The China National Photovoltaic Product Quality Inspection Center (CPVT) has released the H1 2025 report from China’s first deep-sea floating PV project in Yantai, Shandong. The study compared LONGi’s Hi-MO 9 HPBC 2.0 modules with TOPCon modules from January to June 2025. Results showed Hi-MO 9 achieved 1.94 percent higher per-watt generation and maintained a 0.98 percent gain under low-light conditions. The modules performed consistently across different irradiance levels and times of day. Their average operating temperature was 1.31 °C lower, reducing power degradation and improving lifespan. With a backside reflectivity of 6.73 percent, Hi-MO 9 achieved a combined output of 667.05 W, outperforming TOPCon’s 648.11 W. The findings highlighted HPBC 2.0 technology’s efficiency and reliability in offshore solar environments.