Solar at the point of sale plays out two very different ways. If you own the system, it is a documented asset that adds about $4 per watt to your price. If it is leased or under a PPA, the contract has to go somewhere — to the buyer through a credit-approved assumption, or to the solar company through a paid buyout. The article below walks through both paths, what to disclose, and how to keep solar from becoming an escrow problem.
What an owned system is worth at closing
If you bought your panels — cash, loan, paid off or still in repayment — you own the equipment and the production history attached to it. Lawrence Berkeley National Laboratory has tracked solar home premiums since 2011 and found buyers consistently pay about $4 per watt of installed capacity. On a 10 kW system that is roughly $40,000 in added value. Zillow's broader housing analysis put the lift at about 4.1 percent of comparable sale price.
That premium is not guaranteed in every market — appraisers and buyers vary in how comfortable they are with solar — but it is a real, measurable pattern across a large transaction sample. It tends to be strongest where utility rates are high, where solar is common enough that buyers understand it, and where you can put 12 months of production data in front of them. A solar loan does not break the premium: the lender's lien is on the equipment, not the home, and the loan typically just gets paid off at closing like any other secured debt.
How a lease or PPA changes the sale
A leased system or PPA is a different animal because you do not own the panels — the solar company does. You hold a 20- to 25-year contract that either pays a monthly lease fee or buys the electricity at a contracted rate. That contract does not disappear at closing. It transfers or it terminates, and the cost of either path lands somewhere.
Path one is buyer assumption. The buyer applies to take over the contract, the solar company runs a credit check, and if approved both parties sign a transfer agreement. The contract continues in the buyer's name after closing, with the same monthly payment and escalator. No cash changes hands for the solar piece. This is the clean outcome.
Path two is a buyout. If the buyer will not assume, cannot qualify, or you want a clean break before listing, you pay the solar company a contractual buyout price to terminate the lease early. Buyouts typically run $10,000 to $40,000 or more depending on system size and remaining term, with the price declining year by year as set out in your original contract.
Why early disclosure is the difference between a deal and a dead deal
The single biggest mistake sellers make with leased systems is waiting until the inspection or escrow stage to surface the contract. By then the buyer has committed emotionally and financially to the home, and a $20,000 buyout discussion arrives as a hostile surprise. Disclose at listing instead. Put the lease in the disclosure package, name the monthly payment, name the escalator, and list the remaining term and current buyout price.
Build extra runway into escrow if you are betting on a transfer. Sunrun, Tesla Energy, and Sunpower-successor servicers all maintain transfer teams that handle assumption applications regularly, and credit approval typically takes 3 to 10 business days. Some charge $250 to $500 in transfer fees. A standard 30-day close is usually too tight; ask for 45 days if a lease transfer is on the table and most buyers' agents will accept it once they understand why.
The disclosure document the buyer actually wants
Whether your system is owned or leased, the buyer needs a clear packet to make a decision. Include the system size in kW, the panel brand and installation year, the inverter type and warranty status, and 12 months of utility bills showing what electricity actually costs at your address post-solar. Note any service history — inverter swaps, panel claims, monitoring outages. List the remaining manufacturer warranties and where the documentation lives. For leased or PPA systems, attach the full contract, remaining term, monthly payment, escalator rate, and buyout schedule.
The one document that does more work than the rest combined is 12 months of kWh production data from your monitoring portal. A buyer who sees 14,800 kWh produced last year, paired with a utility bill averaging $23 a month, has all the evidence they need that the system works. That data also lets them do their own math at the current local rate. At $0.17 per kWh, 14,800 kWh is about $2,516 of electricity coming out of the roof each year. That is the number that closes the deal.
Warranties, the orphaned-system risk, and what actually transfers
Panel and inverter warranties transfer with the home for owned systems and require no paperwork from the seller beyond handing the buyer the documentation. Most panel manufacturers warranty 25-year production curves and 10- to 12-year materials coverage; inverter warranties run 10 to 12 years for string units and 25 for many microinverters. All of that continues for the new owner.
The exception is workmanship coverage from the original installer. If that company has closed or is in restructuring — Freedom Forever is in Chapter 11 restructuring as of 2026, for example — the workmanship piece may not be collectible. Disclose this honestly rather than leaving the buyer to discover it on their first roof leak. It is also worth giving the buyer the monitoring portal login or instructions to claim the manufacturer account directly, so they own the data stream from day one.
How to frame solar as a selling point, not an asterisk
For an owned system, frame the kWh value plainly. The home has produced 14,800 kWh a year. The local utility charges $0.17 per kWh. The buyer is inheriting roughly $2,500 of free electricity each year for the remaining productive life of the panels, which is 15 or more years at 90 percent of original capacity for a system installed in the mid-2010s. There is no installation cost to pay, no permit to pull, no roof penetration to authorize. That is the case.
Buyers are increasingly fluent in this math, which is the strongest argument for proactive, organized disclosure: the homeowners who lose money on solar at sale are the ones whose paperwork is missing, whose monitoring login is forgotten, and whose lease contract first appears in an inspection report. The homeowners who pick up the full $4-per-watt premium are the ones who hand the buyer's agent a clean disclosure packet on the first showing.