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Arunachal Pradesh presses ahead with dam projects despite push back, ecological concerns
Scroll | October 18, 2025 2:39 PM CST

A 2,200 megawatt hydropower project was cleared to come up in the Upper Subansiri district of Arunachal Pradesh, signalling the state government’s intent to rapidly expand hydropower generation within its borders. The Oju Hydroelectric Power Project is the latest of several large dams proposed to boost the state government’s hydropower profile.

The Oju Hydroelectric Power Project was cleared by the centrally-appointed Expert Appraisal Committee on September 12, on the condition that the Navayuga Engineering group – the project developer – integrate simulations of glacial lake outburst flood scenarios into its design.

“The Committee advised that a real-time monitoring and early warning system (EWS) shall be established in coordination with State Disaster Management Authority (SDMA) and local administration, along with community awareness and mock drills for preparedness,” the Expert Appraisal Committee said, in light of growing glacial lakes in the region.

The Oju Hydroelectric Power Project is the second major dam to secure clearance in the Subansiri river basin. The Subansiri Lower Dam, a 2000 MW run-of-the-river project (harnessing the natural flow of a river) further downstream, was awarded clearance in 2003, but faced widespread opposition from local communities and activists about the negative impacts from 2010 to 2019.

“When the Subansiri Lower Dam was being cleared, one of the conditions was that...

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