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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.

Delayed
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.

Citation quality snapshot
Source mix
2 sources · Government
Verification freshness
Fresh

Source-linked record. Review the linked sources before relying on a claim.

Last source review was 46 days ago; still inspect linked sources before relying on any material claim.

Claim coverage check
Cost / funding
Review needed

Cost, funding or spend claims are visible; add/label an official budget, sanction, tender, award, DPR or financial update source.

Schedule / timeline
Review needed

Timeline and target-date claims are visible; add/label a source that specifically supports the first target, current target or revised completion claim.

Current status
Covered

At least one source label or source type appears to support the current project status or update claim.

Linked source labels: PIB: Subansiri Lower HEP update