417MWp Storage Hydro Power Plant Hydroelectric Project

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.

• 417 MW
• 4 × 104.25 MW vertical-axis Pelton units
• ~610 m
• 78.4 m³/s
• 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.

1. 01
   Dam Height248 m
2. 02
   Reservoir Total Storage474 million m³
3. 03
   Live Storage350 million m³
4. 04
   SpillwayOgee, non-gated overflow designed for extreme flood handling up to PMF conditions
5. 05
   Flood HandlingDesigned 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

• ~1,280 GWh
• ~672 GWh
• ~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

Parameter / Metric	Conservative Scenario ($65/MWh)	Base Scenario ($75/MWh)	Optimistic Scenario ($85/MWh)
Annual Generation	1,280,000 MWh	1,280,000 MWh	1,280,000 MWh
Estimated Gross Revenue	~$83,200,000 USD	~$96,000,000 USD	~$108,800,000 USD
Estimated OPEX(O&M, Admin, Insurance)	~$10,000,000 USD	~$12,000,000 USD	~$13,000,000 USD
Estimated EBITDA	~$73,200,000 USD	~$84,000,000 USD	~$95,800,000 USD
EBITDA Margin	~88%	~87.5%	~88%