The 30% Markup Your Solar Lender Never Showed You
It hides in the loan, not the rate. Federal regulators say it can add 30% or more to the price. Here's how to find yours.
You paid for solar. You even got a low interest rate. So why does the loan feel so much bigger than the panels on your roof?
There's a reason. And most homeowners never find it.
It's a fee. A big one. It's buried inside your loan, not printed on your rate. The people who sold you solar had a name for it, but they likely never said it out loud. It's called a "dealer fee."
Here's what it does. A dealer fee is a markup the lender adds to your loan. Not for better panels. Not for better service. It pays for that low rate you were shown.
How big is it? The Consumer Financial Protection Bureau looked into this in 2024. They found these fees often add 30% or more to the price, above what the same system would cost in cash. On a $30,000 solar system, that's $9,000 or more. And you pay for it every month, for 20 or 25 years.
Here's the part that stings. The CFPB found lenders bake the fee into your loan without putting it in your stated rate. So the APR you saw looked cheap. The real cost was hiding one line down.
Sal says: A low rate is not a low price. Lenders pay for that 0.99% or 2.99% rate by adding a bigger dealer fee to your balance. You don't see it, but you carry it for 25 years.
So why didn't your salesperson tell you? Because in most cases, they couldn't. The CFPB found lenders often won't let the rep at your kitchen table explain the fee, or even name it. And this isn't a few bad deals. In 2023, 58% of solar was sold on loans like these. That's how most of the industry runs.
Is that legal? That's the question a lot of people in charge are now asking.
The law is starting to catch up. There's a federal law called the Truth in Lending Act. It says the real cost of a loan has to be shown to you. When a big fee is hidden inside the loan and left out of the rate, that may break the rule.
Minnesota's Attorney General sued four solar lenders over these exact hidden fees. A judge let the case move forward, and threw out the lenders' excuse that the fee was just "seller's points." In March 2026, New York's Attorney General went further. She sued a solar company and its two lenders, saying they cheated homeowners out of hundreds of millions of dollars.
Notice who got named. Not just the installer. The lenders too. Because when the fee is baked into the loan, the loan itself is fair game.
Sal says: You don't have to prove a thing to look. A free review can tell you if a hidden dealer fee is sitting in your contract right now. Because the time to find out is before you need help, not after.
You can start looking today. You don't need a lawyer or some expert to spot the warning signs. Here are three:
Your rate looks great. 0.99%, 1.99%, 2.99%. A rate that good is usually paid for with a bigger dealer fee.
The amount you financed is a lot higher than a cash quote for the same size system. That gap is where the fee hides.
There's no line that says "dealer fee" anywhere. That's the point. It's rolled into the total, not broken out.
If two of those three sound like your deal, there's a good chance you're carrying a fee nobody explained to you and your family.
So what do you do about it?
The first step is easy, and it's free. Get a free Solar Relief Assessment. We'll review your contract and tell you, in plain English, whether a hidden dealer fee is in there and what it's costing you. No charge. No obligation.
You already paid for the panels. You shouldn't be paying 30% more for a fee they never showed you.
Find out what's really in your loan. Because you can't fix what you can't see.
Get your free Solar Relief Assessment →
Solar Home Advocate helps homeowners understand what they actually signed. This article is for education, not legal advice.