How many years is the warranty period for new energy photovoltaic panels

How long is a solar panel warranty?

Solar panel warranties vary depending on the manufacturer, but in the solar industry, a 10-year product warranty and a 25-year performance warranty are typically considered the minimum standard. However, some manufacturers provide a 25-year product warranty and extend the performance warranty to 30 years. How Much Does a Solar Panel Warranty Cost?

Which solar panels have a 25-year warranty?

SunPower has the best solar panel warranties, with a 25-year product warranty and a power performance guarantee of 92% after 25 years. However, Panasonic also offers some of the best solar panel warranties in the PV industry, with a power performance guarantee of 90.8% after 25 years. What Solar Panels Have a 25-year Warranty?

What is a performance warranty on a solar panel?

A performance warranty guarantees a maximum level of degradation – typically between .25% and .75% – per year so that in 25 years the panel will still have 80-90% of the power output it did in its first year. Performance warranties are important for sizing solar systems to maintain 100% offset for 25 years.

How long does a panel warranty last?

Although most major module manufacturers offer equipment warranties for at least 10 or 12 years, some premium panel manufacturers or lines have longer protection, such as 20- or even 25-year warranties. Gradually, some manufacturers have been offering longer product warranties. Just 10 years ago, few offered product warranties of 25 years.

Are solar panels covered under warranty?

And if you plan to get a solar battery with your solar panel system, the battery is covered under a different warranty. The average battery warranty is 10 years. Your solar panel's performance warranty guarantees that your panels will produce a certain amount of electricity over the term of the warranty.

What is a solar energy power output warranty?

Solar energy power output warranties help guarantee that your panels won’t rapidly lose efficiency, which would lead to lower and lower energy savings over time. The typical solar array pays for itself in around 11 years and provides energy savings of more than $31,513 over the following 14 years of expected panel life.