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What Is the Lifespan of Solar Panels?

August 2, 2021

Solar panels are considered a long-term investment for many homeowners. However, the lifespan of your solar panels depends on the quality of materials and the knowledge and experience of a qualified installer.

When all factors are considered, the average lifespan of the typical solar panel installation should range somewhere between 25 to 30 years.

Here are some facts and tips to help you get the most out of your solar panel system.

Long Lifespan

The typical solar panel comes with a warranty that can protect you from unexpected inefficiencies or damages.

Depending on the manufacturer, you might find solar panels with a 20-25 year guarantee that they will function within 80% of their original capacity.

However, you can expect your panels to last even longer than that – sometimes 30 years or more – though they likely won’t be as efficient and may show signs of material degradation.

Check with a solar energy experts for specific information about your panels.

Durable Material

Solar panels are usually made from crystalline silicon encased in a sturdy glass sheet. Though many have tried to use other materials to harness solar energy, silicon has proved to be the most efficient and the most reliable over time.

With the solar cells set inside a durable metal and glass frame, they are protected from any environmental hazards which could break them. The worst Florida can throw at a solar panel is a hurricane, but most solar systems are rated to withstand winds of up to 140 mph and are completely waterproof.

You shouldn’t have to worry about the durability of your solar panels any more than you would worry about the durability of your roof.

Solar Panels Degrade Very Slowly

Solar panels, when properly maintained, degrade very slowly. This means you will get many years of prime use out of them before experiencing signs of aging. Recent changes in technologies have allowed for the degradation rate to drop even more. However, homeowners should still be conscious of several factors that can extend the lifespan and efficiency of their solar panels.

Regular Panel Inspections Extend Lifespan

Don’t throw the installer’s business card out just yet. Regular inspections by a qualified individual will maintain the integrity of the factory warranty and ensure the system stays in top shape, functions at a high capacity, and produces years of electricity. Inspections can prevent or repair the following:

  • Loose solar panel racks.
  • Exposed wiring.
  • Dirt and debris affecting the solar panels functionality.
  • Malfunctioning solar inverter

As long as you schedule regular maintenance appointments and the panels avoid serious damage from a severe weather event, then the system should produce electricity for decades to come. 

Long-Lasting Solar Panels

The more you put into protecting your investment the more likely you are to not incur problems that will cost excessive time and money to fix. Solar panels are an investment into the future of your home and should continue to be viewed as such for the duration of their serviceable lifespan. If so, you will be very happy with your decision to go solar.

To ensure you get a long-lasting solar panel system for your home, turn to solar professionals with a long and reliable history in the solar power industry. At PES Solar, we have over 20 years of solar power experience and will apply our expertise to help you get the solar panel system that fits both your home and budget. To get started, contact PES Solar today at (800) 650-6519.