An energy storage apparatus includes: an energy storage device which includes an electrode terminal; an outer case; and an external connection terminal. The external connection terminal includes: an external connection part to be connected to an external conductive member; a circuit breaking part; and a bus bar which connects the electrode terminal or the external connection part with the circuit breaking part, and which is formed in the outer case by insert molding. The bus bar includes an outer exposed portion on which the circuit breaking part is detachably mounted from the outside of the outer case.