Abstract: A power generation module for generating electric power by using fuel has a fuel package accommodating portion capable of accommodating a fuel package which has a fuel supply hole and a collection hole having a shape or size different from that of the fuel supply hole, and in which the fuel can be sealed. A fuel supply port can be connected to the fuel supply hole of the fuel package. A collection port having a shape or size different from that of the fuel supply port can be connected to the collection hole of the fuel package. The power generation module further includes a power generator which generates electric power by using fuel supplied from the fuel supply port.