Do Solar Panels Increase Home Value? What the Research Actually Shows

Multiple studies from reputable institutions have examined the relationship between solar panel installations and home values, and the findings are consistently positive. Research from the Lawrence Berkeley National Laboratory analyzed over 22,000 home sales across eight states and found that homes with owned solar panel systems sold for a premium of approximately $15,000 on average compared to similar homes without solar. A separate study from Zillow found that homes with solar panels sold for about 4.1 percent more than comparable homes without them, which translates to roughly $9,200 on the median US home. The exact premium varies significantly based on your location, the size and age of your system, local electricity rates, and whether you own the panels outright or lease them from a solar company.

The distinction between owned and leased solar panels has a dramatic impact on how they affect your home's value. When you own your solar panel system outright, either through a cash purchase or a paid off solar loan, the panels are a clear asset that adds value to your property. Buyers see a system that will generate free electricity for years to come with no monthly payments or contractual obligations. This is the scenario where the research shows consistent value premiums. Owned systems that are fully paid for represent a straightforward financial benefit to the next homeowner: lower electricity bills with no strings attached.

Leased solar panels and power purchase agreements (PPAs) present a more complicated picture. When you lease panels, you do not own the equipment. A solar company owns the system on your roof, and you pay them a monthly fee or a per kilowatt hour rate for the electricity it produces. When you sell your home, the buyer must either assume the lease, which requires credit approval and a willingness to take on the payment obligation, or you must buy out the remaining lease term, which can cost thousands of dollars. Many buyers view a solar lease as a liability rather than an asset, and some real estate agents report that leased systems can actually make homes harder to sell. If you are considering solar with the goal of increasing your home's value, purchasing the system outright delivers the clearest benefit.

The value premium from solar panels depends heavily on local electricity rates. In states like California, Massachusetts, and Connecticut where electricity costs 25 to 35 cents per kilowatt hour, solar panels provide dramatic monthly savings, and buyers are willing to pay more for a home that comes with those savings built in. In states with cheap electricity at 8 to 12 cents per kilowatt hour, the savings are smaller and the value premium shrinks accordingly. The size and production capacity of your system also matters. A system that covers 80 to 100 percent of a home's electricity needs is more valuable than one that only offsets 30 percent. Buyers want to see meaningful savings on their electricity bills, not a token reduction.

The age and condition of your solar panels influence the premium as well. Modern panels are warrantied for 25 to 30 years and degrade at roughly 0.5 percent per year, meaning a system that is five years old still has 20 or more years of productive life and retains most of its value. A system that is 15 years old with only 10 to 15 years of remaining life is worth proportionally less because the buyer will need to replace the panels sooner. The technology and efficiency of the panels matter too. Higher efficiency panels from reputable manufacturers are more attractive to buyers than budget panels from unknown brands. Keep all documentation including warranties, installation permits, production data, and maintenance records organized and available for potential buyers. A well documented system inspires confidence and supports a higher valuation.

One challenge with solar panels and home values is that not all appraisers know how to properly value a solar installation. The appraisal process traditionally relies on comparable sales, meaning the appraiser looks for similar homes that recently sold and adjusts the value based on differences. If there are few comparable sales with solar panels in your area, the appraiser may not assign full value to your system. The Appraisal Institute has developed guidelines for valuing solar installations using an income approach that calculates the present value of future electricity savings, but not all appraisers are trained in this methodology. When selling a home with solar, consider requesting an appraiser who has experience valuing solar systems or providing the appraiser with production data and savings calculations to support a higher valuation.

Net metering policies in your state also affect how appraisers and buyers value your solar system. In states with strong net metering that credits you at the full retail rate for excess electricity sent back to the grid, your system's value is higher because the financial return is better. States that have reduced or eliminated retail rate net metering offer lower returns for solar production, which affects both the monthly savings and the perceived value of the system. Stay informed about your state's net metering policies because changes to these rules can affect the value of your installation. Some states have grandfathered existing solar customers into older, more favorable net metering rates, which makes those systems more valuable than new installations under current rules.

If you are installing solar panels with an eye toward increasing your home's value, several decisions will help you maximize the return. First, buy rather than lease. The resale value advantage of owned systems over leased systems is significant and well documented. Second, size your system to cover most or all of your electricity consumption so the savings are substantial and obvious to potential buyers. Third, choose high efficiency panels from a well known manufacturer with a strong warranty. Fourth, keep detailed records of your system's production, maintenance, and warranty coverage. Fifth, work with a reputable installer who pulls proper permits and ensures the installation meets all local building codes and utility requirements.

The aesthetics of your installation also matter. Flush mounted panels that sit close to the roof line look cleaner and more integrated than older rack mounted systems that stand several inches above the surface. All black panels blend better with most roof colors than panels with visible silver grid lines and white backing. A clean, professional installation on a roof in good condition adds curb appeal rather than detracting from it. If your roof will need replacement within the next five to ten years, consider replacing it before or during the solar installation so the panels sit on a fresh roof with decades of life remaining. Removing and reinstalling panels to replace a roof after the fact costs $2,000 to $5,000 and creates an unnecessary complication for future buyers. Planning ahead ensures your solar investment provides the maximum financial and aesthetic benefit for as long as you own the home and when you eventually sell.