A typical 3 kW rooftop solar system in Aralvaimozhi 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 Aralvaimozhi
Aralvaimozhi sits at the pass known for its wind farms; strong, steady wind affects solar structure design more than any other factor.
Who goes solar here
- Homes and farms in the wind corridor
- Small industries
- Institutions
Local installation tip
Demand wind-load calculations and proper anchor bolts, not just ballast, and check the bolts after the windy season.
Cost, subsidy and net metering in Aralvaimozhi
| 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.
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