Since LG used the most modern technologies that were available, Korean panels were active competitors for top efficiency numbers on the market. Neon R, for instance, was the second most efficient panel in 2022 reaching 22.3% conversion rate. Overall LG products show the best efficiency numbers on market which vary from 20 to 22.3%.The quality of LG solar panels has always been high. One of the reasons for it is that LG never outsourced its production. All of their panels were made in their own in-house manufacturing facilities in Gumi, South Korea, and Huntsville, Alabama.