A typical 3 kW rooftop solar system in Nagercoil costs roughly ₹1.7–2.1 lakh before subsidy; homes can receive up to ₹78,000 under PM Surya Ghar, bringing net cost to around ₹1.0–1.3 lakh, and the system usually pays back in 3.5–5 years. TNPDCL net metering lets you offset your bill with your own generation.
Why solar works in Nagercoil
Nagercoil is the district's commercial and educational centre, with numerous mission schools, colleges, hospitals and churches — ideal for 20–100 kW institutional projects.
Who goes solar here
- Mission schools, colleges and hospitals
- Large churches and charitable trusts
- Homes and shops across the city
Local installation tip
Institutional roofs often have sheet or asbestos sections — structural audits and approved mounting are essential; asbestos roofs need specialist handling.
Cost, subsidy and net metering in Nagercoil
| System | Typical roof area | Indicative cost | Home subsidy | Approx. yearly output |
|---|---|---|---|---|
| 2 kW | ~215 sq ft | ₹1.2–1.4 lakh | ₹60,000 | ~2,900 units |
| 3 kW | ~320 sq ft | ₹1.7–2.1 lakh | ₹78,000 | ~4,400 units |
| 5 kW | ~540 sq ft | ₹2.8–3.4 lakh | ₹78,000 | ~7,300 units |
Grid connection and net metering are handled by TNPDCL. Read our TNPDCL net metering guide and the PM Surya Ghar subsidy guide. Not sure of your numbers? Use the solar calculator.
Nearby areas we cover
Get matched with a verified installer in Nagercoil
We introduce you to installers who actively serve Nagercoil, explain how their quotes compare, and track your subsidy and net-metering application.


