25 Year Warranty Solar Panels

An example of a power warranty by yingli solar on their yge series solar panel.

25 year warranty solar panels. Sunpower covers 100 of repair or replacement costs while conventional solar warranties don t from labor to shipping to parts we ve got your covered for 25 years plus we guarantee that your panels won t lose more than 8 of their original dc power output in 25 years compared to 19 for conventional solar. They also have a limited power warranty promising that solar panels will retain at least 90 76 of their power output capability across the 25 year warranty timespan. Solar panels come with two warranties product and performance. At your request tesla will process your claim and perform any related labor at our cost.

It seems the 25 year warranty is really based on solar financing. A better warranty starts with a better product. An equipment warranty will typically guarantee 10 12 years without failing. 25 year panel performance warranty your solar panels are guaranteed by their manufacturer to at least 80 of nameplate power capacity for at least 25 years.

25 year industry leading warranty the sunpower complete confidence warranty is the only home solar warranty to cover your whole system not just the panels so you never have to wonder which company you can depend on. A solar panel s product warranty insurance covers the integrity of the panel itself and protects you against problems such as manufacturing defects environmental issues premature wear and tear etc. In addition it guarantees 91 percent of rated power for solar panels over the term of the warranty which is higher than other solar modules on the market today. Solaria s warranty covers both workmanship and power.

A solar panel has two warranties. 25 year warranty our panels are certified to the highest quality standards ensuring reliable power generation day in and day out. This may be in the form of a limited power warranty which will state that after 10 years and then 25 years a solar panel manufacturer will guarantee that their solar panel will produce x amount of power as a percentage of peak minimum or a linear power warranty which plots a linear curve of power loss over 25 years. In the past to make the numbers work you needed to extend the performance life of the system for 25 to 30 years.

And certified by global testing agencies. Its 25 year warranty is one of the longest in the industry. Panasonic s solar warranties vary based on product with most entries coming with a 25 year limited product warranty. Performance warranties are all either 25 or 30 years regardless of the quality of the solar panel and generally cover bugger all once you read the small print.

I come from the roofing industry where most roofs rarely make it to the 25 or 30 year roof warranty end. Sunpower monitoring hardware warranty 10 years duration. A solar panel s performance warranty will typically guarantee 90 production at 10 years and 80 at 25 years.