Objective The new model of integrated development of offshore wind power is the high ground for the future development of wind power technology in China. Among them, the integration of wind energy and solar energy for power generation is one of the important forms to achieve the "offshore wind power+" high-tech strategic emerging industry, which has significant strategic significance and development potential. In order to provide technical references for relevant domestic research and engineering projects, the article provides a review and analysis of the research progress and technical challenges in the integration of offshore wind power and offshore photovoltaics.

Method This article is guided by the significant demand for integrated development of marine resources in China, and systematically analyzes the development trends of global offshore wind power and offshore photovoltaics, clarifying the current situation and shortcomings of China's "wind solar co field" development model. Furthermore, the current situation and characteristics of the integrated development of offshore wind power and offshore photovoltaics were analyzed in depth from the aspects of policy support, development history, foundation design, and typical engineering cases. Finally, the main technical challenges currently faced were analyzed from multiple dimensions such as power system collaborative output, structural reliability and cost control, typhoon resistant design, and integrated operation and maintenance.

Result Through a comprehensive review and analysis of the integrated development model and key technologies of offshore wind power and offshore photovoltaics, a scientific basis and engineering reference have been provided for the efficient and comprehensive development and utilization of offshore resources in China.

Conclusion The article explains the bottleneck issues and urgent technological directions for the integrated development of offshore wind power and offshore photovoltaics, which will help China build a new energy system and build a maritime power.