The Jiangkou Reservoir is a large scale reservoir in Wulong County

Wulong County

Wulong County is a county of Chongqing Municipality in China. It is the location of Wulong Karst which is part of the South China Karst UNESCO World Heritage Site....

, Chongqing Municipality, People's Republic of China constructed for the primary purpose of generating hydroelectricity

Hydroelectricity

Hydroelectricity is the term referring to electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water. It is the most widely used form of renewable energy...

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Built at a cost of 1.95 billion RMB, the reservoir's concrete hyperbolic arch dam

Arch dam

An arch dam is a type of dam that is curved and commonly built with concrete. The arch dam is a structure that is designed to curve upstream so that the force of the water against it, known as hydrostatic pressure, presses against the arch, compressing and strengthening the structure as it pushes...

 in Jiankou Town (江口镇) 2 kilometres (1.2 mi) from the confluence

Confluence

Confluence, in geography, describes the meeting of two or more bodies of water.Confluence may also refer to:* Confluence , a property of term rewriting systems...

 of the Wu

Wu River (Yangtze River)

Wu Jiang , known also as Wu River, is the largest southern tributary of the Yangtze River. Nearly its entire length of runs within the mountainous and ethnically diverse region of Guizhou.-Course:...

 and Furong

Furong River

The Furong River , also known as the Pangu River is the largest tributary of the Wu River and flows through Guizhou Province and Chongqing Municipality, People's Republic of China.-Description:...

Rivers houses a hydroelectric power plant with an installed capacity of 300 MW.