Abstract: A metering apparatus (100) installed to a distribution network of a consumable commodity comprises a plurality of sensors (110) capable of real-time measuring consumption data of the consumable commodity used by a plurality of recipients (120) located in a single building that each sensor (110) is responsible for measuring consumption rate of one recipient (120) of the consumable commodity and the measurement is acquired as analog signal; a processor (130) connected to the plurality of sensors via a signal processing unit (140), which process and convert the analog signal to digital signal, to obtain the measured consumption data for analysis through instructions from one or more software applications; a storage device (150) in communication with the processor for recording information of the analysis and providing the recorded information to the processor upon request; a display unit (160), which is in communication with the storage device (150) and/or the processor (130), shared and accessible by more than