• SunPower® Solar Panel Portfolio

    More power in real-world conditions

We design and manufacture every SunPower® solar panel to meet rigorous standards for performance and reliability. Choose SunPower and rest assured you’ve chosen the highest-quality, long-lasting solar panels for your home, business or organization.

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SunPower Efficiency X Series Solar Cells

Built with Maxeon® solar cells, delivering up to 21.5% efficiency and available in 335 or 345 watt panels. Perfect for space constrained projects.

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SunPower Efficiency E Series Solar Cells

Built with Maxeon®  solar cells, delivering up to 20% efficiency and available in 320 or 327 watt panels. Great all-around solar panel.

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SunPower Efficiency P Series Solar Cells

Built with our unique shingled solar cells. Up to 17% efficiency and available in a range of panels from 330 to 350 watts. Optimized for Oasis power plants.

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SunPower solar panels

SunPower® Maxeon® Solar Cells
for E and X-Series Panels


See how we stack up against the competition. Available on both residential and commercial solar systems.

Better Product, Better Warranty
SunPower Warranty Comparison Table

Industry-leading Warranty

SunPower covers 100% of repair or replacement costs, while conventional solar warranties don’t.* Labor, shipping, parts – we’ve got you covered for 25 years.* Plus we guarantee that your panels won’t lose more than 8% of their original power output in 25 years. Compare that to 19% for conventional solar.

  • *. Representative of standard efficiency solar manufacturers such as Trina, YingLi and Canadian Solar. Competitor warranty information provided from latest warranty documents, as of 2017.
  • *. Shipping covered by some conventional warranties.

Learn more about solar panels