A NETWORK SYSTEM

摘要

PURPOSE: A network system is provided to reduce energy consumption by indicating energy information or additional information in a display part and to effectively manage an energy source. CONSTITUTION: A utility network(10) comprises an energy generation part. A network(20) for family use comprises an energy consumption part consuming energy created from the energy generation part. A text display part indicates energy information or additional information by text. A graph display indicates the change of the energy information or the additional information. An energy consumption part(26) comprises the display part indicating the energy information or the additional information. An energy measurement part(15) is included in the utility network or the network for family use. An energy administration part(24) manages the energy information or the additional information in connection with the energy consumption part.