A system for determining identity information corresponding to an electrically operable machine (116, 118, 120), the system comprising: a power supply port (122, 124, 126) configured to be coupled to an electricity source to receive electricity via a transformer and power supply lines, wherein the power supply port comprises at least one sensor (128, 228) configured to generate a signal indicative of the electricity being drawn by the electrically operable machine (116, 118, 120) of a plurality of electrically operable machines connected in a network, wherein the electrically operable machine is coupled to the power supply port (122, 124, 126) to receive the electricity; a knowledge base indicative of a relationship between the identity information corresponding to the electrically operable machine (116, 118, 120) and one or more electrical characteristics of the signal; and a controller (114, 214) coupled to the at least one sensor (128, 228) and configured to: determine the identity information corresponding to the electrically operable machine (116, 118, 120) based on the one or more electrical characteristics of the signal sensed by the at least one sensor (128, 228) and the knowledge base; and selectively adjust charging of the electrically operable machine (116, 118, 120) based at least on the identity information corresponding to the electrically operable machine (116, 118, 120) and remaining power required for charging other electrically operable machines of the plurality of electrically operable machines. a power supply port (122, 124, 126) configured to be coupled to an electricity source to receive electricity via a transformer and power supply lines, wherein the power supply port comprises at least one sensor (128, 228) configured to generate a signal indicative of the electricity being drawn by the electrically operable machine (116, 118, 120) of a plurality of electrically operable machines connected in a network, wherein the electrically operable machine is coupled to the power supply port (122, 124, 126) to receive the electricity; a knowledge base indicative of a relationship between the identity information corresponding to the electrically operable machine (116, 118, 120) and one or more electrical characteristics of the signal; and a controller (114, 214) coupled to the at least one sensor (128, 228) and configured to: determine the identity information corresponding to the electrically operable machine (116, 118, 120) based on the one or more electrical characteristics of the signal sensed by the at least one sensor (128, 228) and the knowledge base; and selectively adjust charging of the electrically operable machine (116, 118, 120) based at least on the identity information corresponding to the electrically operable machine (116, 118, 120) and remaining power required for charging other electrically operable machines of the plurality of electrically operable machines. determine the identity information corresponding to the electrically operable machine (116, 118, 120) based on the one or more electrical characteristics of the signal sensed by the at least one sensor (128, 228) and the knowledge base; and selectively adjust charging of the electrically operable machine (116, 118, 120) based at least on the identity information corresponding to the electrically operable machine (116, 118, 120) and remaining power required for charging other electrically operable machines of the plurality of electrically operable machines.