Solar Financing
The set of capital structures a customer can use to pay for a solar installation, spanning cash purchase, secured and unsecured solar loans, operating leases, power purchase agreements, and on-bill or PACE financing, each with different ownership, tax, and monthly payment implications.
Solar financing is the part of the deal where more customers drop out than at any other stage. A homeowner who loved the panel layout and the production forecast will still walk if the monthly payment does not clear their budget math. For commercial buyers, the same moment plays out in a capital committee meeting. Which is why the financing options a solar company can offer are, in practice, a bigger constraint on close rate than hardware or design quality.
The main structures fall into five buckets. Cash, where the customer writes a check and owns the system outright. Secured solar loans, usually against home equity, with rates tied to mortgage-adjacent pricing. Unsecured solar loans, typically 10 to 25 year term at higher rates, originated through specialty solar lenders. Operating lease, where a third party owns the system and charges a flat monthly. Power purchase agreement, where a third party owns the system and charges per kWh. On-bill and PACE financing, where the repayment rides on the utility bill or property tax bill.
The math a rep needs to show
The persuasive proposal does not pick one financing option, it compares three or four side by side on the same savings chart. The customer sees year-one cash flow, 10-year cumulative savings, and 25-year lifetime value under each, with the ITC and state incentives applied where they apply. Reps who learn to let the math speak, rather than argue for one option, close more deals.
Why it matters for solar installers
Every financing partner an installer integrates is another lock on the close. A shop that only offers cash and one loan product loses every customer whose monthly constraint does not match that one payment. SolarVis models cash, loan, lease, and PPA inside the proposal workspace, so the rep never has to switch tools or spreadsheets in front of a customer.
Common questions
- Which financing option saves the customer the most money?
- Cash purchase almost always delivers the lowest lifetime cost because there is no interest or financier markup, but it requires 15,000 to 40,000 USD up front for residential. For customers without that capital, a solar loan typically beats a lease or PPA on 25-year savings, because the customer still captures the Investment Tax Credit and the equipment appreciates rather than depreciates on the balance sheet.
- What is the difference between a solar loan and a solar lease?
- A loan finances the purchase of the system, so the customer owns it from day one and claims every incentive. A lease is a monthly payment for use of hardware the lessor owns, so the customer does not own the system and does not claim the tax credit. Loans build equity, leases trade ownership for zero down.
- How does a PPA differ from a lease?
- A lease charges for hardware usage regardless of production. A PPA charges per kWh produced, so the customer only pays when the system delivers. PPAs are more common for commercial where the offtaker prefers an energy expense over a hardware liability.
