Abstract: Provided is an expansion joint system including: at least one transversely extending vehicular load bearing member; and an electrical energy generator connected to a component of the expansion joint system for capturing displacements having kinetic energy; an amplifier for amplifying the captured displacements; and an energy converter for converting said kinetic energy of the amplified displacements to electrical energy. Various embodiments including an electrical junction box, a cathodic protection system, dampers, and/or data acquisitions systems integrated with the electrical energy generator are also provided.