Run-of-River Hydro Excellence in the Himalayas

India’s Largest Private Hydro Power

Commissioned in 2011, Karcham Wangtoo is India’s largest private hydro plant. With 1,091 MW capacity, run-of-river design, underground infrastructure, and robust sediment management, it delivers 4,560 GWh annually under long-term PPAs, ensuring clean, reliable power.
Ownership & Location
Operator

JSW Energy

Location

Kinnaur district, Himachal Pradesh

River Basin

Sutlej River

Plant Configuration and Capacity

Total Installed Capacity

1,091 MW*

Annual Power Generation

4,560 MUs*

Total Net Power Generated

4,551 MUs*

Power Sales

Long-term PPA with PTC India (supplied to Northern Region States)

Key Highlights

Sustainability and Environmental Responsibility
Strategic Approach

Responsible Hydro Operations

Run-of-river hydro with underground powerhouse, generating 4,560 GWh annually while preserving biodiversity and water quality.

Water Stewardship for Energy Security

Efficient water management through tunnels, penstocks & surge shafts powers our energy capacity while preserving downstream flows.

Hydro Power with Ecological Care

Karcham Wangtoo captures Sutlej’s energy naturally, minimising ecological disruption while maintaining river health.

Innovative Hydro Engineering Solutions

State-of-the-art tunnels, surge shafts, and de-silting chambers ensure efficient hydro power generation with lasting reliability.

Strategic Placement, Efficient Energy

Strategic Sutlej location, underground powerhouse, and efficient dam design drive sustainable hydroelectric generation.​

Ensuring Returns through Long-term PPA

Long-term PPAs with key DISCOMs ensure stable revenue, full cost recovery, and risk-mitigated power off-take.

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