Abstract: Various embodiments include a method for regulating an electrical power transfer between two power supply units and a power consumption unit comprising: providing a first data set with information regarding a minimum and maximum electrical power supply rate for each of the two power supply units; providing a second data set with information regarding a power requirement of the power consumption unit and a weighting of each of the power supply units; providing a target function for an optimization method, wherein the target function includes the first data set, the second data set, and the weightings of the power supply units as parameters; and regulating the power transfer by means of an extremalization of the target function.