2 June, 2021 LONGi has consolidated its leading role in R&D innovation in the global PV industry by setting new cell efficiency records for N- and P-type TOPcon and HJT. The company announced in April its record of 25.09% for N-Type TOPCon solar cell efficiency and, one month later, testing at the Institute for Solar Energy Research (ISFH) in Hamelin, Germany, has confirmed that the conversion efficiency of N-type monocrystalline bifacial TOPCon solar cells developed at LONGi’s Cell R&D Center has now reached 25.21%.