$0-Down Solar Financing: Loan, Lease, or PPA?

$0-down solar usually means the homeowner avoids a large upfront payment. The cost can still appear through a loan payment, lease payment, power-purchase rate, dealer fee, escalator, roof work, electrical upgrade, or provider-owned contract.

The first comparison should not be the monthly payment alone. It should be total contract cost, payment changes over time, ownership, maintenance responsibility, incentive recipient, and home-sale transfer rules.

A solar loan may leave the homeowner as the system owner, but the finance terms need close review. Ask about APR, dealer fees, prepayment rules, lien or filing treatment, cancellation windows, tax-credit assumptions, and whether the quoted monthly payment changes if an expected tax benefit is not received.

The Consumer Financial Protection Bureau warns that some solar loans can be complex and costly. A quote should show the cash price, financed price, dealer fee if any, total payments, and what assumptions are built into the payment schedule.

A lease or PPA usually means the provider owns the system. That can reduce upfront cost and shift some maintenance obligations, but the homeowner must review escalators, production promises, buyout options, transfer terms, and whether the contracted payment or energy rate remains attractive over time.

Provider-owned structures can also change who receives tax, depreciation, rebate, or performance-based value. Do not assume the homeowner receives the same incentives as a homeowner-owned system.

A financing offer is only as good as the utility assumptions behind it. Net metering, export credits, time-of-use rates, minimum bills, non-bypassable charges, standby fees, and interconnection costs can change the economics.

Ask the provider to show the exact utility tariff, the modeled first-year production, the bill baseline, the export-credit treatment, and how the proposal handles future rate changes. If those inputs are missing, the monthly payment is not decision-ready.

Before signing, compare cash price, financed price, APR, dealer fee, escalator, ownership, incentive recipient, equipment, warranties, monitoring, roof work, transfer rules, utility interconnection, and battery terms if storage is included.

A strong provider should be able to put those items in writing. If the offer depends on a verbal savings claim, a rushed deadline, or an incentive that is not tied to a current source, pause the decision.