LONGi's BC Technology Exceeds Expectations in Global Performance Testing

LONGi's Global Testing Results for BC Technology



LONGi Solar has recently revealed the global performance outcomes of its Back Contact (BC) technology and the Hi-MO9 module. Conducted in partnership with renowned global clients and prestigious external institutions, a systematic global field testing program was launched following the introduction of this technology. The results indicate that the Hi-MO9 module surpasses expectations in terms of energy generation performance, economic benefits, and environmental adaptability.

Performance on Par with Industry Standards



Data from various internationally recognized technical service organizations indicate that LONGi's BC modules consistently achieve a steady growth in energy generation watt per watt worldwide. Unlike conventional TOPCon modules, Longi's BC technology results in a profit margin varying between 1.21% and 3.92%, exhibiting exceptional performance in specific scenarios.

Notable Performance in European Climates



A report prepared by the reputable European technical service provider, Enertis Applus+, for a 47 MW photovoltaic project with single-axis trackers in Seville, Spain, demonstrated that the Hi-MO9 achieved 2,209 equivalent full load hours in its first year of operation. The energy generation watt per watt was between 2.4% and 3.4% higher than that of TOPCon modules at the same site. Exhaustive calculations showed a reduction in the Levelized Cost of Energy (LCOE) by 3.92% to 4.47% respectively.

Further assessments led by the distinguished IPVF institute validated the stability of these performance enhancements for the Hi-MO9. Operational data analysis from two 50 MW ground-mounted photovoltaic plants in France and Denmark indicated that the watt per watt energy generation of the Hi-MO9 was, on average, 1.84% greater than that of TOPCon modules, while the LCOE was lower by 3.32% and 2.43%, respectively.

Enhanced Safety Through Innovative Technology



Apart from significant improvements in energy generation, the integrated HPBC 2.0 technology in the Hi-MO9 provides additional value with its groundbreaking low hot spot performance. Field data reveal that under typical partial shading conditions, the Hi-MO9 effectively mitigates the hot spot effect, showcasing significantly lower hot spot temperatures compared to conventional modules. This development dramatically reduces the risks of material aging, energy degradation, and even potential fire hazards due to localized overheating, ensuring a robust operational guarantee over 25 years.

A New Benchmark in Evaluating Technological Value



LONGi's global field testing program for the Hi-MO9 illustrates a new paradigm for assessing technology value grounded in systematic, long-term verification under real-world conditions. The results highlight the comprehensive advantages of the Hi-MO9 in energy generation gains, LCOE control, and environmental adaptability. This milestone signifies a key advancement in the widespread application of BC technology, providing photovoltaic energy customers with a factual basis for informed decisions regarding different technological options.

The implications of these results position LONGi not just as a leader in solar technology innovation but also as a trusted partner in achieving sustainable energy solutions worldwide.

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