Energy & Power · Commissioned
Subansiri Lower HEP — Spillway
Assam–Arunachal border · National Hydroelectric Corporation · 2024
₹2,980 CrContract value · 54 months
Project overview
Hydroelectric · Spillway · Mass concrete
The spillway, energy dissipation and intake works of a major Himalayan hydroelectric scheme — mass concrete placed at altitude through a short working season.
Spillway bays8 radial gates
Mass concrete1.4 m m³
Design flood37,500 cumec
Contract value₹2,980 Cr
Duration54 months
Scope of work
- Mass-concrete spillway and ogee crest
- Radial gates and hydro-mechanical works
- Stilling basin and energy dissipators
- Intake structure and approach channel
Related work
More in Energy & Power
CommissionedEnergyJodhpur, Rajasthan2024
Bhadla Solar Park — 250 MW
Renewable Energy Developer
250 MWTrackerEPC
₹1,150 CrView project →
Under constructionEnergyKutch, Gujarat2025
Kutch Coastal Wind Farm — 180 MW
Independent Power Producer
180 MWCoastalHeavy lift
₹1,480 CrView project →
CommissionedEnergyWardha, Maharashtra2023
765 kV Wardha GIS Substation
National Transmission Utility
765 kVGISGrid
₹890 CrView project →