Itanagar, Apr 2: The NHPC Ltd has achieved a significant milestone with the commencement of wet commissioning of Unit-4 (250 MW) of the 2000 MW Subansiri Lower Hydroelectric Project, marking the commencement of commissioning of the fourth unit of the country’s largest hydropower project.
The milestone was marked by the successful mechanical run of the unit, signalling the transition from construction to generation.
On the occasion, NHPC Chairman and Managing Director (CMD) Bhupender Gupta expressed gratitude to the Ministry of Power, Government of India, the Governments of Arunachal Pradesh and Assam, former NHPC leadership, the Subansiri Project team, executing agencies, and all stakeholders. He described the achievement as a testament to NHPC’s engineering excellence and a significant step towards India’s clean, green, and self-reliant energy vision.
He also lauded the Subansiri team led by Executive Director and Head of Project Rajendra Prasad, urging continued commitment for timely commissioning of the remaining units.
With the wet commissioning of Unit-4, the process for synchronization with the national grid has begun. The remaining four units of 250 MW each will be commissioned in phases.
Upon completion, the 2000 MW (8×250 MW) Subansiri Lower Hydroelectric Project will be the largest hydropower project in India.
Arunachal Pradesh Chief Minister Pema Khandu termed the development a “proud milestone” in the nation’s energy journey. He said the successful mechanical run reflects precision, perseverance, and world-class engineering by NHPC.
Khandu appreciated CMD Bhupender Gupta for his leadership and commended the project team for their dedication in executing the complex venture. He added that the project’s progress towards grid synchronization and phased commissioning will further strengthen India’s push for sustainable, reliable, and self-reliant energy.