SunPower® Technology

For more than a quarter of a century, SunPower has been leading the solar revolution. We design, manufacture and deliver new solar technologies. Raise standards. Break records. And, we’re also changing the way the world is powered. That’s why the people who know solar choose SunPower.

Highest Efficiency


Not all solar panels are created equally. In fact, there’s a huge range in efficiency. So if you’re looking for efficient solar, look at the facts. SunPower® solar cells currently hold the world record in efficiency at 24 percent. And that’s why SunPower solar panels deliver up to 50 percent more energy than conventional panels. How do we do it? With our revolutionary patented, all-back contact, SunPower® Maxeon™ solar cell technology.

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Highest Efficiency

Not all solar panels are created equally. In fact, there’s a huge range in efficiency. So if you’re looking for efficient solar, look at the facts. SunPower® solar cells currently hold the world record in efficiency at 24 percent. And that’s why SunPower solar panels deliver up to 50 percent more energy than conventional panels. How do we do it? With our revolutionary patented, all-back contact, SunPower® Maxeon™ solar cell technology.

The front of our solar cell captures significantly more light than any other solar cells on the market—even in lowlight conditions. That’s because there are no metal gridlines on the surface to block the light, and because we use only the best, premium silicon inside our solar cells. Our wider metal contacts conduct more electrical current and a backside mirror reflects more light back into the cell. The bottom line? When you’re looking at solar, efficiency matters. And SunPower makes the most efficient solar energy systems in the world, delivering more solar electricity per square foot than any other solar power company on the planet.

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Highest Reliability


If you’re looking for reliable solar, look at the facts. SunPower solar energy systems are the most reliable in the world. Why? Because we’ve taken millions of hours of performance analysis and reengineered it back into the design of our solar cells, solar panels and solar energy systems. Our proprietary SunPower Maxeon™ back-contact solar cell design means that our panels hold up under harsh conditions—much better than those of our competitors.

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Highest Reliability

If you’re looking for reliable solar, look at the facts. SunPower solar energy systems are the most reliable in the world. Why? Because we’ve taken millions of hours of performance analysis and reengineered it back into the design of our solar cells, solar panels and solar energy systems. Our proprietary SunPower Maxeon™ back-contact solar cell design means that our panels hold up under harsh conditions—much better than those of our competitors.

And because the real-world is hard on solar panels, our testing goes above and beyond industry standards. In fact, we test far more rigorously than anyone in the industry. As a result, SunPower solar energy systems can endure hurricane-grade winds. They’re tough against hail stones. They’re solid in humid climates. And they stand up to extremely high temperatures. Bottom line: When you’re buying solar, reliability is crucial. And SunPower solar energy systems are the most rigorously tested, most reliable solar systems you can buy.

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Guaranteed Performance


From end to end, SunPower guarantees you the highest level of solar energy performance. Installation is fast to minimize disruption. And SunPower panels perform. Ten years of comprehensive data show that on average, SunPower panels deliver 105 percent of their expected energy production. Plus, they’re built to withstand real-world conditions, so your long-term maintenance costs are impressively low—with an impressively high 98 percent uptime.

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Guaranteed Performance

From end to end, SunPower guarantees you the highest level of solar energy performance. Installation is fast to minimize disruption. And SunPower panels perform. Ten years of comprehensive data show that on average, SunPower panels deliver 105 percent of their expected energy production. Plus, they’re built to withstand real-world conditions, so your long-term maintenance costs are impressively low—with an impressively high 98 percent uptime.

And your solar panels come with a 25-year warranty. But we don’t think you’ll need it. SunPower solar panels are designed to last longer than that. With our well-trained solar installers 24/7 monitoring and around-the-clock service, we’re there for you. Which may be why we have more solar energy customers—and repeat customers—than any other solar power company in the world. Bottom line? SunPower is the best solar investment you can make.

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