Solar Loan Calculator

What Will Your Solar Loan Actually Cost?
Tell us your system price and how long you’re comfortable paying. We’ll match you with the right lender, show your monthly payment, and tell you what the financing actually costs over the life of the loan.
Best lender match for your terms
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Monthly payment
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at the auto-picked rate
Total interest paid
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over the life of the loan
Cost of credit multiple
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vs paying cash
Cost of doing nothing
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25 years of grid bills at 3% annual rate inflation. The loan is competing against this.
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We may earn a referral fee if you take a quote from a partner lender. Your monthly payment is set by the lender, not by us.
Not tax advice. The federal residential clean energy credit (Section 25D) ended for systems placed in service after December 31, 2025. Cash and loan buyers no longer claim it. Lease and PPA structures still capture the commercial Section 48 credit and pass it through. See IRS guidance on Section 25D. Always confirm with a qualified tax professional. Last reviewed: 2026-05-09.
Before you finance, get quotes to compare
A loan is only as good as the system price it is financing. Request solar quotes for your address first, then bring those numbers back to this calculator.
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Before you finance, confirm you qualify
If you’re a homeowner with a sizeable electric bill and a roof with decent sun exposure, check your eligibility for a free, no-obligation solar quote before locking in a loan.
Check your solar quote eligibilityAffiliate link: we earn a commission if you buy or request a quote through this link, at no extra cost to you. It does not affect what we recommend.
Data last updated 2026-05-09 Lender rates refreshed quarterly
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