There is provided an arbitration device that arbitrates operation requests from a plurality of first power loads in a vehicle, the arbitration device including: a reception section; a memory section; a calculation section that calculates a total power consumption combining the first power consumption and the second power consumption; and a control section at which priorities of the plurality of first power loads are specified, when the total power consumption exceeds a threshold, the control section selecting which of the first power loads to approve based on the priorities and causing each operating first power load that is not approved to pause operation, and, when the total power consumption is less than or equal to the threshold, the control section allowing each operating first power load to continue operation.