Solar panels are graded based on cell quality, manufacturing consistency, defect levels, and aesthetic appearance. These grades are typically assigned during or after the panel manufacturing and testing process, particularly during electroluminescence (EL) testing. Let's break them. . At Sova Solar, where we've been manufacturing high-efficiency panels since 2008, we believe it's time to shed light on what these grades really represent — so that buyers can make informed, confident choices. What Are Solar Panel Grades? Solar panels are graded based on cell quality, manufacturing. . Why are solar panels classified into grades? 1. Solar panels are classified into different grades based on their efficiency, technology, and warranty. This classification helps consumers and businesses make informed decisions regarding the purchase and installation of solar photovoltaic systems. 2.. Different kinds of solar panels are better suited to different environments. The expensive monocrystalline panels vs. the cheaper polycrystalline or the easy-to-install thin-film solar panel may be the best for your needs. And once you've figured out what kind of solar panels, made of which.
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