How long does solar power last

How long do solar panels last?

This gradual decline in performance is called the degradation rate. While properly cared for panels can last up to 50 years, the accepted industry estimation of how long solar panels last is 25–30 years. The U.S. Department of Energy cites an estimated operational lifespan of 30–35 years for solar panels but notes that some may last much longer.

Do solar panels expire?

There is technically no expiration date on solar panels. However, over time, they naturally tend to become less efficient at producing energy. Some panels can also break due to physical damage from extreme weather conditions.

Do solar panels stop working after 25 years?

After 25 years, solar panels will be less efficient and produce less power. This doesn’t mean your solar panels will stop working, but they may be less effective at powering your home and lowering your energy savings. When panels degrade to the point where they no longer produce power, they’re ready to be recycled.

How often should solar panels be serviced?

Homeowners should have their panels inspected and serviced every 3 to 5 years. Service technicians not only work on the panels but also check wiring, inverters, major connection points, and battery banks if present. Investing in high-quality solar panels and equipment can significantly impact the system’s longevity.

Are solar panels durable?

Solar panels are generally very durable. Most solar panels are designed and tested to withstand the elements like hail, high winds, and heavy snow loads. And thanks to their lack of moving parts, solar panel systems usually require little to no maintenance. Still, maintaining your solar panels can boost production.

Do solar panels degrade over time?

While solar panels will inevitably degrade over time, homeowners can take several steps to maximize their lifespan and maintain optimal performance. Maintaining solar panels is key to ensuring a long lifespan. Panels can accumulate dust, dirt, and bird droppings over time, which blocks sunlight and reduces efficiency.