A large-scale storage hydropower development opportunity located in a hydrologically rich South Asian river basin. The project is a fully engineered, high-head scheme designed for long-term baseload renewable energy generation with strong regional export potential.

Project Overview

The project is a storage-based hydropower scheme featuring a major RCC dam and a large reservoir system providing significant active storage capacity. The design enables multi-season regulation and optimized generation during peak demand periods.

• Installed Capacity: 417 MW
• Turbine Configuration: 4 × 104.25 MW vertical-axis Pelton units
• Design Net Head: ~610 m
• Design Discharge: 78.4 m³/s
• Project Type: Storage Hydropower (High Head)
• Status: Ready to Build Project

Dam & Reservoir

A major curved gravity RCC dam forms a large reservoir system with substantial storage enabling seasonal regulation.

• Dam Height: 248 m
• Reservoir Total Storage: 474 million m³
• Live Storage: 350 million m³
• Spillway: Ogee, non-gated overflow designed for extreme flood handling up to PMF conditions
• Flood Handling: Designed for extreme hydrological scenarios including PMF-level inflows

Waterway System

The project features a highly engineered hydraulic layout designed for high-head energy transfer:

• ~8.2 km concrete-lined headrace tunnel (horse-shoe profile)
• Surge shaft system (165 m high, 16 m diameter)
• Multi-section steel-lined pressure shafts and drop shafts
• Underground powerhouse and transformer caverns
• Fully optimized high-pressure conveyance system for efficiency and stability

Powerhouse

• Underground powerhouse complex
• Pelton turbine configuration optimized for high-head operation
• Robust geological setting with sandstone host rock conditions

Transmission & Grid Integration

• ~112 km high-voltage transmission line
• 400 kV double-circuit design
• Direct interconnection to a major regional substation hub

Energy Output

• Annual Generation: ~1,280 GWh
• Firm Energy: ~672 GWh
• Secondary Energy: ~608 GWh
• Strong seasonal load balancing and export capability

Estimated Project Cost (OPCC)

• Total CAPEX: ~USD 1.3 – 1.4 billion (depending on transmission scope)
• Fully itemized civil, electro-mechanical, hydro-mechanical, and infrastructure components included

Key Investment Highlights

• Large-scale storage hydropower asset with high head efficiency
• Long-life infrastructure with underground powerhouse design
• Strong geological and hydrological resource base
• High flexibility for peak load and export markets