SunPower solar panels
Supply: #1 ranking in "PV Module Durability Initiative Public Report, " Fraunhofer ISE, Feb 2013. Five from the top 8 largest manufacturers were tested. Campeau, Z. et al. "SunPower Warranty Review, Feb 2013.
SunPower's warranty ensures probably the most power.
Resource: in contrast to the most truly effective 15 makers. SunPower Warranty Review, Feb 2013.
SunPower panels average only 0.25per cent power loss per year throughout the very first 25 years.
Supply: Jordan, Dirk “SunPower Test Report, ” NREL, Q4-2014; Campeau, Z. et al. "SunPower Module Degradation speed, " SunPower white report, Feb 2013.
One out of each and every 20, 000 panels is returned under guarantee.
Supply: Hasselbrink, E., et al. "Validation associated with the PVLife Model Against 3 Million Module-Hears of Live Site Data." 39th IEEE PVSC, Tampa, Florida, 2013.
SunPower predicts its panels could have a helpful life of above 40 years.
Resource: "SunPower Module 40 Year of use Life" SunPower white report. Feb 2013. Of use life is 99 away from 100 panels running at more than 70percent of ranked energy.
SunPower panels ranked # 1 in Fraunhofer durability screening.
Supply: Ferrara, C., et al. "Fraunhofer PV Durability Initiative for Solar Modules: Part 2". Photovoltaics International, 77–85. 2014. Five out of the top 8 largest silicon solar panel producers were tested the 2013 report. Three extra silicon solar panels were tested when it comes to 2014 report.