Abstract: The disclosure relates to a system and method for managing demand charge tariffs for electric power, in particular, providing economic energy management for charging electric vehicles at public charge stations. The system and method may include collecting, by an infrastructure service cloud, information related to electric vehicle charging from a plurality of interested parties and calculating a particularized offer to a customer based on customer's characteristics compared to other possible customers in a same time period. The system and method may also include transmitting the particularized offer to the customer and upon receiving an acceptance of the particularized offer, reserving the charge spot for the driver.