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+)
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) |
Some states announce additional top-up incentives or concessional terms from time to time. These change frequently — verify the current position for Tamil Nadu with your DISCOM or the national portal before finalising budgets.
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. Some states offer additional top-ups or concessions; confirm the current position with your DISCOM (TNPDCL (TANGEDCO)).
- 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.