A central control apparatus for controlling facilities, a facility control system including the same, and a method of controlling facilities may be provided. The central control apparatus may include a control unit performing control on facilities or equipment. The control unit may include a data collection module configured to collect prediction environment data including weather information of a control target region, a system setting module configured to set information of at least one facility in the control target region, and an energy use amount simulation module configured to model the at least one facility, based on the information of the at least one facility, set at least one control scenario applicable to the at least one facility, and simulate consumption power of the modeled at least one facility that operates according to the at least one control scenario.