7 Solar Contract Red Flags That Should Make You Walk Away
Most solar homeowners regret signing within 12 months. Almost all of them say the same thing: I did not read the contract carefully enough. Here are the 7 red flags that signal a predatory solar deal — before you sign.
Quick answer
The biggest solar contract red flags are: annual escalator clauses above 2%, no production guarantee in writing, a buyout price that does not decrease over time, missing or blank Notice of Cancellation, verbal promises that are not in the contract, high-pressure same-day signing pressure, and vague warranty terms that exclude subcontractor work. Any one of these should prompt you to stop and get a contract review before signing.
Why Most Homeowners Miss These
Solar contracts are long, complex, and presented at the end of a persuasive sales process designed to get you to sign quickly. The sales rep is trained. You are not. They know exactly which clauses to minimize or skip entirely. And if you push back, the pressure escalates.
Here are the 7 red flags that appear most consistently in the contracts of homeowners who end up filing complaints, fighting in court, or trapped in agreements that cost them far more than solar ever saved them.
Red Flag 1: The Annual Escalator Clause
Most solar leases contain an annual rate escalator — typically 2.9% per year — meaning your monthly payment increases every single year for the life of the lease. What sounds manageable in year one becomes a serious financial burden in year 15 or 25.
One homeowner calculated that their Sunrun lease buyout actually increased from $46,000 in year one to over $47,000 after nearly 4 years of payments. This is by design.
What to demand: The exact escalator percentage in writing. Calculate your payment in year 10, year 15, and year 25 before signing. If the rep cannot give you this number on the spot, that is your answer.
Red Flag 2: No Production Guarantee in Writing
If the sales rep promised you would generate X kilowatt-hours per year, or that your electric bill would go to zero, but those numbers are not in the contract — that promise does not exist. Verbal promises are unenforceable against a 25-year contract.
Multiple homeowners report being told their system would eliminate their electric bill, signing the contract, and then discovering no production guarantee appears anywhere in the document.
What to demand: A specific annual production guarantee number in the contract, and a written description of what remedies you receive if the system fails to hit that number.
Red Flag 3: A Buyout Price That Does Not Decrease Over Time
Intuition says: the more I pay, the smaller the buyout gets. Solar leases often violate this intuition. Some lease structures front-load costs so that early buyout prices are punishingly high, and the buyout schedule should be explicitly stated in the contract.
What to demand: The full buyout schedule — year by year — in writing. If they cannot provide it or it is not in the contract, do not sign.
Red Flag 4: Missing or Blank Notice of Cancellation
Federal law requires that any contract signed in your home following a door-to-door solicitation must include a completed Notice of Cancellation form — with the correct date, your name, the company name, and clear instructions for how to cancel. If this form is missing, incomplete, or blank, the 3-day cancellation window may not have legally started.
What to do: Find this form before you sign. If it is not there, ask for it explicitly. Its absence is both a red flag and potentially a legal advantage for you later.
Red Flag 5: Verbal Promises Not in the Contract
The #1 most consistent theme across solar complaints: the sales rep made promises that do not appear anywhere in the contract. Free roof repairs. Government subsidies. Zero electric bills. Buyout assistance. The contract is the deal — not what the rep said.
What to do: Ask the rep to point to every promise they made in the contract text. If they cannot, ask them to add it as a written addendum. If they refuse, that promise will never be honored.
Red Flag 6: Same-Day Signing Pressure
Legitimate solar deals do not expire overnight. If a sales rep tells you the price is only good today, the government incentive disappears tomorrow, or the installation crew is already scheduled — these are high-pressure tactics designed to prevent you from reading the contract carefully or consulting anyone else.
Real government incentives like the federal ITC follow the tax year, not a sales visit deadline. Any urgency created by a sales rep is artificial.
What to do: Walk away from same-day pressure. If the deal is real, it will be there tomorrow after you have read the contract.
Red Flag 7: Vague Warranty Language That Excludes Subcontractor Work
Large solar companies like Sunrun and Freedom Forever use third-party dealers and subcontractors for most installations. Their contracts often include warranty language that only covers equipment, not labor — and specifically excludes work done by subcontractors. This means when your roof leaks from the installation, the company points to the subcontractor, the subcontractor has gone out of business, and you are left holding the repair bill.
What to demand: The warranty should explicitly cover the installation work, not just the equipment, and should state that the company — not a subcontractor — is responsible for installation defects. If they will not put this in writing, factor it into your decision.
The Bottom Line
None of these red flags require you to be a lawyer to spot. They require 30 minutes of careful reading and a willingness to ask hard questions. The homeowners who avoid solar nightmares are not smarter — they are slower. They take their time. They get the contract reviewed. They walk away from pressure.
Get a free contract review before you sign anything. It is the single highest-value action you can take.
Need help reviewing a solar contract?
Use our free contract health check to organize your concerns and learn what documentation may matter.
Frequently asked questions
What should I look for before signing a solar contract?
The most important things to verify: the exact annual escalator percentage, a written production guarantee with specific kWh numbers, the full year-by-year buyout schedule, a completed Notice of Cancellation form, and that all verbal promises from the sales rep appear in the written contract.
What is a solar lease escalator clause?
An escalator clause increases your monthly payment by a fixed percentage every year — typically 2% to 3.5%. Over a 25-year lease, this can double your initial payment by the end of the term. Many homeowners are not told about this clause, or it is minimized during the sales presentation.
What is the Notice of Cancellation and why does it matter?
The Notice of Cancellation is a form required by federal law (FTC Cooling-Off Rule) in any contract signed in your home after a door-to-door visit. It gives you 3 business days to cancel with no penalty. If this form is missing or incomplete, your 3-day cancellation right may still be active regardless of when you signed.
Are verbal solar sales promises legally enforceable?
Generally no. The written contract governs the deal, not verbal promises made during the sales presentation. If a solar rep made promises that do not appear in the contract, those promises will almost certainly not be honored. Get everything in writing before signing.
What is a production guarantee in a solar contract?
A production guarantee is a written commitment by the solar company that your system will generate a specific amount of electricity per year, with compensation if it falls short. Many solar leases include escalating payments but no written production guarantee — meaning you pay more every year regardless of performance.
How do I know if a solar company is using high-pressure sales tactics?
Signs include same-day price expiration claims, invented government deadline urgency, discouragement from reading the contract before signing, promises that the company will handle all the paperwork, and reps who redirect questions about contract terms rather than answering them directly.