The World’s Leading Supplier of Solar PV Solutions

LONGi, using innovative products and solutions help the world a healthier, safer and more sustainable place.

At the key node of intergenerational transition of global Photovoltaic (PV) technology, the back contact (BC) cell technology is leading the new-generation PV technology paradigm revolution, becoming the core engine to drive industry cost reductionand efficiency improvement and realize energy transition.

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 monocrystalline silicon photovoltaic cells to new heights. Certified by the U.S. National Renewable Energy Laboratory (NREL), the conversion efficiency of LONGi’s independently developed crystalline silicon-perovskite two-terminal tandem solar cell has reached 34.85%, once again breaking the world record for the efficiency of crystalline silicon-perovskite tandem cells.