This question is part of the Super Big Solar Panel FAQ from Solar Mango, where expert answers to over 100 important questions on solar panels are provided.



Solar panels can be rated based on certifications and also from ratings that are provided by a number of organizations, industry bodies and media.

Some of the ratings you might want to look out for

  • Tier of the Solar Module Manufacturer – BNEF (Bloomberg New Energy Finance) has evolved its own rating for solar panel manufacturers. Using a set of criteria, it categorises solar panel manufacturers into Tiers 1, 2 & 3, with Tier 1 being the highest rated.
  • IEC certifications for solar panels – see here
  • Testings done by bodies such as UL or TUV
  • Other than these, there are a number of unofficial ratings available for solar panels, given by reputed research firms and media such as Photon Magazine.


Super Big Solar Panel FAQGet to know answers to over 100 important questions on solar panels from here.


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