Solar Loan in India: Best Banks, Interest Rates & How to Apply

Solar loans in India are available from major banks at 7–10% interest with tenures of 3–10 years. SBI's Surya Shakti loan offers the best rates starting at 7.00%. These are classified as priority sector loans, so approval rates are high and processing is fast — typically 7–15 days. Most banks finance 80–100% of the system cost, and your monthly EMI is almost always less than your current electricity bill.

A solar loan lets you go solar with zero or minimal upfront cost while your electricity savings cover the EMI. Here is the math for a typical 3kW system:

• System cost after subsidy: ₹1,40,000
• Loan EMI (7 years at 8%): ₹2,180/month
• Monthly electricity savings: ₹2,500–₹4,000
• Net monthly benefit: ₹320–₹1,820 savings from day one

After the loan is repaid in year 7, you get free electricity for the remaining 18+ years of the system's life. This makes solar one of the few investments where you start saving before you finish paying.

→ Back to Solar Financing overview

The solar loan application process is straightforward. Most installers help you through it.

1. Get solar quotes — Get 2–3 quotes from verified installers via Solar Vipani. The quote serves as your cost estimate for the bank.
2. Choose your bank — Compare rates and tenures. Visit your branch or apply online (SBI, HDFC offer online applications).
3. Submit documents — Identity proof, address proof, income documents, electricity bill, and the installer quotation. Full document checklist →
4. Bank verification — The bank may conduct a site visit or telephonic verification. Processing takes 7–15 days.
5. Loan sanction — Sanction letter issued with loan amount, tenure, and EMI schedule.
6. Disbursement — Most banks disburse directly to the installer after you sign the agreement. Some disburse in two tranches — 70% upfront and 30% after installation.
7. Installation — Your installer completes the installation, DISCOM approval, and net metering setup.
8. Subsidy credit — PM Surya Ghar subsidy is credited to your bank account after DISCOM verification. You can use this to prepay part of the loan.

Solar loans have relatively relaxed eligibility since the solar system itself serves as implicit collateral (it is bolted to your roof and generates measurable savings).

General requirements:

• Age: 21–65 years
• Indian citizen or resident
• Salaried or self-employed with stable income
• CIBIL score: 650+ (700+ for best rates)
• Existing electricity connection in your name
• Property ownership or NOC from property owner

Income requirement: Most banks require your net monthly income to be at least 3× the EMI amount. For a ₹2,200/month EMI, that means ₹6,600+ net income — achievable for most households.

→ Detailed eligibility guide

The PM Surya Ghar subsidy is disbursed after installation and DISCOM verification — typically 2–4 months post-installation. Here is how it interacts with your loan:

1. Bank sanctions the full system cost as a loan (say ₹1,80,000 for a 3kW system)
2. Installation is completed and DISCOM verifies the system
3. Government credits ₹78,000 subsidy directly to your bank account
4. You can use this amount for partial prepayment of the loan — reducing your EMI or tenure

Some banks (SBI, Canara Bank) factor the expected subsidy into the loan structuring, effectively giving you a lower EMI from the start with a balloon prepayment scheduled when the subsidy arrives.

Follow these steps to minimise your financing cost:

• Compare at least 3 banks — Rates vary by 1–3%. Even 1% lower rate saves ₹8,000–₹12,000 on a ₹1,50,000 loan over 5 years
• Negotiate processing fee — Many banks waive or reduce the processing fee for solar loans, especially if you are an existing customer
• Choose the shortest comfortable tenure — Longer tenure means lower EMI but higher total interest. If you can afford a 5-year EMI, avoid stretching to 7 years
• Prepay when subsidy arrives — Use the PM Surya Ghar subsidy (₹30,000–₹78,000) to reduce your loan principal immediately
• Check for state incentives — Some states offer interest subvention of 2–3% on solar loans

The best way to start is by getting installation quotes that include financing options. Solar Vipani's verified installers provide detailed quotes with EMI breakdowns for multiple tenure options.

Fill one form, get 2–3 quotes from verified local installers with financing details included.

Get free solar quotes →