Description

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Context:

The 2000 MW Subansiri Lower Hydroelectric Project that is nearing completion, will start generating 750 MW of power from March 2025.

About Subansiri River

It is a trans-Himalayan River and a tributary of the Brahmaputra River that flows through Tibet's Lhuntse County in the Shannan Prefecture in Southwestern China, and the Indian states of Arunachal Pradesh and Assam. It is the largest tributary of the Brahmaputra.

National Hydroelectric Power Corporation

It is an Indian public-sector hydropower company that was incorporated in 1975 to plan, promote and organise an integrated and efficient development of hydroelectric power. Recently it has expanded to include other sources of energy like solar, geothermal, tidal, and wind.

Major hydroelectric projects in India:

Project Name	River	Location (State)	Year of Commissioning	Key Features
Tehri Dam	Bhagirathi	Uttarakhand	2006	Tallest dam in India (260.5 meters); part of the Tehri Hydro Development Corporation (THDC)
Sardar Sarovar	Narmada	Gujarat	2006	One of the largest dam projects in India; supplies water to multiple states
Bhakra Nangal	Sutlej	Himachal Pradesh, Punjab	1963	Second tallest dam in India (226 meters); key source of irrigation and power
Nathpa Jhakri	Sutlej	Himachal Pradesh	2004	Largest underground hydroelectric project in India
Koyna	Koyna	Maharashtra	1964	One of the largest completed hydroelectric power projects in India
Indira Sagar	Narmada	Madhya Pradesh	2005	Largest reservoir in India by storage capacity
Rihand	Rihand	Uttar Pradesh	1962	Provides power and irrigation to the region
Sharavathi	Sharavathi	Karnataka	1965	Major source of power in Karnataka
Subansiri Lower	Subansiri	Arunachal Pradesh, Assam	Expected by 2024	Largest hydroelectric project in India under construction
Chamera	Ravi	Himachal Pradesh	1994 (Stage I)	Series of hydroelectric projects providing power to Northern India
Uri	Jhelum	Jammu & Kashmir	1997 (Uri I)	Key project in the northern region, supplying power to the grid
Salal	Chenab	Jammu & Kashmir	1987	Important for flood control and power generation
Idukki	Periyar	Kerala	1976	Asia's first arch dam; a major source of power in Kerala
Hirakud	Mahanadi	Odisha	1957	One of the oldest multipurpose projects in India
Tala	Wangchu	Bhutan (India-assisted)	2007	Part of India's energy cooperation with Bhutan
Baglihar	Chenab	Jammu & Kashmir	2008 (Stage I), 2015 (Stage II)	Provides power to the northern grid

READ IN DETAIL ABOUT THE PROJECT HERE

Subansiri Hydro Project

ALSO READ ABOUT

MAJOR RIVERS OF INDIA

Source:

ETVBHARAT

PRACTICE QUESTION

Q.The Subansiri River, a tributary of the Brahmaputra, flows through which of the following regions?

Lhuntse County in Tibet
Shannan Prefecture in China
Arunachal Pradesh and Assam in India
Sikkim and West Bengal in India

Select the correct answer using the code given below:

(a) 1, 2, and 3 only

(b) 1, 3, and 4 only

(d) 1, 2, 3 and 4

Answer: a

Explanation:

The Subansiri (Chayul Chu in Tibet) is a trans-Himalayan river and a tributary of the Brahmaputra River that flows through Tibet's Lhuntse County in the Shannan Prefecture in Southwestern China, and the Indian states of Arunachal Pradesh and Assam.