Subansiri Lower: the 2000 MW NHPC project on the Arunachal-Assam border, with remaining units planned in phases till December 2026
Background
The Subansiri Lower Hydroelectric Project (HEP), located on the Subansiri River at the border of Arunachal Pradesh and Assam, has a total installed capacity of 2000 MW (eight units of 250 MW each). It is being implemented by NHPC Limited. As per the reply of 16 March 2026, two units had been commissioned, with the remaining units planned in a phased manner till Dec'26. On completion it is expected to generate about 7,422 million Units a year, with flood moderation benefits in the Brahmaputra Valley. About 7,000 local workers were employed during construction. Minister of State Shripad Naik gave the information in a written reply in the Rajya Sabha.
Installed capacity:
2000 MW
Units:
eight of 250 MW each
Annual generation:
about 7,422 million Units
Remaining units due:
till Dec'26
Why it matters for exams: Subansiri Lower, a 2000 MW NHPC project on the Arunachal Pradesh-Assam border, is a frequent static and current-affairs link for hydropower and Brahmaputra Valley questions.
Kerala PSCUPSCSSC