Rooftop solar · Kerala
Rooftop solar in Kerala: cost, subsidy & 25-year savings
Kerala homes on KSEB pay ₹3.25–₹9.20/kWh (telescopic slabs). Rooftop solar cuts that bill and earns government subsidies*of up to ₹78,000. Here's what it costs, what you save, and how to compare installers — no salesperson, no signup.
Indicative for a Kerala home on a ₹2,500/month bill (~2.77 kW, 6 panels). Not a quote — run your own numbers.
Government subsidy in Kerala
On this sample, you'd qualify for about ₹73,940 in central rooftop-solar subsidy* — up to ₹78,000 for a 3 kW system, applied as ₹30,000 + ₹30,000 + ₹18,000 tiers across the first 3 kW.
KSEB electricity tariff
Domestic Kerala homes pay ₹3.25–₹9.20/kWh (telescopic slabs). Solar offsets your most expensive units first, so the higher your bill, the faster it pays back.
View the latest KSEB tariff orderRate last verified 2026-05-16from the regulator's order.
* 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 Kerala — FAQ
How much does rooftop solar cost in Kerala?
For a typical Kerala 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.
What government subsidy can I get in Kerala?
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 across the first 3 kW). Subsidy amounts can change — always verify on the official portal before installing.
What is the KSEB electricity tariff?
Kerala homes on KSEB pay ₹3.25–₹9.20/kWh (telescopic slabs) (domestic LT). Solar offsets the highest-priced units first, which is why it pays back fastest for higher bills. Rate last verified 2026-05-16 from the regulator's tariff order.
What's the payback period on solar in Kerala?
On the sample above, payback is about 2.7 years, after which the system keeps generating for 20+ more years. Higher bills pay back faster.