In order to save the coast line resource and guarantee the safety of port operation so as to realize the sustainable development of the port, the upgrading and renovation to the existing wharf tends to be a significant issue of water transport design industry. Taking the renovation project of Guangzhou Zhujiang Power Plant, Shenzhen Mawan Power Plant, Dongguan Shajiao Power Plant A as a study case, this paper analyzes the main problems and solutions concerning the structural plan, handling technology, and wharf auxiliary facilities in the design, hoping to serve as a reference for similar engineering projects.