Solar Financing Options in 2026

There are three main ways to pay for solar in 2026 — cash, a solar loan, or a lease/PPA — and the right choice changed meaningfully this year. The reason is the tax law: the 30% federal residential credit that used to reward buyers was repealed for purchased systems installed after December 31, 2025, while third-party owners of leased systems can still claim a separate commercial credit through 2027. That single shift reshapes the trade-offs, so it’s worth understanding each option on its own terms.

The three options side by side

Method	Up-front cost	Who owns the system	2026 federal credit	Long-term savings
Cash	Full price ($18k–$35k typical)	You	None for buyers	Highest
Solar loan	$0–low down	You	None for buyers	High, minus interest/fees
Lease / PPA	$0 down	The provider	Provider may claim commercial credit (to 2027)	Lowest — provider keeps most

The pattern is clear: paying more up front (cash) keeps the most savings, while paying nothing up front (lease/PPA) hands most of the savings to the provider in exchange for convenience and no maintenance responsibility.

Cash

Paying cash is the cheapest path over the life of the system. There’s no interest, no dealer fee, and the sticker price is the real price. You own the system outright, capture 100% of the electricity savings, and add value to your home.

• Pros: Lowest lifetime cost, full ownership, no monthly payment, maximum savings.
• Cons: Ties up $18,000 to $35,000 up front, and in 2026 there’s no federal credit to soften that outlay for buyers.

Cash makes the most sense if you have the capital and want the best return.

Solar loan

A solar loan lets you own the system while spreading the cost over 10 to 25 years. You still get all the electricity savings and the ownership benefits — but watch the fees closely.

• Pros: Own the system, low or no money down, keep the savings, predictable payments.
• Cons: Interest raises lifetime cost, and many “$0 down” loans bury a dealer fee of 10% to 30% inside the system price. A loan-quoted system at $3.50/watt may really be a $2.80/watt system with the fee hidden inside.

Always ask for the cash price and compare it against the financed price so you can see the fee. A loan can still be a good deal — just insist on transparency. Our solar lease vs buy guide digs deeper into ownership math.

Lease and PPA

With a lease or power purchase agreement (PPA), a third party owns the system on your roof. You either pay a fixed monthly lease or buy the power it produces at a set rate per kilowatt-hour.

• Pros: Little or no up-front cost, the provider handles maintenance, and because the provider owns the system it can still claim the federal commercial clean energy credit through 2027 — which may translate into a lower monthly payment.
• Cons: You don’t own the system, you capture only a slice of the savings, you typically don’t add home value, and many contracts include an annual escalator that raises your payment 1% to 3% every year. Transferring the contract when you sell the home can complicate a sale.

In 2026, the lease/PPA route is the only way a homeowner indirectly benefits from a federal credit — but that benefit flows through the provider, and you give up ownership and most long-term savings to get it.

What changed in 2026

For over a decade, buyers subtracted 30% via the federal residential credit (Section 25D), which made cash and loans very attractive. That credit was repealed for purchased systems installed after December 31, 2025. In 2026:

• Buyers (cash or loan): no federal tax credit.
• Leases/PPAs: the provider can claim the commercial credit through 2027.
• Some states still offer their own rebates or credits, separate from the federal one.

This doesn’t make buying a bad idea — ownership still delivers the most lifetime savings — but it does narrow the gap between buying and leasing on day one. Read the full breakdown in our 2026 solar tax credit guide.

How to choose

• Have the cash and want the best return? Pay cash.
• Want ownership but need to spread the cost? Take a loan — but demand the cash price and scrutinize dealer fees.
• Can’t or won’t pay up front, and value zero maintenance? A lease/PPA works, as long as you accept lower savings and read the escalator clause.
• In a state with incentives? Factor those in first; they can tip the math toward buying.

FAQ

What’s the best way to finance solar in 2026? If you can afford it, cash delivers the lowest lifetime cost and the most savings. A loan is a solid middle path if you watch the dealer fees. Leases and PPAs minimize up-front cost but keep most savings with the provider.

Do I get the 30% federal tax credit if I finance solar? Not if you buy with cash or a loan — that credit was repealed for purchases after December 31, 2025. Only leases and PPAs indirectly benefit, because the provider can claim a commercial credit through 2027.

Are $0-down solar loans a good deal? They can be, but many bake in a dealer fee of 10% to 30%. Always request the cash price and compare, so you know what the financing is really costing you.

What is a solar PPA? A power purchase agreement: a third party owns the system on your roof and sells you the electricity it produces at a set rate. You pay for power, not the equipment, and you don’t own the system.

Does a lease add value to my home? Usually not, and it can complicate a sale because the buyer must assume the contract. Owned systems (cash or loan) are the ones that typically add resale value.

Is buying still worth it without the tax credit? For most buyers who can afford it, yes. Ownership captures 100% of the electricity savings for decades, which outweighs the lost credit over time — though payback is longer than it was. See our is solar worth it in 2026 guide.

Run your own numbers

Financing choice can swing your lifetime cost by thousands of dollars. Use our free solar calculator to estimate system size, out-of-pocket cost, and payback, then compare a cash price against any financed or leased offer. For the ownership decision specifically, see our solar lease vs buy guide.