PACE Financing for Solar: How Property-Assessed Clean Energy Loans Work and Why Some States Restrict It

What PACE Is

PACE stands for Property Assessed Clean Energy financing, and the mechanic that makes it a genuinely different product, not just another solar loan with a different name, is where the repayment obligation attaches. A standard solar loan attaches to the individual borrower through a conventional promissory note. PACE attaches to the property itself, collected as a special assessment through the property tax bill. As PACE programs are generally structured across the country, that is why PACE underwriting tends to weigh home equity and property tax payment history more heavily than the personal credit score a solar loan’s underwriting typically leans on.

The Gap Between “Legal” and “Available”

This is the fact a PACE conversation should open with, because it is the one most reps and most homeowners get wrong. PACE-enabling legislation, the state law that permits PACE programs to exist at all, is active in 40 states plus Washington, D.C. Some form of PACE program, predominantly commercial PACE, is actually running in 36 states plus D.C. Residential PACE specifically, the version a homeowner installing solar could use, is currently offered in only three states: California, Florida, and Missouri.

Forty states where the law permits it. Three states where a homeowner can get it. That gap is not a technicality, it is the entire practical answer to “can I use PACE financing here,” and it means PACE is a narrow, geography-specific tool, not a nationally available solar financing option the way a loan or a lease is.

Why the Property-Not-Borrower Structure Changes Everything Downstream

Because PACE assessments ride on the property tax bill rather than a personal loan account, PACE financing follows the house rather than the person who took it out, at least in principle, which is part of what makes it attractive to a homeowner uncertain they will stay in the home for the loan’s full term. It also means PACE underwriting can reach homeowners a conventional solar lender’s credit-score-driven process would decline, since the security behind the assessment is the property’s equity and tax-payment history, not a FICO score.

That is a genuinely different risk profile than a HELOC, a solar-specific loan, or a lease, and it is why PACE belongs in a financing conversation as its own category, not folded into a generic loan-options list.

Where This Fits Next to Cash, Loan, and TPO

Most solar financing conversations in 2026 run through cash, a solar loan, or a lease or power purchase agreement, the three paths carrying most of the market as third-party ownership climbs toward roughly two-thirds of sales this year. PACE is a fourth path most reps never mention, partly because it exists in only three states for residential use, and partly because it requires the seller to understand a different underwriting logic than the credit-score conversation a loan or lease pitch runs on.

In the three states where it is available, PACE is worth knowing well enough to explain accurately: what it attaches to, how it is repaid, and why the underwriting looks at the property instead of the person sitting across the table.

Sources

The external data in this guide draws on the sources below. Figures described in the text as estimates or industry triangulations are directional and are not attributed to a single dataset.

• PACENation, on where residential and commercial PACE programs actually operate
• Aurora Solar, 2026 TPO financing trends, on the broader financing mix PACE sits within

FAQ