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How does LG guarantee the output of its solar panels?

LG provides rigorous quality testing to all solar modules to ensure the rated power output. Our modules have a positive nominal tolerance starting at 0% and going as high as +3%. For example, this guarantees that a new LG 315 Watt module will not deliver a rated output less than 315 Watts. In field testing by Ausgrid, 58% of panels were performing less than their rated output. In contrast several independent flash test, including one by Choice in 2016, have confirmed that LG panels over-perform against their rated output.

Below is a typical spread sheet breakdown of the 315W panels and their flash test output in a pallet of new panels. You can see on the sample, our buyers definitely get many more watts than 315W for the majority of our panels.

LG panels output after flash test