NHPC Director Conducts Detailed Inspection of Subansiri Lower Hydro Electric Project
In a significant move to expedite the commissioning of India's largest hydroelectric power project, Sanjay Kumar Singh, the director (projects) of NHPC Limited, visited the 2000MW Subansiri Lower Hydro Electric Project (SLHEP) on Wednesday. The project is located on the Assam-Arunachal Pradesh border near Gerukamukh in Dhemaji district, marking a crucial step in advancing the nation's renewable energy infrastructure.
Focus on Commissioning and Construction Progress
During his day-long visit, Singh was welcomed by Rajendra Prasad, the executive director and head of the Subansiri Lower Project, along with other senior NHPC officials. The director undertook a comprehensive inspection of all ongoing civil and electro-mechanical works at the power house. His review placed particular emphasis on the preparedness for commissioning Unit 1 and Unit 4, which are critical milestones in the project's timeline.
Additionally, Singh assessed the progress of Units 5 to 8, which are currently in various stages of construction and installation. This thorough evaluation underscores NHPC's commitment to ensuring timely completion and operational efficiency across all phases of the project.
Project Timeline and Economic Impact
The eight-unit Subansiri Lower Hydro Electric Project is scheduled to become fully operational in a phased manner, with full completion projected by May 2026. The total estimated cost for this massive endeavor is around Rs 26,075 crore, reflecting a substantial investment in India's energy sector.
Once fully commissioned, SLHEP will stand as India's largest hydroelectric power station, significantly boosting the country's renewable energy capacity and contributing to sustainable development goals. This project is poised to enhance power supply in the region and support economic growth through reliable electricity generation.
The visit by NHPC's director highlights the strategic importance of the Subansiri Lower Project in meeting India's growing energy demands while promoting environmental sustainability through hydroelectric power.



