Kerala is one of the first Indian states to adopt solar aggressively under Soura Scheme by KSEB (Kerala State Electricity Board). In 2025, households across Kochi, Trivandrum, Kozhikode, and Thrissur can benefit from PM Surya Ghar Muft Bijli Yojana with up to 60% subsidy on rooftop solar systems.
✅ Eligibility for Solar Subsidy in Kerala
- Residential consumers of KSEB.
- Must have rooftop ownership or written NOC from owner.
- Only KSEB empaneled vendors are eligible for subsidy installation.
📑 Documents Required
- Aadhaar card (linked with mobile number)
- Latest electricity bill (KSEB consumer ID)
- Bank account passbook copy
- Proof of property ownership / NOC
- Passport photo
💰 Subsidy Rates in Kerala (2025)
- Up to 3 kW: 60% subsidy (CFA)
- Above 3 kW – 10 kW: 40% subsidy
- Kerala provides extra support via Soura Scheme for certain categories, but primarily CFA is applicable for residential.
🔗 How to Apply for Solar Subsidy in Kerala
- Visit KSEB Soura Portal or PM Surya Ghar Portal.
- Register using Aadhaar + mobile OTP.
- Select an empaneled KSEB vendor.
- Upload required documents (Aadhaar, electricity bill, bank details).
- KSEB will conduct rooftop feasibility check.
- Vendor installs the rooftop solar system.
- Net meter installed & subsidy released to beneficiary’s account.
📊 Cost of Solar Installation in Kerala (2025)
| System Size | Approx. Cost (₹) | Subsidy (₹) | Net Cost (₹) |
|---|---|---|---|
| 1 kW | 51,000 | 30,600 | 20,400 |
| 2 kW | 1,00,000 | 60,000 | 40,000 |
| 3 kW | 1,48,500 | 88,800 | 59,700 |
| 5 kW | 2,47,500 | 1,22,000 | 1,25,500 |
⚡ Net Metering in Kerala
- Allowed for residential rooftop solar up to 10 kW.
- Surplus units exported to KSEB grid are adjusted in the next month’s bill.
- Annual settlement as per KSERC (Kerala State Electricity Regulatory Commission).
🏠 Example: 3 kW Solar in Kochi
- Avg. monthly generation: ~350–370 units
- Household bill before solar: ₹2,100–₹2,400
- After solar: ~₹100 service charge only
- Payback period: 4–5 years
❓ FAQs
Q1: Who manages solar rooftop subsidy in Kerala?
→ KSEB under Soura Scheme.
Q2: How much subsidy for 3 kW rooftop solar in Kerala?
→ About ₹88,800.
Q3: Can apartment residents apply?
→ Yes, through RWAs/associations with KSEB approval.
Q4: Is Aadhaar mandatory?
→ Yes, Aadhaar-linked mobile is required.
🚀 Conclusion & CTA
Kerala’s Soura Scheme + PM Surya Ghar Yojana makes rooftop solar highly affordable. With subsidies up to 60%, residents can enjoy free power for 25 years and recover investments within 4–5 years.

