The utility model discloses an electric energy metering device for photovoltaic power generation station, including adc, pulse output module, measurement unit, administrative unit, leading electric current shift circuit and leading voltage shift circuit, leading electric current shift circuit's input is being surveyed the electric current, and adc is connected to the output, leading voltage shift circuit's input is being surveyed voltage, and adc is connected to the output, leading electric current shift circuit and leading voltage shift circuit are used for surveying the quilt voltage and being surveyed the electric current and move looks to assurance input adc's electric current is the same with the phase value of voltage. The utility model discloses owing to the adc who has adopted the high accuracy, consequently can, photovoltaic power generation guarantee that the electric energy of high accuracy measures by the homoenergetic when standing power consumption and electricity generation, owing to moved looks to arrival current and input voltage before analog -to -digital conversion, guarantee to get into the electric current and the voltage phase coincidence of analog -to -digital conversion ware, still can accurate measurement electric energy when ensureing to have the harmonic to exist.