A central control apparatus includes: a controller that performs control over facilities or equipment; and a display unit that displays information processed by the controller on the screen, wherein the central control apparatus further includes a communication unit that communicates with a meteorological office server, and the controller includes: a data collection module that collects predicted environmental data about a target control area through the communication unit; a system setting module that sets information about at least one facility within the target control area; and an energy usage simulation module that models the facility based on based on the facility information and simulates the power consumption of the facility model according to a control scenario, the energy usage simulation module including an energy reduction calculation module for calculating the energy reduction of the facility or target control area based on a simulation result of the power consumption of the facility model according to a combination of at least one control scenario.