always confirm with the official state portal or your DISCOM before making a purchase decision.
Electricity Distribution Companies in Tamil Nadu
Your rooftop application is processed by the DISCOM that serves your connection. In Tamil Nadu, the principal distribution company is:
What Will a System Generate in Tamil Nadu?
At Tamil Nadu’s typical solar resource of ~5.3 peak sun hours per day and a realistic 78% performance ratio, each kW of rooftop solar produces about 126 units/month (1,509 units/year). A common 3 kW residential system therefore generates roughly 378 units/month — compare that against your electricity bill to gauge coverage.
How to Apply from Tamil Nadu
- 1Register on the national portal (pmsuryaghar.gov.in) with your electricity consumer number and DISCOM details.
- 2Submit the online application; the DISCOM reviews technical feasibility for your connection.
- 3After feasibility approval, install the system through any registered vendor of your choice.
- 4Apply for net metering; the DISCOM inspects the plant and installs the net meter.
- 5Submit the commissioning report and bank details — the central subsidy is credited directly to your account, typically within 30 days.
Frequently Asked Questions
- How Much Solar Subsidy Can I Get in Tamil Nadu?
- The central PM Surya Ghar subsidy is the same nationwide: ₹30,000/kW for the first 2 kW and ₹18,000 for the third kW — up to ₹78,000 for a 3 kW+ residential system. As of February 2026, Tamil Nadu has no widely-documented additional state top-up; confirm the latest position with TEDA (Tamil Nadu Energy Development Agency) before finalising.
- How Much Electricity Will 1 kW of Solar Generate in Tamil Nadu?
- At roughly 5.3 peak sun hours per day and a typical 78% performance ratio, expect about 126 units per month (≈ 1,509 units per year) per kW of installed capacity.
- Which DISCOM Handles Rooftop Solar Applications in Tamil Nadu?
- TNPDCL (TANGEDCO). Applications route through the national PM Surya Ghar portal, which forwards them to your DISCOM for feasibility approval and net metering.