NHPC to commission 3 units of Subansiri Lower HE Project in June

27 May 2025 Evaluate

NHPC is eyeing to start the process of commissioning 3 units (250 MW each) of the Subansiri Lower HE Project in June 2025. The company is waiting for approval from the National Dam Safety Authority (NDSA). The remaining 5 units of 250 MW each are expected to be completed by May 2026 in a phased manner. 

The company is in the process of constructing the 2,000 Mega Watt (MW) Subansiri Lower Hydroelectric Project. It is the largest hydroelectric project ever undertaken in India and is a run-of-river project with water storage on the Subansiri River. It is located near North Lakhimpur on the border of Arunachal Pradesh and Assam. The nearest railhead is Nagaon, and the nearest airport is Lilabari/Dibrugarh. The estimated annual energy generation from the project in a 90 per cent reliable year is 7,421.59 MU.

NHPC is engaged in electric power generation by hydroelectric power plants. The company is also engaged in contracts, project management and consultancy work.


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