Why do SunPower modules have a degradation rate that’s so much lower than Conventional Modules? SunPower’s back-contact Maxeon cells have important design differences from conventional cells: the key differences in the thick tin-plated high-density copper foundation on the backside of the cell and the use of strain-relieved interconnects offer much higher corrosion resistance and a dramatic reduction of mechanical stress and fatigue at the cell interconnects. This design has been refined through SunPower’s stringent internal qualification criteria, which require passing much longer durations than those prescribed for the IEC standard certification test, as well as additional tests not prescribed by IEC.
Brooks Venters is a Digital Marketing Professional and SEO Specialist in San Diego, where he works for SunPower by Stellar Solar and has been running their website and publishing their website content for over 5 years. Now fully immersed in the solar industry, Brooks is dedicated to educating homeowners on the benefits of solar, so that more people can wean themselves off the power company, saving money, and reducing dependence on fossil fuels.
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