CentralHydropowerUnder ConstructionDelayed
Subansiri Lower Hydroelectric Project
A 2,000 MW hydropower project on the Subansiri River, delayed for years by protests and technical/environmental review issues.
Estimated cost
₹21,247 cr
Reported spend
Not available
Announced
1 Sept 2003
Last verified
1 May 2026
Schedule check
Compared with the first announced target
The project crossed its original commissioning window after years of work stoppage and downstream-safety concerns.
First target
Dec 2012
Current target
Dec 2026
Revised target
Not listed
Public relevance
North East power consumers and the national grid through 2,000 MW of planned hydropower capacity.
Timeline
2 events
1 Jan 2005
Construction phase began
Major civil works started after project sanction.
31 Dec 2026
Revised commissioning watch
Commissioning is tracked against the latest mid-2020s public implementation window.
Risk notes
- History of prolonged construction stoppage
- Downstream safety, hydrology and local acceptance remain sensitive
Official/public sources
Use these links to inspect the underlying public sources for project details and updates.