Aspects in accord with the present invention are directed to a system or method for changing power states of an uninterruptible power supply. In one aspect, the present invention features a method of monitoring a power state of a power device. The method may comprise receiving from one of a plurality of sources a request to change the power state of the power device, initiating a change of power state based on the request, logging an identity of the one of the plurality of sources requesting the change of power state, a type of change of power state, and a time of change of power state, and communicating through a user interface the identity of the one of the plurality of sources requesting the change.