The solar cell is a core component of the PV power-generation system. The theoretical efficiency limits of the N-type TOPCon cell and PERC cell are 28.7% and 24.5%, respectively. Under the standard test conditions: 1000 W/㎡ irradiance, cell temperature 25℃ and AM 1.5 spectrum. At the current level of industrialization, the conversion efficiency of the N-type cell reaches 24.8% and the encapsulated module has an efficiency rating of more than 22%, resulting in a module power of more than 575 watts. Thanks to conversion efficiency of 23.5% and encapsulated module efficiency greater than 21%, the P-type cell can achieve module power of approximately 550 watts. Data shows that the power of the single N-type module is 25 watts greater than that of the P-type module. In terms of power generation, the N-type module can largely improve the power-generation benefits of the PV system.