Both companies are strong, with a long history in the solar industry. The key disadvantage of the LG solar panels is they are not the most efficient panels compared to Panasonic. However, LG solar panel's warranty is a better warranty than the industry's average.
Both solar panels come with a great warranty; a double 25-year warranty from Panasonic and LG. That means that both companies will stand behind their products long term and will repair and replace any damage that will occur to your system. This long warranty is available because both companies have a strong reputation in the solar industry and demonstrate their commitment to their customers.
Panasonic and LG Solar also design very aesthetically pleasing mono solar panels that come in all-black design or black cells with a silver frame. Both manufacturers offer superior design and they can be integrated with a wide variety of applications that meet your needs.
Both companies are attempting to offer high-quality solar panels with high-efficiency solar cells. If we compare both products, we see that Panasonic's model has a 20.3% module efficiency compared to LD Model which has a 20.4% module efficiency. Both panels have a low annual degradation, which will result in additional value to the solar panel. They will continue to produce energy even after 20 years on similar production levels.
So which one is better, Panasonic or LG Panels? Both Panasonic and LG Solar are great solar panels for any system. For premium modules, both have a great price point. Choosing the best inverter and racking system is also very important in getting the most of your solar investment too.