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Recently the Subansiri Upper Hydroelectric Project highlights significant protests and opposition against in Arunachal Pradesh. 
 
About Subansiri Upper Hydroelectric Project

• The Subansiri Upper Hydroelectric Project is a major run-of-the-river hydropower project on the Subansiri River in Arunachal Pradesh.
• It has a planned capacity of 1,800 MW, with an expected commercial operation date around 2031. The project is developed by KSK Energy Ventures and aims to generate about 6,581.29 GWh of electricity annually.
• The project involves a gross head of 199.5 meters and is set to cost approximately $2.35 billion.

About Subansiri River

• The Subansiri River, a major tributary of the Brahmaputra, originates from the Tibetan Himalaya and is also known as the "Gold River" due to gold dust in its waters.
• It enters into the plains of Assam through a gorge near Gerukamukh. 
• The river is the right-bank tributary of the Brahmaputra. It joins the Brahmaputra River in the Lakhimpur district of Assam.
• Flows through Assam, Arunachal Pradesh, and the Tibet Autonomous Region of China.
• Major tributaries of the river are Laro, Nye, Yume, Tsari, Kamla, Jiyadhol, Ranganadi and Dikrong.

The project is a part of India's effort to increase renewable energy capacity and regional development while providing clean energy and economic benefits.

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