Are you planning to install a solar panel system on your rooftop under the central government’s free electricity scheme but need financial assistance to cover the setup cost?
The **PM Surya Ghar Muft Bijli Yojana** is a landmark national scheme designed to provide up to 300 units of free electricity per month to 1 Crore households across India.
To help families manage the upfront cost of solar panel installation, the government has partnered with public sector banks to offer highly subsidized, collateral-free solar loans.
Understanding the latest PM Surya Ghar Muft Bijli Yojana rooftop solar loan interest rates will help you select the most affordable financing partner and maximize your savings.
In this guide, we provide a detailed interest rate comparison across top banks (SBI, PNB, Canara, Union Bank), highlight the collateral-free loan limits, outline eligibility rules, and list the documents required to apply online.
Overview of the PM Surya Ghar Solar Rooftop Loan Scheme
The government offers a direct subsidy of up to **₹78,000** for installing a 3kW solar system, which covers a significant portion of the total cost.
For the remaining balance, public sector banks offer a dedicated green energy loan product under the following standardized terms:
- Collateral-Free Limit: Loans for solar installations up to 3kW (usually up to ₹2 Lakhs) require no collateral security or asset mortgages.
- Subsidized Interest Rates: The RBI has capped solar loan interest rates at a maximum markup of **0.50% to 1.00%** over the bank’s Repo Linked Lending Rate (RLLR), keeping them much cheaper than personal loans.
- Repayment Tenure: Flexible repayment periods extending up to **10 years (120 months)**.
Latest Solar Loan Interest Rates Comparison Table (2026)
Here is a detailed comparison of rooftop solar loan interest rates, loan limits, and tenures offered by leading banks:
| Bank Name | Interest Rate Range (p.a.) | Max Loan Limit | Max Tenure |
|---|---|---|---|
| State Bank of India (SBI) | 7.00% – 7.25% | Up to ₹2 Lakhs (Collateral-Free) | 10 Years |
| Punjab National Bank (PNB) | 7.10% – 7.30% | Up to ₹2 Lakhs (Collateral-Free) | 10 Years |
| Canara Bank | 7.00% – 7.40% | Up to ₹2 Lakhs (Collateral-Free) | 10 Years |
| Union Bank of India | 7.15% – 7.50% | Up to ₹2 Lakhs (Collateral-Free) | 10 Years |
SBI Surya Ghar Solar Loan Eligibility & Interest Rates
State Bank of India (SBI) is the leading partner for the PM Surya Ghar project.
Under its **SBI Surya Ghar Loan scheme**, the bank offers competitive rates:
- For solar systems up to 3kW, the interest rate is locked at **7.00% p.a.** (linked to current Repo Rate conditions).
- For systems above 3kW (up to 10kW), the interest rate ranges between **10.15% to 10.75% p.a.**, and may require property collateral or co-borrower signatures.
- The applicant must have a healthy CIBIL score of **680 or above** and own the residential property where the panels are being installed.
PNB Solar Panel Loan Scheme Details
Punjab National Bank offers solar installation credit under the **PNB Saur Urja scheme**.
Key highlights include:
- Interest rates start at **7.10% p.a.** for residential installations up to 3kW.
- The bank charges zero processing fees and zero prepayment penalties for loans under the PM Surya Ghar program.
- Borrowers can choose a flexible repayment schedule from 3 years extending up to 10 years depending on their monthly income.
Canara Bank & Union Bank Solar Financing Features
Canara Bank offers specialized loans for solar rooftops with rapid online processing.
If you have an active savings account with Canara Bank, you can apply directly through their mobile app, with rates starting at **7.00% p.a.**.
Union Bank of India offers similar terms under the **Union Green Power scheme**, with loan options extending up to ₹15 Lakhs for larger commercial rooftop setups, though residential 3kW systems remain completely collateral-free.
Documents Required for Collateral-Free Solar Loans
Keep these documents ready to ensure rapid, paperless approval on the PM Surya Ghar portal:
- Applicant KYC: Aadhaar Card, PAN Card, and registered mobile number.
- Property Ownership Proof: Registry papers, property tax receipt, or land revenue receipts under the applicant’s name.
- Electricity Bill: Latest electricity bill showing the consumer number and active connection status (the address must match your property ownership documents).
- Income Proof: Last 6 months’ bank account statement (for self-employed) or salary slips (for salaried).
- Solar Quotation: Feasibility report and cost quotation issued by an **MNRE-approved solar vendor**.
Frequently Asked Questions (FAQ)
What is the interest rate for the PM Surya Ghar solar loan?
For standard residential rooftop systems up to 3kW, the interest rate starts at a subsidized **7.00% to 7.25% p.a.** across major public sector banks (like SBI and PNB).
Can I get a solar loan without any collateral?
Yes. Under the PM Surya Ghar scheme guidelines, banks offer collateral-free loans for residential solar panel systems up to 3kW capacity (typically covering loans up to ₹2 Lakhs).
What is the maximum subsidy amount under PM Surya Ghar Yojana?
The central government provides a direct subsidy of ₹30,000 per kW for the first 2kW, and an additional ₹18,000 for the 3rd kW, making the maximum eligible subsidy **₹78,000** for systems of 3kW or higher.
How do I apply for the PM Surya Ghar solar loan online?
You can apply online by visiting the official national portal at **pmsuryaghar.gov.in**. Register your utility connection, apply for solar feasibility, select an approved vendor, and submit your loan application directly through the integrated bank portal links.
Is a CIBIL score required for a solar loan?
Yes. Banks check your credit profile to verify repayment history. A CIBIL score of **680 or above** is generally required to secure the subsidized interest rates.
Conclusion
Installing a rooftop solar panel system under the PM Surya Ghar scheme is a highly secure investment to cut down your electricity bills forever.
By comparing the subsidized solar loan rates offered by SBI, PNB, and Canara Bank, you can find the most cost-effective financing partner for your home.
Ensure you select an approved vendor from the official MNRE list to ensure your subsidy is credited smoothly after installation. Share this guide with friends who want to switch to solar energy!
