The Xiaolangdi Dam (Chinese: 小浪底; Pinyin: Xiǎolàngdǐ) is a dam in Jiyuan, Henan Province, China, and impounds the Yellow River. The facility is located about 20km to the northwest of Luoyang. It has a total installed capacity of 1,836 MW and generates up to 5.1 TWh annually with the help of six 306 MW turbines. The dam stands 154 m (505 ft) tall and 1,317 m (4,321 ft) wide, and cost US$3.5 billion to construct.