Solar panel warranty for businesses

Solar energy is one of the best investments you can make. Our panels are made from high-quality materials and designed to last for decades: quality - made to last. That's why SunPower is committed to providing a 10-year product warranty and a 25-year performance warranty to ensure that you get the best ROI from your SunPower^® photovoltaic system for years to come.

10 year SunPower product warranty

The product warranty covers all the SunPower components in your system - solar panels and inverter - and covers material and workmanship defects that occur under normal conditions of installation, application and use within the specified period.

25 year performance warranty

SunPower guarantees, for a period of twelve (12) years starting on the day the solar panel was supplied to the customer, that the nominal power of the panel will be no less than 90% of the minimum peak output specified in the product description supplied by SunPower.

SunPower guarantees for a period of thirteen (13) years starting twelve years after the day the solar panel was supplied to the customer, that the nominal power of the panel will be no less than 80% of the minimum peak output specified in the product description supplied by SunPower.

You will find details of our warranty conditions on our support page.