How long is a solar panel warranty?

The length of a solar panel warranty varies depending on the manufacturer, but a 10-year product warranty and a 25-year performance warranty are considered a bare minimum in the solar industry. Some manufacturers offer a 25-year product warranty and a 30-year performance warranty. How long should solar panels last?

What is a performance warranty on solar panels?

Conclusion A performance warranty guarantees that the solar panel will not degrade below a certain percentage over a specified period, usually 25 to 30 years. This type of warranty is essential because solar panels naturally degrade over time.

What should I look for in a solar panel performance warranty?

Ideally, you should look for a solar panel performance warranty with the following conditions: Some solar manufacturers will guarantee a degradation rate as low as 0.25% per year, and a performance warranty period of up to 30 years. The best solar companies offer homeowners an installation warranty of their own.

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.

Can a solar panel warranty be voided?

For example, warranties may be voided if the solar panels are not installed according to specified guidelines or if unauthorized modifications are made. Certain solar panel warranties might not cover fire damage or other outside sources.

What is a solar contractor warranty?

Solar contractor warranties are essential to your solar energy system’s overall protection. These warranties, provided by the installer, generally cover workmanship and installation issues. They ensure the solar panels are correctly installed, and the system operates as intended. The duration of contractor warranties can vary.