Tianwan is a city located in China. It serves as the geographical context for several industrial and infrastructure developments within the region.
The area is notable for hosting the Tianwan Nuclear Power Plant, which is situated on the coast of the Yellow Sea. The facility is located approximately 30 kilometers east of downtown Lianyungang in Jiangsu Province. Owned by the Jiangsu Nuclear Power Corporation—a joint venture with a majority stake held by a subsidiary of the China National Nuclear Corporation (CNNC)—the plant is a significant component of the region's energy infrastructure.