Abstract: As the "dual carbon" goals advance in Jiangsu Province, the development of deep-sea offshore wind power is progressively extending into farther sea areas. However, the large-scale integration of wind power faces multiple challenges, including the choice of transmission modes, bottlenecks in cross-river channels, and constraints on the absorption capacity of the receiving-end power grid. Therefore, a systematic comparison of grid integration schemes is urgently needed. Focusing on the planning requirements for deep-sea offshore wind power integration in Jiangsu Province, this paper proposes four typical grid connection schemes, each using either AC or DC submarine cables and connecting to the receiving-end grid at different voltage levels and points. An evaluation index system is established from three dimensions: technical performance, economic efficiency, and market environment. A Grey-Entropy Weight-AHP combined evaluation model is employed to conduct a comprehensive quantitative comparison of the four schemes. The results show that the proposed method can effectively distinguish the overall merits of different integration schemes, providing a scientific decision-making reference for the planning of deep-sea offshore wind power integration in Jiangsu Province