Dorjilung Hydroelectric Power Project
Why in news?
Druk Green Power Corporation (DGPC) and Tata Power signed commercial agreements in November 2025 for the project's implementation through a special purpose vehicle (SPV), with DGPC holding 60% equity and Tata Power 40%.
About
- Capacity: 1,125 MW (six 187.5 MW Francis turbines).
- Annual Generation: Approximately 4.5 TWh (4,517 GWh).
- Location: Kurichhu River, Lhuentse and Mongar districts, eastern Bhutan.
- Dam Height: 139.5 meters (concrete-gravity type).
- Headrace Tunnel: 15 km long, 11 meters diameter.
- Design Discharge: 287 m³/s.
- Total Cost: ₹13,100 crore (Nu 145-150 billion, ~$1.7 billion).
- Ownership: Druk Green Power Corporation (DGPC) 60%, Tata Power 40%.
- Timeline: Preparatory works started 2025; commissioning targeted for 2031-2032.
- Power Allocation: 80% export to India.
Strategic Importance
This initiative strengthens India-Bhutan clean energy ties, with 80% of power exporting to India for renewable supply and regional security. It aligns with Bhutan's hydropower focus and India's demand for stable green energy.
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