West Bengal is boosting rooftop solar adoption through West Bengal Renewable Energy Development Agency (WBREDA). Under the PM Surya Ghar Muft Bijli Yojana 2025, households can claim up to 60% subsidy on rooftop solar. With rising electricity costs in Kolkata and other cities, solar has become a smart long-term investment.
✅ Eligibility for Solar Subsidy in West Bengal
- Residential households connected to:
- CESC Limited (Kolkata & Howrah)
- WBSEDCL (rest of West Bengal)
- Rooftop ownership proof or NOC required.
- Must install from WBREDA empaneled vendors only.
📑 Documents Required
- Aadhaar card (linked with mobile number)
- Latest CESC/WBSEDCL electricity bill
- Property proof or landlord’s NOC
- Bank details for subsidy transfer
- Passport size photo
💰 Subsidy Rates in West Bengal (2025)
- Up to 3 kW: 60% subsidy (CFA)
- Above 3 kW to 10 kW: 40% subsidy
- No additional state-level subsidy in West Bengal (only central).
🔗 How to Apply for Solar Subsidy in West Bengal
- Visit WBREDA official site or PM Surya Ghar portal.
- Register using Aadhaar + mobile OTP.
- Select a vendor from WBREDA’s empaneled list.
- Upload Aadhaar, property proof, and electricity bill.
- Site inspection by CESC/WBSEDCL.
- Rooftop solar installation by vendor.
- Net meter installed by DISCOM.
- Subsidy credited directly to your bank account.
📊 Cost of Solar Installation in West Bengal (2025)
| System Size | Approx. Cost (₹) | Subsidy (₹) | Net Cost (₹) |
|---|---|---|---|
| 1 kW | 53,000 | 31,800 | 21,200 |
| 2 kW | 1,00,000 | 60,000 | 40,000 |
| 3 kW | 1,45,000 | 87,000 | 58,000 |
| 5 kW | 2,40,000 | 1,20,000 | 1,20,000 |
⚡ Net Metering in West Bengal
- Rooftop solar net metering available up to 10 kW for households.
- Units exported → adjusted in monthly CESC/WBSEDCL bill.
- Settlement period = 12 months.
- Regulated by West Bengal Electricity Regulatory Commission (WBERC).
🏠 Example: 3 kW Solar in Kolkata
- Avg. generation: ~360 units/month
- Avg. bill: ₹2,200–₹2,500
- After solar: Almost zero bill (except fixed charges)
- Payback period: ~4 years
❓ FAQs
Q1: Which agency manages rooftop solar in West Bengal?
→ WBREDA (West Bengal Renewable Energy Development Agency).
Q2: How much subsidy is available for 2 kW solar in West Bengal?
→ Around ₹60,000.
Q3: Can CESC customers in Kolkata apply?
→ Yes, both CESC & WBSEDCL consumers are eligible.
Q4: How is subsidy transferred?
→ Directly to your bank account after system commissioning.
🚀 Conclusion & CTA
West Bengal offers high solar savings potential, especially in Kolkata, Durgapur, and Siliguri. With up to 60% subsidy under PM Surya Ghar Yojana, households can reduce electricity costs and enjoy reliable power.
