Rooftop Solar The new SunPower X-Series Solar Panels for the residential market offer an unprecedented 21.5% efficiency, and deliver more energy, higher reliability and superior aesthetics than conventional solar panels.  The SunPower Signature Black design allows the panels to blend seamlessly into the rooftop.  (PRNewsFoto/SunPower Corp.)

Published on April 8th, 2013 | by Zachary Shahan

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SunPower Launches Commercial Solar Panels With World Record Efficiency — X-Series

April 8th, 2013 by Zachary Shahan
 

SunPower is the well known leader in solar module efficiency. It has raised the bar yet again with the release of some super efficient ” X-Series Solar Panels.”

The new SunPower X-Series Solar Panels for the residential market offer an unprecedented 21.5% efficiency, and deliver more energy, higher reliability and superior aesthetics than conventional solar panels.  The SunPower Signature Black design allows the panels to blend seamlessly into the rooftop.  (PRNewsFoto/SunPower Corp.)

The new SunPower X-Series Solar Panels for the residential market offer an unprecedented 21.5% efficiency. The SunPower Signature Black design allows the panels to blend seamlessly into the rooftop. Image Credit: PRNewsFoto/SunPower Corp.

As I reported less than one month ago, SunPower now holds the record, and second place, and third place in solar module yield tests. Those records were for SunPower’s E-Series solar panels. Now, SunPower is selling these X-Series solar panels, which have a world record efficiency of 21.5%. The target for these X-Series solar panels is the residential market.

Compared to conventional solar panels, SunPower reports that its X-Series panels should generate approximately 75 percent more electricity over the first 25 years of ownership (on a roof of the same size). By anyone’s standards, that’s impressive.

“The X-Series delivers more energy, higher reliability and superior aesthetics than conventional solar panels.  The new world-record efficiency of this product line has received third-party validation by the National Renewable Energy Laboratory (NREL),” SunPower writes.

“The X-Series is made with SunPower’s third-generation Maxeon® solar cells which are built on a solid copper foundation for high reliability and performance.  This foundation makes them virtually impervious to the corrosion and cracking that typically degrade conventional panels.  As a result, SunPower solar panels are backed by the industry’s first combined 25-year product and power warranty.”

That sounds good, doesn’t it?

Well, SunPower has always been known for quality. The tradeoff is that SunPower solar panels cost more than competing solar panels. The question is always what you value more, and what is best in specific circumstances. For residential use, I would guess that SunPower’s panels are best in the majority of situations. I think SunPower agrees, but that doesn’t mean it’s resting. In fact, its continued focus on performance is what led to the X-Series — the company already sat at #1.

“Our research and development teams have been working diligently to surpass the high performance standards set by our SunPower E-Series Solar Panels that are built with our second-generation solar cells.  Today, we are proud to announce the world-record efficiency X-Series product line,” said SunPower CEO Tom Werner. “SunPower has set the bar once again, as we continue to beat our own efficiency records, while delivering the most reliable solar technology on the market.”

For more details on the X-Series, check out SunPower’s news release.

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About the Author

is the director of CleanTechnica, the most popular cleantech-focused website in the world, and Planetsave, a world-leading green and science news site. He has been covering green news of various sorts since 2008, and he has been especially focused on solar energy, electric vehicles, and wind energy since 2009. Aside from his work on CleanTechnica and Planetsave, he's the founder and director of Solar Love, EV Obsession, and Bikocity. To connect with Zach on some of your favorite social networks, go to ZacharyShahan.com and click on the relevant buttons.



  • http://www.2020solar.com Jenny Bakker

    The Sunpower Xseries have now come to the UK. Contact us for a free no obligation estimate.
    2020 Solar | Sunpower UK

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