If you are trying to understand the difference between a solar loan, a solar lease, and a PPA, you are not alone. A lot of homeowners signed solar agreements without ever getting a clear, plain-English explanation of what they were actually agreeing to.
That matters, because these are not minor differences. The type of agreement you signed affects who owns the system, who gets the incentives, what your monthly obligations look like, how a home sale may be affected, and what kind of long-term risk you may be carrying.
If your solar agreement is already causing confusion or financial stress, understanding whether you have a loan, lease, or PPA is one of the first things to clear up.
In This Article
- Why This Distinction Matters
- What Is a Solar Loan?
- What Is a Solar Lease?
- What Is a PPA?
- Who Owns the System Under Each Option?
- How Payments Work Under Each Option
- What Can Go Wrong?
- Which Structure Tends to Cause the Most Confusion?
- What to Review in Your Documents
- What to Do Next
- Frequently Asked Questions
Why This Distinction Matters
Many homeowners were sold “solar” as if it were one simple thing. But the agreement type changes almost everything about the deal.
A loan usually means you are financing the purchase of the system. A lease usually means another company owns it and you make scheduled payments to use it. A power purchase agreement, or PPA, usually means a third party owns the system and you agree to buy the electricity it generates under the contract terms.
The U.S. Department of Energy explains that solar leases and PPAs allow consumers to host systems owned by solar companies, while other arrangements involve homeowner ownership or financing. Homeowner’s Guide to Solar
That is why it is so important to identify your agreement correctly before deciding what to do next.
What Is a Solar Loan?
A solar loan is typically used when the homeowner is financing the purchase of the solar system over time. Instead of paying cash up front, the homeowner takes on monthly loan payments.
In this structure, the homeowner usually expects to own the system once the loan is paid off. But that does not automatically mean the deal is simple or favorable. The loan may still contain markup fees, dealer fees, interest costs, or terms that were not explained clearly during the sales process.
If your solar loan feels heavier than expected, read What Happens If You Stop Paying a Solar Loan?.
What Is a Solar Lease?
A solar lease usually means the homeowner does not own the system. Instead, a third party owns the panels and related equipment, and the homeowner makes regular payments to lease the system over a fixed period.
That often sounds attractive at the point of sale because it may seem like a lower-commitment way to go solar. But the long-term tradeoff is that the homeowner may still be tied to a contract they do not control, with transfer and home-sale complications that can show up later.
What Is a PPA?
A PPA, or power purchase agreement, is different from both a loan and a lease. In a typical residential PPA, another company owns the solar system, and the homeowner agrees to buy the electricity generated by it under the terms of the agreement.
That means the homeowner is not necessarily paying a set “loan payment” in the traditional sense. Instead, the charges are tied to the power generated or the contract’s pricing structure. On paper, that can look straightforward. In practice, it can still become confusing if the pricing, escalators, or expected savings were not fully explained.
Who Owns the System Under Each Option?
This is one of the most important questions to answer.
- Solar loan: the homeowner is generally financing ownership of the system
- Solar lease: a third party typically owns the system
- PPA: a third party typically owns the system and sells the power back to the homeowner
Ownership matters because it affects warranties, tax benefits, resale questions, and what happens if the arrangement later becomes a problem.
How Payments Work Under Each Option
The payment structure is where a lot of confusion starts.
With a solar loan, you are usually making monthly payments on debt. With a lease, you are usually making monthly payments to use equipment owned by someone else. With a PPA, you are generally paying for electricity under the agreement’s terms.
That difference can become critical when homeowners later ask questions like:
- Why am I still paying the utility bill too?
- Why is this payment higher than I expected?
- Can I transfer this if I sell the house?
- Why does this contract seem harder to exit than I was told?
If you are still paying both the utility and the solar side of the deal, you may also want to read Why Am I Paying Both My Utility Bill and My Solar Payment?.
What Can Go Wrong?
Each structure has its own risks, but the homeowner’s real problem is often the same: the agreement did not work the way it was sold.
Examples include:
- loan terms that were more expensive than expected
- lease or PPA terms that complicate a future home sale
- projected savings that never materialized
- dual bills that were never explained clearly
- pressure sales tactics that rushed the decision
The CFPB said in 2024 that some residential solar lenders misled homeowners about terms, costs, and expected savings. That warning matters most when the structure of the deal was never explained in a way the homeowner could actually understand. CFPB report on solar financing
Which Structure Tends to Cause the Most Confusion?
There is no single answer, but leases and PPAs often create extra confusion later because many homeowners do not fully appreciate that they may not own the system at all.
Loans can also create major problems, especially if the total cost, dealer fees, or payment expectations were not disclosed clearly. But at least the ownership question is often more straightforward.
With leases and PPAs, confusion often shows up later during refinancing, home sales, transfer requests, and attempts to understand why the agreement feels so hard to unwind.
What to Review in Your Documents
If you are not sure whether you have a loan, lease, or PPA, gather and review:
- the main solar contract
- any financing agreement or payment schedule
- ownership language
- transfer and payoff provisions
- warranty documents
- any proposals or savings estimates
Look for who owns the system, what exactly you are paying for, how long the agreement lasts, and what happens if you sell the house or want to exit the arrangement.
If you need a simpler starting point, check FAQ or review How It Works.
What to Do Next
If your solar agreement is causing more stress than savings, one of the most important first steps is identifying what kind of agreement you actually have. That alone can clear up a lot of confusion.
Ask yourself:
- Do I own the system, or does another company own it?
- Am I repaying debt, leasing equipment, or buying electricity?
- What was I promised about savings, ownership, and long-term obligations?
- What does the contract actually say about transfer, default, or payoff?
If you are ready to move forward, use the contact page to start your review.
Frequently Asked Questions
What is the difference between a solar loan, lease, and PPA?
A solar loan usually finances homeowner ownership of the system, a lease usually means another company owns the system and rents it to the homeowner, and a PPA usually means another company owns the system and sells the electricity it produces under the agreement.
Do I own the system if I have a solar loan?
Usually, the goal of a solar loan is homeowner ownership over time, but the exact terms and legal structure still matter and should be reviewed carefully.
Who owns the system under a lease or PPA?
In many cases, a third party owns the system under a lease or PPA, not the homeowner.
Which type of solar agreement can complicate a home sale?
Any of them can create issues, but leases and PPAs often raise transfer and buyer-approval questions that many homeowners were not expecting.
What should I review first if I am not sure what I signed?
Start with the main contract, financing documents, payment schedule, and any ownership or transfer language in the paperwork.