India plans mega dam in Arunachal Pradesh, with eye on China’s hydropower station in Tibet - The Straits Times

India plans mega dam in Arunachal Pradesh, with eye on China’s hydropower station in Tibet - The Straits Times

Published December 14, 2025

India to Construct Major Dam in Arunachal Pradesh, Aiming to Counter China's Hydropower Development in Tibet

India has announced plans to construct a significant dam in Arunachal Pradesh, a move that is seen as a strategic response to China's ongoing hydropower projects in Tibet. The proposed dam, which is expected to have a capacity of 3,000 megawatts (MW), is part of India's broader initiative to enhance its energy security and boost its renewable energy generation capabilities.

The Indian government has allocated approximately ₹28,000 crore (around $3.4 billion) for the construction of the dam, which will be located on the Siang River, a major tributary of the Brahmaputra River. This ambitious project is expected to not only generate substantial amounts of hydroelectric power but also contribute to flood control and irrigation in the region.

Officials from the Ministry of Power have stated that the dam will be instrumental in meeting the growing energy demands of the northeastern states of India. The region has been identified as a key area for renewable energy development, given its abundant natural resources and potential for hydroelectric power generation.

The Siang River, which originates in Tibet, has been the focus of attention due to China's construction of the Zangmu Dam. This facility, which is already operational, has raised concerns in India regarding its potential impact on the flow of the Brahmaputra River and the water security of the northeastern states. India’s planned dam is viewed as a necessary measure to mitigate these concerns and ensure a reliable water supply for its own needs.

In addition to addressing energy needs, the dam is expected to provide significant economic benefits to the local population. The construction phase will create thousands of jobs, and once operational, the dam will support various local industries through reliable power supply and improved infrastructure.

Environmental considerations are also a critical aspect of the project. The Indian government has assured that the dam will be constructed with strict adherence to environmental regulations and sustainability practices. Efforts will be made to minimize the ecological impact and preserve the biodiversity of the region, which is known for its rich flora and fauna.

The announcement of the dam project aligns with India's broader energy strategy, which aims to achieve 500 GW of renewable energy capacity by 2030. Hydropower plays a crucial role in this strategy, as it provides a stable and renewable source of energy that can complement other forms of renewable energy, such as solar and wind.

India's focus on hydropower is also driven by the need to reduce its dependence on fossil fuels and lower greenhouse gas emissions. The construction of the Arunachal Pradesh dam is expected to significantly contribute to India's efforts to combat climate change and transition towards a more sustainable energy future.

In the context of regional geopolitics, the dam project is also a reflection of India's desire to assert its influence in the northeastern region and counter China's growing presence in Tibet. The strategic location of Arunachal Pradesh, which shares a border with China, makes it a focal point for India's national security and energy strategy.

The Indian government has emphasized that the dam project will be developed in consultation with local communities and stakeholders. Engaging with the local population is crucial to ensure that their concerns are addressed and that they benefit from the project. This approach aims to foster goodwill and cooperation, which are essential for the long-term success of the initiative.

As the project moves forward, the Indian government will also seek to collaborate with international partners and experts in hydropower technology to ensure the implementation of best practices. This collaboration is expected to enhance the efficiency and sustainability of the dam, making it a model for future hydropower projects in the country.

In conclusion, the planned mega dam in Arunachal Pradesh represents a significant step for India in its pursuit of energy security, economic development, and environmental sustainability. As the country navigates the challenges posed by China's hydropower developments, this project will play a critical role in ensuring that India can meet its energy needs while safeguarding its water resources and regional interests.

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