Clean Energy Associates (CEA) has published a new report looking into the high volume of PV module defects that have been discovered via the process of electroluminescence (EL) testing.
EL testing of more than 300,000 PV modules at 148 sites has shown that 83% of the modules had line cracks, 78% had a soldering anomaly, and 76% had complex cracks – many of which cannot be seen by the naked eye, and as such, pose a significant threat to the industry. After conducting EL…
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