Home / News / The Redline Problem: How Rooftop Solar’s Hidden Pricing Structure Could Cost a Homeowner Thousands

If someone knocks on your door offering solar panels, you should ask this question before you proceed: “Does your company install this system, or do you contract someone else to do it?”

Their answer may reveal something most homeowners never think about, and it could be the difference between paying $22,000 and $36,000 for the exact same system.

It’s called a redline, and it’s a commonly used pricing structure in the residential solar industry. Understanding how it works is the single most important thing a Central Oregon homeowner can do before signing a solar contract.

Three Ways Rooftop Solar Companies Are Structured

Not all solar companies operate the same way. Generally speaking, there are three models:

1. Full-Service Companies (Sales and Installation Under One Roof)
   These companies handle everything in-house: sales, design, permitting, procurement, installation, and ongoing service. They employ their own sales staff, hold their own electrical licenses, and control their own pricing. Because there’s no middleman marking up the cost, prices tend to be consistent from one customer to the next, regardless of the neighborhood or perceived wealth. (This is how a handful of companies in Bend operate, including E2 Solar.)
2. Solar Sales and Marketing Companies
   These companies focus exclusively on customer acquisition. They don’t employ installation crews, own installation trucks, or hold electrical licenses. Their business model is marketing, often through door-to-door sales. Once a contract is signed, they hand it off to a separate installation company to do the physical work.
3. Installation-Only Companies
   These companies handle the physical installation but don’t have their own sales teams. To get projects, they often partner with the sales and marketing companies described above (and that’s where redlines come in).

Some companies are a hybrid, meaning that they employ their own salespeople but also accept redline deals from outside sales organizations.

What Is a Redline?

In solar sales, a redline is the minimum price per watt that an installation company charges to complete a project. It covers the physical equipment, labor, permitting, and the installer’s baseline profit.

Here’s how rooftop solar’s redline model works:

• An installer sets a redline, for instance, $2.25 per watt.
• A sales and marketing company sells the system to a homeowner at whatever price they can negotiate, say, $3.70 per watt.
• The difference between the sale price and the redline — in this case, $1.45 per watt — is the spread. That spread becomes the commission pool for the sales company.
• On a 10 kilowatt (kW) system (10,000 watts), that’s a commission pool of $14,500 before any splits between the sales rep, their manager, and the company owner.
• The incentive structure is as follows: the higher the salesperson sells the system for, the more everyone in the chain makes.

How This Affects Consumers

Here’s the problem with rooftop solar’s redline model: there’s no control over the final price the homeowner pays. A sales rep can walk up to your front porch, silently evaluate your home, and price the system based on what they think you’ll pay, not on what the system actually costs.

This means that, if you appear to the salesperson as price-conscious, you might get a quote at $3.25 per watt. If you seem less informed or less likely to shop around, the same system could be quoted at $3.75 or even $4.00 per watt. In both cases, the same equipment would be used, the systems would be identical, and they would be installed by the same contractor. But each household would be offered a different price.

This isn’t a theoretical situation, either. In Colorado, a solar industry professional documented cases where consumers were sold solar installations for $5,000 to $10,000 more than locally owned companies would charge for the same system. An outside sales company demanded one-third of the total contract price as its commission (compared to a typical sales commission of 3% to 6% in most industries).

A former corporate solar executive told CBS News that commissions can account for anywhere from 20% to 70% of the total contract price. “It’s going to be 20, 30, 50, 60, sometimes up to even 70% of that contract price is just commission,” she said.

(For context, the national average for residential solar sits around $2.60 to $3.36 per watt before incentives, according to EnergySage and pv magazine.)

The Pyramid Behind the Price

Rooftop solar’s redline model may look like a simple markup, but it’s actually a layered compensation structure that closely resembles a pyramid. In it, the owner of the sales and marketing company recruits team leaders, who recruit individual sales reps. Each layer takes a cut of the spread above the redline. A sales rep might earn 20 to 30 cents per watt on a deal sold at $3.75 per watt, while everyone above them in the chain collects the rest.

This is one reason why the industry has attracted the label “solar sales bros,” due to its culture of young, often inexperienced reps recruited with promises of luxury cars and six-figure incomes, deployed to neighborhoods across the country to knock doors and close deals on the spot.

Why Solar Door-Knockers Push So Hard to Sign NOW

The single-appointment close is a defining characteristic of this model. Sales reps are trained to push for a signature on the first visit because the probability of closing drops dramatically once a homeowner has time to get a second quote. That should tell you everything.

If you talk to a company that controls its own pricing (like a full-service installer without a redline spread to protect) their rep typically has no reason to pressure you. The price you’re quoted for a system is the price. But when the rep’s entire income depends on the spread between the redline and whatever they can convince you to pay, every minute you spend comparison shopping risks taking money out of their pocket.

That’s why high-pressure tactics like, “This offer expires tonight,” “This incentive is going away,” and “You need to sign now” are so common with door-to-door solar sales.

The Consumer Financial Protection Bureau has also found that some solar sellers inflate costs by adding markup fees to loans, and that “promotional rates or short periods of relatively low payments mask the higher bills you could owe for the remaining years.”

When Rooftop Solar’s Redline Model Collapses

Rooftop solar’s redline model certainly hurts consumers, but it’s also structurally weak. When the sales crew outpaces the installer’s capacity, or when financing dries up, the whole thing can come crashing down. Over the past two years, we’ve seen several major solar companies close their doors, leaving solar customers without support. This has impacts nationwide, but also here in Oregon.

In June 2024, one major national installer abruptly closed its doors and filed for Chapter 7 bankruptcy, leaving customers with non-functioning panels and no one to call. In December 2025, an Oregon-based solar company announced its bankruptcy and cut 109 jobs nationwide — among them, 84 workers in Medford.

Most recently, the formerly second-largest residential solar installer in the United States filed for Chapter 11 bankruptcy in April 2026. In August, the case was converted to Chapter 7 liquidation, leaving thousands of solar customers across the country with parts warranties, but no one to perform repairs.

These weren’t small operations, either. These companies were built on volume, volume that was driven by the redline model, where outside sales companies pushed as many contracts as possible, as fast as possible, at whatever price the market could handle.

Why Trust Is Lacking In the Solar Industry

It’s no wonder the solar industry has a trust problem. According to Aurora Solar’s research, 36% of homeowners say the “trustworthiness of solar companies” is a top concern, which makes trust the second-largest barrier to going solar (behind cost).

The same research found that 41% of homeowners find it difficult to determine which solar companies are trustworthy, and that 57% say a realistic installation cost and a clear answer on when savings begin would earn their confidence. Additionally, more than one-third of homeowners reported a negative interaction with a solar company.

Rooftop solar’s redline model is a big part of why.

Questions to Ask Before You Sign

If you’re considering solar, whether it’s after someone knocked on door, a friend referred you to a company, or you did your own research, here are a few questions to ask that will help protect you:

“What company am I signing a contract with, and what company will install the system?”

If they contract the installation out, you’re likely dealing with a sales and marketing company operating on a redline. You also want to know whether the people at your door are the same people who will be on your roof.

“Who designs the system, obtains permits, and oversees the installation?”

If the answer involves multiple companies handling different parts of the process, ask who controls the pricing.

“Does your company use outside sales partners? Is this proposal priced under a redline or spread-based sales arrangement?”

A salesperson may not know every detail of the company’s compensation agreement. That alone is not proof of a bad deal. But you should be able to get clear, written answers about the price, the installer, and who is responsible for the work before you commit.

“Do you have a local office?”

Sales teams flown in from out of state to knock doors in Prineville, Redmond, or Madras don’t have a local reputation to protect. A company with a physical presence in Central Oregon has skin in the game.

“What is the installing contractor’s Oregon CCB license number?”
You can check a contractor’s license and complaint history through the Oregon Construction Contractors Board’s consumer tools. Energy Trust of Oregon likewise recommends getting the company name and CCB license number when responding to an unfamiliar solar solicitation.

For good measure, also ask the following:

“What is the full cash price? If I finance it, what will I pay in total?”
“What equipment and other work are included, and what could change the final price?”
“Who handles warranty questions or service after installation?”

Perhaps most importantly, get a second quote. Oregon’s Construction Contractors Board advises homeowners not to agree to services on the spot and to compare bids rather than automatically accepting the lowest one.

Remember: the same 8 kW system could cost $22,000 from a full-service company that controls its own pricing, or it could be $30,000 or more from a sales organization trying to maximize its spread. You won’t know the difference until you compare.

How to Avoid Overpaying for Solar Panels

There’s nothing inherently wrong with commission-based sales. Plenty of legitimate solar companies pay their reps on commission. The difference is whether the company controls its own pricing or whether the price is whatever a salesperson thinks they can get from you on a given weekday night, while standing on your doorstep.

If you want a company that employs its own people, controls its designs, handles its own installations, and stands behind its service for years to come, you need to know who you’re working with. That starts with understanding how they’re structured and asking the right questions before you’ve signed a contract. Because solar is a 25-year investment, and it deserves more care than can be provided in a 90-minute sales pitch.

Have questions about solar for your Central Oregon home? Contact our team for a no-pressure consultation and a transparent, itemized quote — without redlines, arbitrary markups, or unnecessary pressure.