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News: The Expert Appraisal Committee recommended environmental clearance for SUHEP, subject to Stage-1 forest clearance and concerns over tree felling.
About Subansiri Upper Hydroelectric Project (SUHEP)
- SUHEP is a run-of-the-river hydropower project planned on the Subansiri River basin.
- Location: The project is planned near Menga, 20 km from Daporijo in Arunachal Pradesh’s Upper Subansiri district.
- Objectives: Power generation and flood moderation are the stated objectives.
- Developer: National Hydroelectric Power Corporation Limited (NHPC)
- Key Features:
- Capacity: The project has a planned capacity of 1,605 MW.
- Dam: It envisages a 237-metre-high storage dam from the deepest foundation level of the Subansiri River.
- Reservoir: The reservoir will have a surface area of 22.2 sq km and a length of around 50 km at full reservoir level.
About Subansiri River
- Origin: The Subansiri River originates in the Tibetan Plateau from the confluence of – Lokong Chu, Chayal Chu and Tsari Chu rivers.
- Type: It is a trans-Himalayan and antecedent river that existed before the rise of the Himalayas and continued its course through the mountains.
- Course: It flows through Tibet and Arunachal Pradesh before entering Assam.
- In Assam, it passes near Majuli and merges with the Brahmaputra River at Jamurighat.
- Tributary of: It is a right-bank tributary of the Brahmaputra River
- Length: Its total length is approximately 442 km.
- Major Tributaries: Its major tributaries include Laro, Nye, Yume, Tsari, Kamla, Jiyadhol, Ranganadi and Dikrong.
