Dibang Project Starts Work on Huge Tunnels to Tap Water Potential

Arunachal Pradesh: The Dibang Multipurpose Project (MPP), a 2880 MW hydroelectric project in Arunachal Pradesh, has started the work on its diversion tunnels on 4th December 2023. The project aims to divert the water of the Dibang River through five tunnels of 12 m diameter and 6 construction sluices in the dam body. The diversion system will have a total flood-carrying capacity of about 12760 cumec.

tram of Dibang The diversion tunnels are part of the Lot 2 civil works package, which was awarded to Larsen & Toubro (L&T) on 27th February 2023 for Rs 1622.13 crore. The package also includes hydromechanical works and has a scheduled completion time of 36 months. The diversion tunnels alone have a value of Rs 992.79 crore.

The Dibang MPP is the largest hydroelectric project in India and is expected to generate 11223 million units of energy annually. NHPC Limited, a public sector undertaking under the Ministry of Power, is executing the project. The project has faced several delays and controversies due to environmental and social issues.

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