The China Electric Institute (hereinafter referred to as CEI) has compared the outdoor power generation performance of the then emerging mono-crystalline PERC and polycrystalline modules in 2016-2017. The 1-year monitoring data of two real-life fields in Sanya, Hainan (humid and hot marine environment) and Turpan, Xinjiang (dry and hot environment), shows that the PERC module […]