Drive force output apparatus, method for controlling same apparatus, and vehicle

A drive force output apparatus has a controller that sets an upper limit of power allowed to be consumed by an auxiliary based on at least a reference power storage amount corresponding to the reference of the range in which the power storage amount of a power storage is monitored and controls a power generator, an electric motor, and the auxiliary such that drive force corresponding to target drive force is output to a drive shaft while the power consumed by the auxiliary remains equal to or smaller than the upper limit.