A typical 3 kW rooftop solar system in Karunagappally 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. KSEB net metering lets you offset your bill with your own generation.
Why solar works in Karunagappally
Karunagappally and the Alappad–Chavara coastal strip have large houses, expatriate-funded homes and commercial establishments with high consumption.
Who goes solar here
- Large family homes, many with NRI owners
- Commercial complexes and shops
- Coastal industries
Local installation tip
Backwater and coastal humidity corrode cheap hardware; choose hot-dip galvanised or aluminium structures.
Cost, subsidy and net metering in Karunagappally
| 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 KSEB. Read our KSEB net metering guide and the PM Surya Ghar subsidy guide. Not sure of your numbers? Use the solar calculator.
Nearby areas we cover
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