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Although the Load Flow (LF) analysis of pure AC power systems is separately solved by both the numerical analysis methods and the heuristic methods, the load flow of integrated AC/DC power systems only has been implementing by numerical methods so far. There are many methods to implement load flow analysis of integrated AC/DC power systems in literature. Examples of these methods can be given as Newton-Raphson, Fast Decoupled and Broyden. In this paper, the sequential load flow analysis of AC/DC system is implemented by using Genetic Algorithm. The proposed method is tested on IEEE 9-bus test system. In this study, a heuristic method is used for load flow analysis of the integrated AC/DC power systems for the first time.