{"id":383,"date":"2010-12-31T15:50:37","date_gmt":"2010-12-31T06:20:37","guid":{"rendered":"http:\/\/www.solarquotes.com.au\/blog\/?p=383"},"modified":"2017-07-05T14:21:51","modified_gmt":"2017-07-05T03:51:51","slug":"solar-panel-warranties-%e2%80%93-how-to-make-sure-yours-is-worth-more-than-the-paper-it-is-written-on","status":"publish","type":"post","link":"https:\/\/www.solarquotes.com.au\/blog\/solar-panel-warranties-%e2%80%93-how-to-make-sure-yours-is-worth-more-than-the-paper-it-is-written-on\/","title":{"rendered":"Solar Panel Warranties \u2013 How to make sure yours is worth more than the paper it is written on:"},"content":{"rendered":"<p>All solar panels should come with 2 types of warranty:<\/p>\n<ul>\n<li>Power Output Warranty : usually 20-30 years<\/li>\n<li>Material Warranty : usually 2 to 10 years<\/li>\n<\/ul>\n<p><strong>1. <\/strong><strong>The Power Output Warranty<\/strong><\/p>\n<p><strong> <\/strong>This<strong> <\/strong>covers the power from the panels. Usually if the power drops to less than 80% of the specification in the first 20-30 years, you can make a claim on the warranty.<\/p>\n<p>That\u2019s all well and good but you need to be confident that you will firstly be able to measure and prove that the power has dropped, and secondly be able to contact the correct company to get any warranty claims honored.<\/p>\n<p>Ask to see the warranty details in writing. Get the installer\/salesperson to show you where it states how the power from your panels will be measured if you suspect that the power has dropped, who will measure it and if they will charge you for the privilege.<\/p>\n<p>Also ask them to show you where it says how the warranty claim will be handled, who is responsible for honoring it and what costs you might incur. Will they charge you to remove, ship and test the faulty panel and then ship and install the new solar panel.<\/p>\n<p>If your solar installer or salesperson can\u2019t answer these questions then that is a sign that they are badly trained or inexperienced or both.<\/p>\n<p>If the warranty is covered by the installing firm, ask what the backup is if they are not around in 20 years \u2013 (This even applies to the bigger solar installers \u2013 one thing the world has learned recently is that even huge companies can go bust if the economy changes\u2026). If you have to go back to the solar panel manufacturer, then go to the manufacturers website and see if you can find warranty details. If you can\u2019t find the website or the warranty details that is a bad sign\u2026<\/p>\n<p>Another great question to ask is: \u201cWhat % of your revenue do you put aside for future warranty claims?\u201d and also \u201cWhat % of the solar panel manufacturer\u2019s revenue is put aside for future warranty claims\u201d.<\/p>\n<p>The final thing to check out is whether this warranty is \u201clinear\u201d or \u201cstepped\u201d. A linear warranty of 80% (i.e. a 20% power drop) over 20 years would cover you if the output dropped by more than a twentieth of that 20% in the first year (i.e. 1%), then 2% in the second year and so on\u2026 at that linear rate of 1% per year until the solar panels were 20 years old.<\/p>\n<p>Linear warranties are rare, but some of the more expensive panels do have them. The more common \u201cstepped\u201d warranty means that, for the \u201c80% over 20 years\u201d example, your panels can lose 19% in the first year and you won\u2019t be covered unless they lose another 1% in the remaining 19 years to get under that 80% threshold.<\/p>\n<p><strong>2. <\/strong><strong>The Material Warranty<\/strong><\/p>\n<p><strong> <\/strong><\/p>\n<p><strong>The material warranty<\/strong> (2-10 years) is usually for defects that may cause the power of your panels to drop \u2013 but don\u2019t cause the power to drop below the \u201cpower output warranty\u201d threshold.<\/p>\n<p>So if you have a power output warranty of \u201c80% over 20 years\u201d and some water gets into one of your panels causing the overall system power to drop 19% &#8211; this would be covered by the \u201cmaterial warranty\u201d, not the \u201cpower output warranty\u201d.<\/p>\n<p>This can be for stuff like delamination of the backing sheet, discoloration of the solar panels (can look really naff!), solder joints coming undone and bypass diodes failing.<\/p>\n<p>Again \u2013 ask your solar installer or sales person to give you a comprehensive list of things that are covered by this warranty.<\/p>\n<p><strong>Finally: watch out for get out clauses<\/strong><\/p>\n<p><strong> <\/strong><\/p>\n<p>In some of the small print in the terms and conditions published by the bottom end of the solar market, I\u2019ve seen clauses that say your warranty isn\u2019t valid unless you get your system \u201cserviced\u201d every 2 years.<\/p>\n<p>If you have one of these clauses, find out exactly what defines \u201cserviced\u201d and how much it is going to cost. This is especially important if you are buying a really cheap solar system with panels of questionable lifespan. The last thing you want is for your panels to fail after 3 years and then have the warranty knocked back because you didn&#8217;t get your panels &#8220;serviced&#8221; within 2 years!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>All solar panels should come with both a &#8220;power output warranty&#8221; and a &#8220;material warranty&#8221;. What is the difference and how do you make sure they will give you the protection you need?<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[46],"tags":[83],"class_list":["post-383","post","type-post","status-publish","format-standard","hentry","category-solar-panels-2","tag-warranties-solar-panels-2","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Solar Panel Warranties<\/title>\n<meta name=\"description\" content=\"What to look for in a solar panel warranty - 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One is a product warranty covering defects in design, materials and manufacture and the other is a performance warranty covering a\u2026","rel":"","context":"In &quot;General Solar &amp; Storage News&quot;","block_context":{"text":"General Solar &amp; Storage News","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/solar-battery-news\/"},"img":{"alt_text":"REC solar panels","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/01\/rec-panel-warranty.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/01\/rec-panel-warranty.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/01\/rec-panel-warranty.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/01\/rec-panel-warranty.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":58697,"url":"https:\/\/www.solarquotes.com.au\/blog\/sunpower-maxeon-warranty-boost-mb2344\/","url_meta":{"origin":383,"position":1},"title":"SunPower Maxeon Solar Panels May Outlive You","author":"Michael Bloch","date":"February 7, 2022","format":false,"excerpt":"Premium solar panel manufacturer Maxeon is very confident its modules will last a very long time. So much so, the company has beefed up the warranty on its flagship SunPower Maxeon product line. Solar panels come with two warranties - product and performance. The product warranty covers defects in materials\u2026","rel":"","context":"In &quot;General Solar &amp; Storage News&quot;","block_context":{"text":"General Solar &amp; Storage News","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/solar-battery-news\/"},"img":{"alt_text":"SunPower Maxeon solar panel warranty","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2022\/02\/sunpower-maxeon-warranty.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2022\/02\/sunpower-maxeon-warranty.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2022\/02\/sunpower-maxeon-warranty.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2022\/02\/sunpower-maxeon-warranty.png?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2022\/02\/sunpower-maxeon-warranty.png?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":97035,"url":"https:\/\/www.solarquotes.com.au\/blog\/solar-panel-performance-warranties-mb3350\/","url_meta":{"origin":383,"position":2},"title":"Old Solar Panels Living Up To Performance Warranty Promises","author":"Michael Bloch","date":"January 5, 2026","format":false,"excerpt":"A bunch of solar panels installed in the 1990's have undergone testing; the results of which indicate maximum degradation levels stipulated in long performance warranties are realistic. What's The Difference Between A Product And Performance Warranty? A product warranty covers defects in manufacturing (materials, workmanship). Most decent panels come with\u2026","rel":"","context":"In &quot;Solar Panels&quot;","block_context":{"text":"Solar Panels","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/solar-panels-2\/"},"img":{"alt_text":"Performance testing results of old solar panels.","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/01\/old-solar-performance.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/01\/old-solar-performance.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/01\/old-solar-performance.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/01\/old-solar-performance.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/01\/old-solar-performance.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":7953,"url":"https:\/\/www.solarquotes.com.au\/blog\/warranty-and-law\/","url_meta":{"origin":383,"position":3},"title":"Congratulations!  Your 10 Year Solar Panel Product Warranty Is Probably 25 Thanks To Australian Consumer Law","author":"Ronald Brakels","date":"November 15, 2016","format":false,"excerpt":"When people ask me about solar panel warranties, I tell them to look at the\u00a0product warranty.\u00a0 This is usually for 10 or 12 years. I tell them not to worry about the performance warranty, which is normally for 25 years or sometimes 30. \u00a0You see, while most manufacturers are happy\u2026","rel":"","context":"In &quot;Solar Panels&quot;","block_context":{"text":"Solar Panels","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/solar-panels-2\/"},"img":{"alt_text":"magician turning a 10 year warranty in to 25 year warranty","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2016\/11\/Magician_Warranty.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2016\/11\/Magician_Warranty.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2016\/11\/Magician_Warranty.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":48406,"url":"https:\/\/www.solarquotes.com.au\/blog\/leapton-solar-warranty-mb1915\/","url_meta":{"origin":383,"position":4},"title":"Product Warranty Boosted On Leapton Solar Panels","author":"Michael Bloch","date":"March 15, 2021","format":false,"excerpt":"We've been reliably informed that the product warranty on Leapton solar panels has been significantly increased for modules installed in Australia. If you haven't heard of Leapton before, they are a fairly new entrant on the Australian solar panel scene, but the company has been operating since 2012. While originally\u2026","rel":"","context":"In &quot;General Solar &amp; Storage News&quot;","block_context":{"text":"General Solar &amp; Storage News","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/solar-battery-news\/"},"img":{"alt_text":"Leapton solar panel warranty","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2021\/03\/leapton-solar-warranty.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2021\/03\/leapton-solar-warranty.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2021\/03\/leapton-solar-warranty.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2021\/03\/leapton-solar-warranty.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2021\/03\/leapton-solar-warranty.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":22454,"url":"https:\/\/www.solarquotes.com.au\/blog\/solar-panel-performance-warranty-crap\/","url_meta":{"origin":383,"position":5},"title":"Bad News: Your Solar Panel Performance Warranty Is Probably Crap","author":"Ronald Brakels","date":"June 27, 2018","format":false,"excerpt":"SALESMAN:\u00a0 Hi everybody!\u00a0 I'm Ronald Brakels and have I got a deal for you!\u00a0 Right now, for a limited time only, I am selling Brakels LED lights.\u00a0 And let me tell you, they're the best.\u00a0 We have all the best LEDs here at Brakels Incorporated.\u00a0 If you install these LED\u2026","rel":"","context":"In &quot;Solar Panels&quot;","block_context":{"text":"Solar Panels","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/solar-panels-2\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2018\/06\/canstockphoto51722817.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2018\/06\/canstockphoto51722817.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2018\/06\/canstockphoto51722817.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2018\/06\/canstockphoto51722817.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/posts\/383","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/comments?post=383"}],"version-history":[{"count":6,"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/posts\/383\/revisions"}],"predecessor-version":[{"id":388,"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/posts\/383\/revisions\/388"}],"wp:attachment":[{"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/media?parent=383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/categories?post=383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/tags?post=383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}