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.
Michael is one of the founding partners of SunPower by Stellar Solar. In 2001, he helped launch The Home Depot’s national solar energy program which is now offering home solar through hundreds of stores in nearly a dozen states. He is a writer and marketing professional with over 30 years’ experience in the fields of energy, market intelligence and leadership training. He currently serves as treasurer and board member of Global Energy Network Institute (GENI), a San Diego-based non-governmental organization that advocates linking renewable energy resources around the world using electricity transmission.
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