How many years is the warranty period for photovoltaic panels

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About How many years is the warranty period for photovoltaic panels

Most manufacturers give 10- to 12-year equipment warranties, and some premium warranties cover the full system for as long as 25 years.

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6 FAQs about [How many years is the warranty period for 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.

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

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.

Why are solar panel warranties important?

Solar panel warranties are important to make sure you get the expected electricity savings over time. For example, if your solar energy system is expected to save at least $1,200 per year, a 25-year warranty means you get $30,000 in guaranteed savings. Solar panel warranties also help you qualify for favorable loan conditions.