Every quarter, Bloomberg New Energy Finance evaluates manufacturers on their actual projects over the previous quarter and publish a list of Tier 1 Solar Module (panel) Manufacturers. In addition to the real world performance and customers’ feedback on products, the consistency in heavy investments in R&D, after sales service and utility-grade projects is also considered as an indirect measure of the panel products reliability.
This tier rating comes down to bankability. So for the customers, being ranked top of the list means a most trusted brand to invest in.
