Because of the huge potential of solar energy, there are already a lot of solar panel manufacturers that offer the "best quality" solar panels in the market today. This is why it may be difficult for installers and homeowners alike to distinguish the top solar panel brands from the low-quality ones.
Fortunately for us, Bloomberg New Energy Finance has developed a tiering or ranking system for solar panel brands that we can easily use as a reference.
Although this list does not directly reflect the quality of the available solar panel brands in the market, for basic purposes, it can still be used to know if you have high-quality solar panels or those cheap substandard solar panels that are also very widely available.
If you want to learn more about solar panels, especially with monocrystalline vs. polycrystalline solar panels and other considerations in choosing solar panels, you can check out our article: Everything You Need to Know About Solar Panels.