The hydro power project at Siang will alone generate between 10,000 and 12,000 MW, making it the largest hydroelectric dam in the Indian Subcontinent.
[2] In 2006, Indian media reported that the NHPC was planning to relocate and scale down the project due to concerns on flooding upstream by Chinese government.
The state government of Arunachal Pradesh signed deals with various Indian power companies to develop hydro projects.
A total of 42 schemes are planned to generate electricity in excess of 27,000 MW with the Upper Siang project being one of them.
[5] However, the Ministry remarked that though the projects will not be cancelled, necessary precautions will be undertaken to ensure minimal environmental impact.