What types of warranties cover solar panels?

There are two basic types of warranties that cover solar panels. A product warranty 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

Do solar panels have a performance warranty?

A performance warranty, on the other hand, guarantees that your solar panels will produce a certain amount of electricity over their lifespan. Most performance warranties promise that panels will operate at 90% capacity for the first 10 years, then 80% for the remaining 15-20 years.

How do I get a solar panel warranty?

Generally, the most robust warranties are obtained by hiring installation companies certified by the solar brands they represent. Alternatively, long warranties can also be secured from solar manufacturers that provide their own installation services. What Is Not Covered by a Solar Panel Warranty?

Which solar panel manufacturer has the best warranty coverage?

There are a few manufacturers that go above and beyond with their warranty protection. SunPower is, by far, the best solar panel manufacturer in terms of warranty coverage for its products, and Tesla is another excellent provider that has above-average coverage overall. Some of the best warranties come from the following manufacturers:

Are extended solar panel warranties necessary?

Some companies offer extended solar panel warranties just for registering your products, while others charge a fee to gain access to the added coverage. If you get any additional coverage for registering with the manufacturer, we strongly recommend you take it.

How long does a solar panel warranty last?

The average warranty coverage from panel manufacturers includes 25 years of coverage for the equipment and manufacturer defects and 25 years of guaranteed maximum efficiency losses. Most manufacturers don’t handle installations as well, so they don’t typically provide labor or roof leak warranties.