Complex Network Analysis of Brand Value for State Grids

State Grid Corporation is a comprehensive service company with various business types such as transmission and distribution, new energy, international engineering, etc., which have an important impact on its brand value. It is also the worlds largest power company. This paper constructs a complex network model of multi-service brand value for State Grid Corporation by applying complex network theory and methods, and identifies key nodes and simulates brand relationships in the network by using PageRank algorithm and evolutionary game model. By analyzing the subordinate, cooperative or competitive relationships among different business areas and sub-brands of State Grid, this paper reveals the formation and evolution rules of multi-service brand value, and provides decision support for enhancing State Grids brand competitiveness. The innovation of this paper lies in applying complex network theory and methods to the research of multi-service brand value, providing a new perspective and tool for this field.