When you buy solar panels, it’s important to know about the warranty. A warranty is like a promise from the company that made the solar panels. It tells you that the panels will work well for a while. In this guide, we’ll explain everything you need to know about best solar panels warranty in simple words.
What is a Solar Panel Warranty?
A solar panel warranty promises that the panels will last a long time and work properly. If something goes wrong with the panels during the warranty period, the company will fix them or give you new ones.
Types of Solar Panel Warranties
There are two main types of warranties for solar panels:
1. Product Warranty
A product warranty will cover any issue related to the materials or workmanship of the solar panels. In other words, should a panel crack, stop working, or otherwise exhibit a defect due to how it was made, the product warranty steps in to ensure you either get your problems fixed or get a replacement. These warranties usually range from 10 to 25 years, with the longer the warranty, the better the protection and peace of mind.
2. Performance Warranty
This is a type of guarantee that a given electricity output by the solar panels can be produced over some period. If all the panel produces power below the expected level, it is the responsibility of the company that is dealing with the same. These warranties normally last for 25 years, ensuring that your panels continue to generate enough current even after several years of use.
Importance of Warranties
Solar panels are quite an investment and thus one needs to ensure their durability. Warranties help protect your investments by ensuring that your panels will serve you well for many years. Should anything befall them, they would save you some money in repairs or replacements.
Checking for a Best Solar Panels Warranty
When looking for solar panel warranties, consider these factors:
Warranty Duration
Longer warranties are better as they offer better protection for your panels over the years. Look for warranties that run for 25 years or more.
Coverage
Ensure that the warranty covers both the product (for any damage) and performance (for the amount of electricity produced by the panels). This way, you’re always covered.
Transferability
When you sell your house, some warranties can be transferred to a new owner. Moving to a new home can increase its value.
Company’s Reputation
Opt for warranties from established companies with good reputations. This way, you can be sure that they will still be there to assist you if something goes wrong.
Best Warranty Solar Panel Manufacturers
The panels made by certain brands are well-known for their impressive warranties. Here are some examples:
SunPower
This one has got you covered for 25 years in product and performance warranty – truly among other warranties offered in the solar industry.

LG
With this 25-year warranty on both quality performance and manufacturing, LG has established a foothold in the solar market thanks to its excellent solar modules revered for their superior quality as well as longevity.

Panasonic
Panasonic offers a 25-year product and performance warranty on its panels which are designed to last well beyond the solar panel’s usual lifespan.

Tesla
Tesla has solar panels that come with an unconditional 25-year warranty (for both product and performance). They’re quite popular among customers who wish to connect them with Tesla Powerwall batteries.

Conclusion
When purchasing solar panels, warranties are an important factor. They guarantee that your panels will remain functional over an extended period while protecting your money. In terms of warranty, a long one that is all-inclusive and comes from a reputable organization would be the best option with which to choose solar panels. This way, it allows you to use the sun’s energy without being stressed up.
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