The company said the 2,382 mm x 1,134 mm module offers 25. The temperature coefficient is -0. Certified by the authoritative Institute for Solar Energy Research Hamelin (ISFH) in Germany, the photoelectric conversion efficiency of LONGi's independently developed hybrid back-contact crystalline silicon solar cell (HIBC) has reached 27. 81%, pushing the exploration of the limits of. LONGi supplies its reliable, high-performance solar modules to 6 continents and 85 countries and regions to power the world toward a low carbon future. HIBC (Hybrid Interdigitated Back-Contact) refers to a high-low temperature composite passivated back contact technology. LONGi has laid out several. Industry-Leading Efficiency at Competitive Prices: LONGi achieves up to 24. The Xinjiang solar farm has a 5GW capacity. Chinese solar manufacturer Longi unveiled a new PV module with 25. Chinese solar module manufacturer Longi unveiled a new solar module this week at the SNEC 2025. On June 12th 2025, at the highly anticipated SNEC 18th (2025) International Photovoltaic Power Generation and Smart Energy Conference & Exhibition, LONGi announced two groundbreaking technological breakthroughs at the Technology Innovation Session.