Recently, LONGi released test results from its back-contact solar modules deployed for six months in an offshore deep-sea experimental facility. The company reported that its back-contact modules achieved an actual rear power output of 32.05 watts and a bifacial power output of 667.05 watts, while TOPCon modules recorded rear power and bifacial power outputs of 33.11 watts and 648.11 watts respectively. The company further noted that Hi-MO 9 panels outperformed TOPCon modules across all time periods and irradiance levels. LONGi emphasised that a key factor in its back-contact technology's superior offshore performance is its lower operating temperature, which is 1.3 degrees Celsius lower than TOPCon modules.
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