The invention discloses an ordered power utilization gap index distribution algorithm taking characteristics of source, network and load ends into consideration. The algorithm is characterized by comprising the steps of establishing a user equivalent virtual set; establishing a target function of an ordered power utilization gap index distribution model; establishing constraints of the source, network and load ends of the ordered power utilization gap index distribution model; and solving the model in an optimized algorithm, obtaining a solution result, and distributing the gap index. The algorithm comprehensively considers influences of characteristics of the source, network and load ends on ordered power utilization gap index distribution, and has the advantages of low computing complexity, low development difficult, clear physics meanings and high practicality.