SUBANSIRI LOWER HYDROELECTRIC PROJECT (Syllabus: GS Paper 1 – Geography)

Context: A Memorandum of Agreement (MoA) has been signed for the implementation of a comprehensive Fisheries Management Plan at the 2000 MW Subansiri Lower Hydro Electric Project (SLP) located in Assam.

Subansiri Lower Hydroelectric Project

• About: This is a gravity dam under construction on the Subansiri River, situated along the Assam-Arunachal Pradesh border.
• Location: Subansiri River in Arunachal Pradesh, India.
• The dam is nearly 90% complete and is expected to be commissioned in 2023.
• The dam has a power generation capacity of 2000 MW, making it the largest hydroelectric project in India.
• The dam is a run-of-river project, which means that it does not store water behind the dam.
• Developed by:  National Hydroelectric Power Corporation (NHPC) Limited.

Subansiri River

• About: The river's origin is in the Tibet Plateau, and it holds the distinction of being the primary and largest tributary that feeds into the Brahmaputra River.
• Gravity Dam: It is a substantial dam structure constructed using materials like concrete or stone masonry.