Thirty Is the New 20: Why Solar Panels Last Longer Than You Think

When it comes to solar panels, 30 might just be the new 20.

A groundbreaking study from Switzerland found that solar arrays installed more than three decades ago are still running strong—retaining over 80% of their original power output. These systems, some dating back to 1987, prove that well-built solar panels can deliver reliable, clean energy for far longer than most people expect.

“This really shows that photovoltaics can last … and it’s an important message to the photovoltaic industry,” said lead researcher Ebrar Özkalay of the University of Applied Sciences and Arts of Southern Switzerland.

Built to Last

The study, highlighted by Chemistry World, examined six solar installations across Switzerland. Despite extreme conditions—including varying temperatures, climates, and mounting setups—the panels continue to perform. Experts point to material quality as the biggest factor in this impressive longevity.

Dirk Jordan, a solar expert at the U.S. National Renewable Energy Laboratory, explained:

“The bill of materials—everything that goes into a panel—has a great influence on performance, even when made by the same company.”

In short, the better the build, the better (and longer) your solar system performs.

Why This Matters for Homeowners

Solar panels are typically marketed with a 25- to 30-year life expectancy, but this research shows that with proper installation and quality equipment, panels can deliver savings well beyond their warranty.

For homeowners, that means:
✅ More years of reduced energy bills
✅ Higher property values (homes with solar sell up to 20% faster and at a premium)
✅ A long-term hedge against rising utility costs

And when paired with battery storage or EV chargers, solar isn’t just about savings—it’s about future-proofing your home and lifestyle.

Solar’s Expanding Potential

Today, solar panels can be installed in more places than ever—balconies, building facades, even underneath train tracks. This flexibility ensures that clean energy can be integrated into almost any property, whether residential or commercial.

For communities, every new solar installation helps reduce reliance on fossil fuels, cutting air pollution and improving public health worldwide.

The Pangea Sun Advantage

At Pangea Sun, we design solar systems to maximize both immediate savings and long-term durability. Our turnkey process makes it easy for homeowners and businesses to go solar without hassle:

• Custom solar design tailored to your property’s needs

• EV charger integration for Tesla and all major electric vehicles

• Zero upfront cost options through leases and PPAs

• Revenue-sharing opportunities through our exclusive referral program

We don’t just install panels—we build sustainable solutions that pay off for decades.

Final Thought

The Swiss study is more than just good news about old panels—it’s proof that solar is a long-term investment in your home, your wallet, and the planet.

At Pangea Sun, we’re here to make sure your system is built to last just as long.

Ready to see how much you could save with a system designed for the future?
Contact us today for a free consultation before the tax credit deadline of December 31, 2025!

Chemistry World. (2024). Thirty-year-old solar panels still producing 80% of original power. Royal Society of Chemistry. Retrieved from https://www.chemistryworld.com