Tala Hydroelectricity project is the biggest hydroelectric

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...

  joint project between India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

 and Bhutan

Bhutan

Bhutan , officially the Kingdom of Bhutan, is a landlocked state in South Asia, located at the eastern end of the Himalayas and bordered to the south, east and west by the Republic of India and to the north by the People's Republic of China...

 so far, generating 4865 GWh/yr. Tala

Tala, Bhutan

Tala, Bhutan is a town in Chukha District in southwestern Bhutan known for the Tala Hydroelectricity Project....

 is located in Chukha Dzongkhag in western Bhutan, a small constitutional monarchy

Constitutional monarchy

Constitutional monarchy is a form of government in which a monarch acts as head of state within the parameters of a constitution, whether it be a written, uncodified or blended constitution...

 in the Himalayas

Himalayas

The Himalaya Range or Himalaya Mountains Sanskrit: Devanagari: हिमालय, literally "abode of snow"), usually called the Himalayas or Himalaya for short, is a mountain range in Asia, separating the Indian subcontinent from the Tibetan Plateau...

. It is located on the Wongchu River and, and is at a height of 860 metres (2,821.5 ft).

The dam

Dam

A dam is a barrier that impounds water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees are used to manage or prevent water flow into specific land regions. Hydropower and pumped-storage hydroelectricity are...

 is 92 m high and feeds a 22 km-long headrace tunnel. An underground power house in Tala village has six 170 MW generator

Electrical generator

In electricity generation, an electric generator is a device that converts mechanical energy to electrical energy. A generator forces electric charge to flow through an external electrical circuit. It is analogous to a water pump, which causes water to flow...

s. Three 440 kV transmission lines stretch to the Indian border, since the power is being entirely supplied to India. Bhutan aims to export 10,000 MW of power by the year 2020. Dam building started in 1998 and the project was commissioned in 2007.