Energy management information system

An energy management information system combines an energy operation database, an energy management information system, a client end and a management end through a network to provide the client end to input a plurality of energy operation data via a plurality of input means, and provide related information such as energy management system, energy consumption, energy consumption balance, unitary product energy consumption, main energy consuming equipment and economical energy measure and so forth to a plurality of walk of lines and/or different factory sites of an identical corporation at the management end. As such, the management end or the user end (client end) is able to read historical energy consuming data of respective factory by connecting with an energy information management system through a network, or to update/add/compare/analyze/accumulate energy consuming locations and energy consuming data and information.