Key Takeaways
- NHPC will commence commercial operation of the second unit at the Subansiri Lower Hydroelectric Project.
- The project, with a total capacity of 2,000 MW, is being built at an estimated cost of Rs 27,000 crore.
- This is India’s largest hydroelectric project, utilizing a run-of-river system on the Subansiri River.
Project Overview
State-owned NHPC is set to launch the commercial operation of the second unit of the Subansiri Lower Hydroelectric Project on December 23, 2025. This project, located near North Lakhimpur at the Arunachal Pradesh-Assam border, has a planned capacity of 2,000 megawatts (MW) and is being developed at an estimated cost of Rs 27,000 crore.
The Subansiri Lower Hydroelectric Project comprises eight units, each with a capacity of 250 MW, marking it as the largest hydroelectric initiative in India to date. This project operates as a run-of-river system, incorporating water storage along the Subansiri River. Its development is under the auspices of the Ministry of Power, reflecting the government’s commitment to enhance renewable energy sources and boost the country’s power infrastructure.
In a formal announcement, NHPC confirmed the start of commercial operations for the second unit, reinforcing its role in India’s transition to cleaner energy solutions. This strategic project aims to provide substantial electricity supply while minimizing environmental impact, aligning with global sustainability goals.
The successful implementation of the Subansiri Lower Hydroelectric Project is anticipated to not only aid in meeting the growing power demands of the region but also play a crucial role in stabilizing the energy grid in northeastern India. As the project progresses, it is expected to yield significant economic benefits, support local job creation, and foster infrastructure development in surrounding areas.
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