Source: The post is based on the article “Subansiri Lower Hydroelectric Project: How ignored landslide warnings led to Subansiri running dry” published in “Indian Express” on 10th November 2023
Why in the News?
The Subansiri Lower Hydroelectric Project has experienced a setback due to a landslide that blocked the only operational diversion tunnel. This obstruction halted the flow of water downstream, impacting the Subansiri River.
What is the Subansiri Lower Hydroelectric Project?
| Specifications | Details |
| What is it | It is an under construction gravity dam on the Subansiri River Note: A gravity dam is a dam constructed from concrete or stone-masonry. It is designed to hold back water by using only the weight of the material to resist the horizontal pressure of water pushing against it. |
| Located in | Arunachal Pradesh and Assam |
| Executed by | National Hydroelectric Power Corporation (NHPC) |
| Significance | Once completed, it will be the largest hydroelectric project in India |
Where is the Subansiri River?
| Specifications | Details |
| Tributary of | Brahmaputra |
| Originates in | Tibet Plateau and enters India through Miri hills in Arunachal Pradesh. |
| Known as | Gold River |
| Passes through which Indian states | Arunachal Pradesh and Assam |
| Significance | It is the largest tributary of Brahmaputra River. |
UPSC Syllabus: Geography in News
