Personal Loan for Solar Panels: Financing 2026 Installation Costs
Residential solar panel installation costs $15,000-$30,000 before the 30% federal tax credit, bringing the net cost to $10,500-$21,000 for most homeowners. Financing options include personal loans, dedicated solar loans, solar leases, and PACE financing. Personal loans offer speed and simplicity but typically carry higher rates than secured solar loans. The right choice depends on your credit score, home equity position, and how quickly you want to own the system outright.
Why apply here.
- 01Federal Solar Tax Credit (ITC): 30% of total system cost reduces federal tax liability - on a $20,000 system, you recoup $6,000 at tax time
- 02Personal loan: no home equity required, unsecured, funded in 1-3 days, but rates are typically higher than solar-specific loans
- 03Solar-specific loans (Mosaic, Sunlight Financial): lower rates (5%-12%) but require the solar company to be a partner; you may be limited in installer choice
- 04PACE financing (Property Assessed Clean Energy): no FICO check, repaid via property tax bill, but adds a lien to your home and may complicate future sales
- 05After federal tax credit, typical payback period is 6-10 years - after which electricity is essentially free
- 06System increases home value: studies show homes with owned solar sell for 3%-4% more (Zillow research)
About this loan.
Is a personal loan a good way to finance solar panels?+
It depends on your credit score and whether you qualify for better alternatives. At 720+ FICO: a dedicated solar loan (5%-9% APR) is likely cheaper than a personal loan (8%-13% APR) and worth the slightly more complex application process. At 660-719 FICO: personal loan and solar loan rates are often comparable; the personal loan's speed and simplicity become attractive. Below 620: personal loans may be the most accessible option if you do not have significant home equity, though rates will be higher. The 30% federal tax credit significantly reduces the amount you need to finance if you apply it against your loan in the first year.
What is the 30% solar tax credit and how does it interact with loan financing?+
The Investment Tax Credit (ITC) allows you to deduct 30% of your solar installation cost directly from your federal income tax liability. If you finance via a personal loan, you still receive the full 30% credit on the total system cost. The credit is not a refund - it reduces taxes owed. If your tax liability is less than the credit amount, you carry the remaining credit forward to future years. Many borrowers apply their tax refund to pay down the solar loan principal early, which reduces the effective interest cost substantially.
Should I use home equity or a personal loan for solar in 2026?+
Home equity (HELOC or home equity loan) typically offers lower rates (7%-10% APR vs. 10%-18% for personal loans at the same credit tier) and the interest may be tax-deductible if the loan is used for home improvement. The trade-offs: home equity requires 2-6 weeks to close, uses your home as collateral, and adds to mortgage debt. A personal loan closes in days, is unsecured, and is simpler. For solar systems, the improvement is permanent and adds value to the home, making home equity financing logical for homeowners with available equity. If speed is critical (seasonal incentives, installer scheduling) or equity is limited, a personal loan is a viable alternative.