Every panel's wattage comes from a factory flash test, and every design must survive a series of accelerated stress and safety tests before it can be sold for incentive-eligible systems. Learn what STC means, what the IEC tests simulate and how to read the results. Read More →
Hot spots, microcracks and potential-induced degradation are three of the main ways solar panels lose output early. Learn what causes each one, the symptoms to watch for, how professionals detect them and how careful handling and installation prevent them. Read More →
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