{"id":10171,"date":"2022-11-18T18:31:16","date_gmt":"2022-11-18T18:31:16","guid":{"rendered":"https:\/\/www.solar.com\/learn\/?p=10171"},"modified":"2023-02-07T16:15:47","modified_gmt":"2023-02-07T16:15:47","slug":"solar-panel-warranty-guide-what-you-need-to-know","status":"publish","type":"post","link":"https:\/\/www.solar.com\/learn\/solar-panel-warranty-guide-what-you-need-to-know\/","title":{"rendered":"Solar Panel Warranty Guide: What You Need to Know"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Going solar is a long-term investment energy savings and a clean energy future. And there\u2019s nothing to protect that investment like a long and robust solar panel warranty.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In order to get the most out of your investment, it\u2019s important to know how solar panel warranties work and what types of warranties are available.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In this article, we\u2019ll cover:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#types\"><span style=\"font-weight: 400;\">Types of solar panel warranties<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#monitor\"><span style=\"font-weight: 400;\">How to monitor your solar panels<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#claim\"><span style=\"font-weight: 400;\">How to make a solar panel warranty claim<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#faq\"><span style=\"font-weight: 400;\">Frequently asked questions<\/span><\/a><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Let\u2019s dive right in by identifying the two main types of solar panel warranties.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\"><a id=\"types\"><\/a>Types of solar panel warranties<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">There are two basic types of warranties that cover solar panels.\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A <\/span><b>product warranty <\/b><span style=\"font-weight: 400;\">protects you from defects in a solar panel stemming from material quality or manufacturing errors. This is also referred to as an equipment or materials warranty<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A <\/span><b>performance warranty <\/b><span style=\"font-weight: 400;\">guarantees that a panel will maintain a certain percentage of its original power output over a period of time. This is also known as a power output warranty.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">It\u2019s important to note that warranties vary by manufacturer, location, and panel type. We\u2019ll provide some general information about product and performance warranties below, but it\u2019s best to refer to the manufacturer for specifics.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Solar panel product warranty<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Solar panel product warranties protect you from defects stemming from material quality or manufacturing errors.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Defects covered by a product warranty are typically immediately apparent, and your installer will likely catch them before the panel is even installed. However, it may also include less visible issues like premature wear, faulty wiring, and corrosion.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The length of a product warranty varies based on the manufacturer and model. Traditionally, these warranties typically last 10-15 years, although it is becoming more common for premium panels to have 20 and 25 year product warranties.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If a panel fails within the warranty period, the manufacturer will typically replace or refund the panel. Some product warranties also cover the labor and shipping costs and others don\u2019t.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Solar panel failures are very rare. In fact, a <a href=\"https:\/\/www.nrel.gov\/news\/program\/2017\/failures-pv-panels-degradation.html\" target=\"_blank\" rel=\"noopener\">study by the National Renewable Energy Laboratory<\/a> (NREL) found that just 5 in 10,000 modern solar panels fail \u2013 a rate of 0.05%.\u00a0<\/span><span style=\"font-weight: 400;\">However, solar panels are an investment worth protecting with a solid product warranty.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Solar panel performance warranty<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">While a product warranty protects you from defective equipment, a performance warranty ensures that solar panels maintain a certain level of output throughout their lifetime, typically 25 years.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Like anything exposed to the elements, solar panels naturally degrade over time. As they degrade, their ability to generate electricity diminishes.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A performance warranty guarantees a maximum level of degradation \u2013 typically between .25% and .75% \u2013 per year so that in 25 years the panel will still have 80-90% of the power output it did in its first year.<\/span><\/p>\n<h4><span style=\"font-weight: 400;\">25-year performance warranty example<\/span><\/h4>\n<p><img loading=\"lazy\" class=\"aligncenter size-medium\" src=\"https:\/\/assets.solar.com\/wp-content\/uploads\/2022\/11\/solar-panel-warranty-chart.png\" alt=\"solar panel performance warranty graph\" width=\"720\" height=\"330\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Performance warranties are important for sizing solar systems to maintain 100% offset for 25 years.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">It\u2019s important to note that the performance warranty guarantees the panel\u2019s <\/span><i><span style=\"font-weight: 400;\">ability <\/span><\/i><span style=\"font-weight: 400;\">to produce a certain amount of electricity \u2013 not that the panel <\/span><i><span style=\"font-weight: 400;\">will <\/span><\/i><span style=\"font-weight: 400;\">produce that amount. However, if you notice a decline in performance in a properly installed panel with adequate sunlight, your performance warranty should apply.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Solar panel warranties by manufacturer<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">As we mentioned above, product and performance warranties vary from manufacturer to manufacturer, and model to model.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Here\u2019s a quick glance at the warranties for some of the most popular solar panels sold through the solar.com network:<\/span><\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-medium\" src=\"https:\/\/assets.solar.com\/wp-content\/uploads\/2022\/11\/solar-warranty-chart.png\" alt=\"solar panel warranty chart\" width=\"2264\" height=\"2073\" \/><\/p>\n<h2><span style=\"font-weight: 400;\">Other solar warranties<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">In addition to product and performance warranties from solar panel manufacturers, you should also be aware of installer warranties and warranties through marketplaces like solar.com.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Installer warranties<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">There are two types of installer warranties to be aware of, although not all installers offer both.<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Installer workmanship warranty<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Performance guarantee<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">An <\/span><b>installer workmanship warranty<\/b><span style=\"font-weight: 400;\"> covers damages and defects caused during the installation process. This ensures that your solar system is installed correctly and you won\u2019t foot the bill for any damages done by the installers.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Installer workmanship warranty periods can range from 10-25 years.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">An <\/span><b>installer performance guarantee <\/b><span style=\"font-weight: 400;\">ensures that the system produces a certain amount of electricity over the warranty period. So if your system was designed to produce 8,000 kWh per year and it only produces 7,500 kWh, the installer will fix the system and\/or reimburse you for the lost production.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Installer performance guarantees can last between 5-10 years and the specifics vary by company.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Marketplace warranty<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Finally, if you go solar through a marketplace like solar.com, you may also be covered by <\/span><i><span style=\"font-weight: 400;\">another <\/span><\/i><span style=\"font-weight: 400;\">layer of warranties<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For example, solar.com offers a <\/span><a href=\"https:\/\/www.solar.com\/learn\/pick-my-solar-launches-triguard-three-levels-of-pretection-for-home-solar\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">TriGuard Guarantee<\/span><\/a><span style=\"font-weight: 400;\">. This marketplace warranty includes:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A production guarantee for 90% of the kilowatt hours agreed upon in your contract<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A 10 year installer workmanship warranty<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A 10-year manufacturers product warranty plus a 25 year manufacturers minimum power production warranty<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">There are few, if any, investments that offer this type of layered long-term protection.<\/span><\/p>\n<p><strong>Related Reading:<\/strong> <a href=\"https:\/\/www.solar.com\/learn\/solar-panels-for-home\/\" target=\"_blank\" rel=\"noopener\">How To Choose Solar Panels for Your Home<\/a><\/p>\n<h2><span style=\"font-weight: 400;\">How to monitor your solar panels<a id=\"monitor\"><\/a><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">A solar panel warranty is important to have, but it won\u2019t do much good unless you can monitor your system and identify issues.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You may be able to identify larger issues, such as cracking, with the naked eye. But performance issues are most easily identified through a digital system monitoring app or web portal.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Most <a href=\"https:\/\/www.solar.com\/learn\/micro-inverter-string-inverter-comparison-solar-equipment\/\" target=\"_blank\" rel=\"noopener\">modern solar inverters<\/a> come equipt with monitoring systems for tracking your panels\u2019 performance. <\/span><span style=\"font-weight: 400;\">Here\u2019s a look at the interface for Enphase Enlighten \u2013 a popular monitoring system.<\/span><\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-medium\" src=\"https:\/\/assets.solar.com\/wp-content\/uploads\/2022\/11\/enphase-system-monitoring.png\" alt=\"solar panel warranty monitoring system\" width=\"2436\" height=\"1248\" \/><\/p>\n<p><a href=\"https:\/\/floridasolardesigngroup.com\/inside-enphase-enlighten-solar-monitoring\/\" target=\"_blank\" rel=\"noopener\"><i><span style=\"font-weight: 400;\">Image source<\/span><\/i><\/a><\/p>\n<p><span style=\"font-weight: 400;\">As you can see, the bottom left panel on the South First Story array is performing well below its neighboring panels. This could be due to shading or dust build-up \u2013 or it could be a sign of a defect or installation error.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Regardless, decreased production translates to a longer payback period and lower return on investment, and a real-time digital monitoring system can help you identify and resolve issues quickly.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">How to make a solar panel warranty claim<a id=\"claim\"><\/a><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">If you notice a visible defect or performance issue with one of your solar panels, your first move is to call your installer. <\/span><i><span style=\"font-weight: 400;\">Do NOT handle the panel or try to fix the issue yourself, as this can void your warranty.<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400;\">Your installer will perform an onsite and\/or remote inspection of the panel to diagnose of the issue. If it stems from the manufacturer, they will help you make a claim and prepare the necessary documents and photographs.<\/span><\/p>\n<p><b>This is why it is so important to work with established and trusted installation companies. <\/b><span style=\"font-weight: 400;\">If you have an issue with your system and the installer is unresponsive or out of business, it is much more difficult to make warranty claims.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">That\u2019s why we require installers to have a minimum three years of experience (along with many other qualifications) to join the solar.com network.\u00a0<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">The bottom line<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">As a long-term investment in energy savings and the ecosystem, it is crucial to protect your solar panels with robust manufacturer and installer warranties.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Manufacturers typically offer two types of solar panel warranties: Product and performance. Together, these protect you from panel defects and ensure your panels are able to perform at a certain level throughout their life.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Installer warranties protect you from damages and errors during the installation process.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">It\u2019s important to have a real-time digital monitoring system to catch performance issues in your solar panels. If an issue does arise, contact your installer to identify the cause and , if necessary, prepare a warranty claim.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Solar panel warranty FAQs<a id=\"faq\"><\/a><\/span><\/h2>\n<h3><span style=\"font-weight: 400;\">Do solar panels void roof warranty?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">No, a quality solar installation should not void your roof warranty. In fact, some companies provide both roofing and solar installation services and provide warranties for both.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">However, it is very important to go through an experienced, reputable solar company that uses quality equipment and installation techniques. Inexperienced and careless installers can do damage that will void your roof warranty \u2013 and may not be around to clean up their mess.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Are solar panel warranties transferable?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">In most cases, solar panel warranties are transferable to the new owner in a home sale. However, some warranties are restricted to the original owner, so it is crucial to clarify this point with the manufacturer and installer offering the warranty.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">As soon as you know you are selling your home, contact your solar installer and the solar panel manufacturer to make them aware and start the process of transferring your warranty.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Do home warranties cover solar panels?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">If your solar panels are attached to your roof, they may be included in the dwelling coverage your homeowners insurance policy. If the panels are ground-mounted or intsalled on a detached structure (like a shed or garage), they may be included in \u201cother structures\u201d coverage.\u00a0\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Each policy is different, so it is critical to check with your homeowners insurance provider to see if your panels can be insured. Your homeowners insurance is a great way to protect your panels for natural disasters and \u201cActs of God\u201d that aren\u2019t covered by manufacturer and installer warranties.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If your homeowners insurance doesn\u2019t cover your solar panels, it may be worth looking into specific <\/span><a href=\"https:\/\/www.solar.com\/learn\/solar-panel-insurance\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">solar panel insurance to protect your investment<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Going solar is a long-term investment energy savings and a clean energy future. And there\u2019s nothing to protect that investment like a long and robust solar panel warranty. In order&#8230;<\/p>\n","protected":false},"author":51,"featured_media":8166,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":""},"categories":[99,3],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v19.5 (Yoast SEO v19.10) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Solar Panel Warranty Guide: What You Need to Know | Solar.com<\/title>\n<meta name=\"description\" content=\"A solar panel warranty is the best way to protect your investment and maximize your energy savings. 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