Solar panel cost in Thiruvananthapuram
The short answer
A 3 kW rooftop system in Thiruvananthapuram costs about ₹1,74,000 installed and ₹96,000 after the ₹78,000 subsidy, generating roughly 336 units a month. Against Thiruvananthapuram’s average tariff of ₹6.4/unit, that cuts about ₹2,150 off the bill monthly, with payback in roughly 3.7 years.
- electricity supplier
- KSEB
- electricity supplier
- avg tariff ₹/unit
- ₹6.4
- avg tariff ₹/unit
- units per kW monthly
- 112
- units per kW monthly
Kerala: Kerala's Soura scheme adds a state subsidy on top of PM Surya Ghar for eligible households.
Solar system prices in Thiruvananthapuram (after subsidy)
Live pricing at the ₹58,000/kW benchmark with the PM Surya Ghar subsidy applied. Treat any quote far below this table with suspicion — and any quote far above it as a negotiation.
| System | Before subsidy | Subsidy | Net cost | Generation/mo | Saves/mo | Payback |
|---|---|---|---|---|---|---|
| 1 kW | ₹58,000 | −₹30,000 | ₹28,000 | 112 units | ₹717 | 3 yrs |
| 2 kW | ₹1,16,000 | −₹60,000 | ₹56,000 | 224 units | ₹1,434 | 3 yrs |
| 3 kW | ₹1,74,000 | −₹78,000 | ₹96,000 | 336 units | ₹2,150 | 4 yrs |
| 5 kW | ₹2,90,000 | −₹78,000 | ₹2,12,000 | 560 units | ₹3,584 | 5 yrs |
| 10 kW | ₹5,80,000 | −₹78,000 | ₹5,02,000 | 1120 units | ₹7,168 | 6 yrs |
Savings assume full offset of your consumption via KSEB net metering at ₹6.4/unit.
The full 3 kW breakdown for Thiruvananthapuram →Nearby in Kerala
Understand the numbers
Solar in Thiruvananthapuram: your questions, answered straight
What does a 3 kW solar system cost in Thiruvananthapuram?
Roughly ₹1,74,000 before subsidy at current rates. The PM Surya Ghar subsidy returns ₹78,000, taking the net to about ₹96,000. Quotes vary ±10–15% with panel brand, structure height and wiring runs — ask for the itemised difference.
How much subsidy can a Thiruvananthapuram home claim?
The central subsidy: ₹30,000 per kW for the first 2 kW, capped at ₹78,000 for systems of 3 kW or more. It applies to residential systems installed through a national-portal-registered vendor, and reaches your bank account after KSEB inspects and commissions the system.
How many units does 1 kW generate in Thiruvananthapuram?
About 112 units a month — roughly 3.7 units a day — depending on season, orientation and shade.
How does net metering work with KSEB?
Your installer files the net-metering application after you sign. KSEB reviews feasibility, replaces your meter with a bidirectional one, and commissions the system. From then on, exported solar units offset the grid units you consume at night.
Is solar worth it in Thiruvananthapuram?
At Thiruvananthapuram’s average tariff of ₹6.4/unit and 112 units per kW monthly, homes with bills above ₹2,000–3,000 typically recover the investment in 3–5 years.