China Builds World’s Most Powerful Himalayan Dam, Secrecy Fuels Alarm

 

China is pressing ahead with plans for what would become the world’s most powerful hydropower system, carving it deep into the Himalayas along Tibet’s Yarlung Tsangpo river — a project of staggering scale, ambition, and geopolitical consequence that remains largely hidden from public view.

 

Costing an estimated $168 billion, the project is designed to generate more electricity than any hydropower system on Earth. Engineers plan to exploit a dramatic 2,000-metre drop in elevation by blasting tunnels through mountains and diverting parts of the river through underground power stations — an unprecedented feat of engineering in one of the planet’s most remote and fragile regions.

 

Chinese leader Xi Jinping personally ordered the project to be advanced “forcefully, systematically, and effectively” during a rare visit to Tibet this year, underscoring its political and strategic importance. Beijing frames the dam as central to China’s clean-energy push, helping the world’s largest carbon emitter reduce reliance on coal as electric vehicles and energy-hungry AI systems drive demand.

 

But experts warn the project carries extraordinary risks. The Yarlung Tsangpo flows downstream into India and Bangladesh, where tens of millions rely on it for farming, fishing, and drinking water. Scientists say the ecological impact on one of Asia’s last pristine river systems remains poorly studied, raising fears of long-term environmental damage.

 

In India, media outlets have branded the project a potential “water bomb,” warning it could give Beijing strategic leverage in a region already marked by unresolved border disputes between two nuclear-armed rivals. Analysts also say the dam fits a broader pattern of Chinese infrastructure expansion aimed at consolidating control over Tibet and sensitive frontier regions.

 

“This is the most sophisticated hydropower system ever conceived — and possibly the most dangerous,” said Brian Eyler of the Stimson Center.

China rejects such concerns, insisting the project has undergone decades of research and includes safeguards for downstream countries. Yet the lack of transparency has only deepened suspicion, turning a clean-energy megaproject into a potential flashpoint in Asian geopolitics.

Key Takeaways

• China is building a $168bn hydropower system in Tibet that would be the largest in the world.

• India and Bangladesh fear environmental and security risks, with limited transparency from Beijing.

• Analysts say the project may also serve strategic and border-control objectives, not just climate goals.

 

Source: CNN

 

One of the most geologically unstable regions on earth, prone to earthquakes, landslides, glacial lake outbursts, and seismic instability generated by reservoirs themselves. 

And what is it going to flood? How long till silt-up?