A keyless puck lock system with wireless communications and power interface. Embodiments of the present disclosure provide a keyless puck lock system enabling a low cost and high security solution that is difficult to tamper with and defeat. In the preferred embodiment of the present invention, the system uses a keyless puck lock assembly that includes a hasp assembly and a keyless lock mechanism that does not require any physical mechanical keys so that it does not have a mechanical cylinder inserted therein to lock or unlock the puck lock. Accordingly, the keyless puck lock system in accordance with one or more embodiments of the present invention do not have a physical keyway which is a security attack point that is included in conventional hockey puck-type locks.