Rooftop solar · Thiruvananthapuram, Kerala
Rooftop solar in Thiruvananthapuram (Trivandrum): cost, subsidy & savings
Thiruvananthapuram has good solar potential outside the monsoon months. On KSEB's telescopic tariff, solar trims your higher slabs first and the central subsidy lowers the upfront cost. Independent homes install on their roof; flats need a society system. Homes on KSEB pay ₹3.25–₹9.20/kWh (telescopic slabs), and rooftop solar earns government subsidies*of up to ₹78,000. Here's what it costs and saves in Thiruvananthapuram.
Indicative for a Thiruvananthapuram home on a ₹2,500/month bill (~2.77 kW, 6 panels). Not a quote — run your own numbers.
Government subsidy in Thiruvananthapuram
On this sample you'd qualify for about ₹73,940 in central rooftop-solar subsidy* — up to ₹78,000 for a 3 kW system.
KSEBtariff & net metering
Thiruvananthapuram homes pay ₹3.25–₹9.20/kWh (telescopic slabs) on KSEB. Solar offsets your priciest units first, so higher bills pay back faster.
View the latest KSEB tariff orderRate last verified 2026-05-16from the regulator's order.
See the full state picture: Rooftop solar in Kerala →
* Government subsidies can change. Review the latest regulations on the official government portal before committing to a rooftop solar installation.
The scheme is actively funded. PIB reports ₹9,281 crore disbursed across ~57.9 lakh applications as of 2025-07 (source ). Last verified 2026-05-20.
Rooftop solar in Thiruvananthapuram — FAQ
How much does rooftop solar cost in Thiruvananthapuram?
For a Thiruvananthapuram home on a ₹2,500/month KSEB bill, a ~2.77 kW system costs about ₹1,52,594 before subsidy and ₹78,654 after. Your exact cost depends on your roof and installer — run the free estimate for figures based on your own home.
Is rooftop solar worth it in Thiruvananthapuram?
Thiruvananthapuram has good solar potential outside the monsoon months. On KSEB's telescopic tariff, solar trims your higher slabs first and the central subsidy lowers the upfront cost. Independent homes install on their roof; flats need a society system. On the sample above, payback is about 2.7 years, then 20+ years of near-free generation.
What subsidy can I get in Thiruvananthapuram?
Indian homeowners can claim up to ₹78,000 from the central government's rooftop-solar scheme on a 3 kW system (tiered ₹30,000 + ₹30,000 + ₹18,000). Subsidy amounts can change — verify on the official portal before installing.
Can I install solar on an apartment in Thiruvananthapuram?
Rooftop solar needs roof rights. In a multi-storey apartment the roof is shared, so an individual flat usually can't install its own panels — it takes a society-wide system the RWA approves. The figures here assume an independent rooftop.